SanDisk CompactFlash Extreme III User Manual

SanDisk CompactFlash Memory Card

OEM Product Manual

Version 12.0

Document No. 20-10-00038

02/2007

SanDisk Corporation

Corporate Headquarters

601 McCarthy Boulevard

Milpitas, CA 95035

(408) 801-1000 Phone

(408) 801-8657 Fax

www.sandisk.com

SanDisk CompactFlash Card OEM Product Manual

SanDisk® Corporation general policy does not recommend the use of its products in life support applications where in a failure

or malfunction of the product may directly threaten life or injury. Per SanDisk Terms and Conditions of Sale, the user of SanDisk

products in life support applications assumes all risk of such use and indemnifies SanDisk against all damages. Security

safeguards, by their nature, are capable of circumvention. SanDisk cannot, and does not, guarantee that data will not be

accessed by unauthorized persons, and SanDisk disclaims any warranties to that effect to the fullest extent permitted by law.

This document is for information use only and is subject to change without prior notice. SanDisk Corporation assumes no

responsibility for any errors that may appear in this document, nor for incidental or consequential damages resulting from the

furnishing, performance or use of this material. No part of this document may be reproduced, transmitted, transcribed, stored in

a retrievable manner or translated into any language or computer language, in any form or by any means, electronic,

mechanical, magnetic, optical, chemical, manual or otherwise, without the prior written consent of an officer of SanDisk

Corporation.

All parts of the SanDisk documentation are protected by copyright law and all rights are reserved.

SanDisk and the SanDisk logo are trademarks of SanDisk Corporation, registered in the United States and other countries.

CompactFlash is a U.S. registered trademark of SanDisk Corporation.

Product names mentioned herein are for identification purposes only and may be trademarks and/or registered trademarks of

their respective companies.

SanDisk products are covered or licensed under one or more of the following U.S. Patent Nos. 5,070,032; 5,095,344; 5,168,465;

5,172,338; 5,198,380; 5,200,959; 5,268,318; 5,268,870; 5,272,669; 5,418,752; 5,602,987. Other U.S. and foreign patents

awarded and pending.

Document 20-10-00038 Rev. 12.0

Revision History

Date

Revision

Description

February 2007

12.0

Merged CFlash 11.2 manual with CF ExtremeIII

v1.2 to create v12.0; updated to comply with CFA

Spec v4.0.

Rev. 12.0, 02/07

SanDisk CompactFlash Card OEM Product Manual

–This page intentionally left blank–

02/07, Rev. 12.0

Table of Contents

CHAPTER 1

Introduction . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

General Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-1

Features . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

Scope . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

CompactFlash Standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-2

PCMCIA Standard . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Related Documentation . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

Functional Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 1-3

CHAPTER 2

Product Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

System Environmental Specifications . . . . . . . . . . . . . . . . . . . . . . . . 2-1

System Power Requirements . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-1

System Performance . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-3

System Reliability. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

Physical Specifications . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 2-4

CHAPTER 3

Interface Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Physical Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-1

Electrical Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-3

Electrical Specification . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-8

Card Configuration . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-20

I/O Transfer Function . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 3-25

True IDE Mode I/O Transfer Function . . . . . . . . . . . . . . . . . . . . . . . 3-26

CHAPTER 4

ATA Register Set and Protocol . . . . . . . . . . . . . . . . . . . . . . . . 4-1

I/O Primary and Secondary Address Configurations . . . . . . . . . . . . 4-1

Contiguous I/O Mapped Addressing . . . . . . . . . . . . . . . . . . . . . . . . . 4-2

Rev. 12.0, 02/07

Table of Contents

SanDisk CompactFlash Card OEM Product Manual

Memory Mapped Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-3

True IDE Mode Addressing . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

ATA Registers . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .4-4

CHAPTER 5

ATA Command Description . . . . . . . . . . . . . . . . . . . . . . . . . . 5-1

ATA Command Set. . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-1

Error Posting . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . .5-29

CHAPTER 6

APPENDIX A

APPENDIX B

APPENDIX C

CIS Description . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . 6-1

Ordering Information . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . A-1

Limited Warranty . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . B-1

Disclaimer of Liability . . . . . . . . . . . . . . . . . . . . . . . . . . . . . . C-1

02/07, Rev. 12.0

CHAPTER 1

Introduction

1.1

General Description

SanDisk CompactFlash® Memory Card products provide high capacity solid-state flash

memory that electrically complies with the Personal Computer Memory Card International

Association ATA (PC Card ATA) standard. (In Japan, the applicable standards group is

JEIDA.) The CompactFlash Memory Card Series also supports a True IDE Mode that is

electrically compatible with an IDE disk drive. The original CF form factor card can be used in

any system that has a CF slot, and with a Type II PCMCIA adapter can be used in any system

that has a PCMCIA Type II or Type III socket.

CompactFlash Memory cards use SanDisk Flash memory, which was designed by SanDisk

specifically for use in mass storage applications. In addition to the mass storage-specific flash

memory chips, CompactFlash Memory cards include an on-card intelligent controller that

provides a high level interface to the host computer. This interface allows a host computer to

issue commands to the memory card to read or write blocks of memory. The host addresses the

card in 512 byte sectors. Each sector is protected by a powerful Error Correcting Code (ECC).

The on-card intelligent controller in the CompactFlash Memory Card manages interface

protocols, data storage and retrieval as well as ECC, defect handling and diagnostics, power

management and clock control. Once the card has been configured by the host, it appears to the

host as a standard ATA (IDE) disk drive. Additional ATA commands have been provided to

enhance system performance.

The host system can support as many cards as there are CompactFlash and PCMCIA Type II or

III card slots. The original form factor CompactFlash Memory cards require a PCMCIA Type

II Adapter to be used in a PCMCIA Type II or Type III socket.

Figure 1-1 SanDisk CompactFlash Card Block Diagram

SanDisk CompactFlash

Data In/Out

SanDisk

Host

Interface

Flash

Memory

Single Chip

Controller

Control

1-1

Rev. 12.0, 02/07

Introduction

SanDisk CompactFlash Card OEM Product Manual

1.2

Features

SanDisk CompactFlash Memory cards provide the following system features:

•

Up to 16 GB of mass storage data

PC Card ATA protocol compatible

True IDE Mode compatible

Very low CMOS power

Very high performance

Very rugged

Low weight

Noiseless

Low Profile

+5 Volts or +3.3 Volts operation

Automatic error correction and retry capabilities

Supports power down commands and sleep modes

Non-volatile storage (no battery required)

MTBF >1,000,000 hours

Minimum 10,000 insertions

1.3

1.4

Scope

This document describes the key features and specifications of CompactFlash Memory cards,

as well as the information required to interface this product to a host system. Retail

CompactFlash specifications are not covered in this manual.

CompactFlash Standard

SanDisk CompactFlash Memory cards are fully compatible with the CompactFlash

Specification published by the CompactFlash Association. Contact the CompactFlash

Association for more information.

CompactFlash Association

P.O. Box 51537

Palo Alto, CA 94303

USA

Phone: 415-843-1220

Fax: 415-493-1871

www.compactflash.org

02/07, Rev. 12.0

1-2

SanDisk CompactFlash Card OEM Product Manual

Introduction

1.5

PCMCIA Standard

SanDisk CompactFlash Memory cards are fully electrically compatible with the PCMCIA

specifications listed below:

•

PCMCIA PC Card Standard, 7.0, February 1999

PCMCIA PC Card ATA Specification, 7.0, February 1999

These specifications may be obtained from:

PCMCIA

2635 N. First Street, Suite 209

San Jose, CA 95131

USA

Phone: 408-433-2273

Fax: 408-433-9558

1.6

1.7

Related Documentation

ATA operation is governed by the ATA-4 specification published by ANSI. For more

information, refer to the American National Standard X3.221: AT Attachment for Interface for

Disk Drives document.

Documentation can be ordered from IHS by calling 1-800-854-7179 or accessing their Web

site: http://global.ihs.com.

Functional Description

CompactFlash Memory cards contain a high level, intelligent subsystem as shown in the block

diagram, Figure 1-1. This intelligent (microprocessor) subsystem provides many capabilities

not found in other types of memory cards. These capabilities include the following:

•

Standard ATA register and command set (same as found on most magnetic disk drives).

Host independence from details of erasing and programming flash memory.

Sophisticated system for managing defects (analogous to systems found in magnetic disk

drives).

•

Sophisticated system for error recovery including a powerful error correction code (ECC).

Power management for low power operation.

Implementation of dynamic and static wear-leveling to extend card’s life.

1-3

Rev. 12.0, 02/07

Introduction

SanDisk CompactFlash Card OEM Product Manual

1.7.1

Technology Independence

The 512-byte sector size of the CompactFlash Memory Card is the same as that in an IDE

magnetic disk drive. To write or read a sector (or multiple sectors), the host computer software

simply issues a Read or Write command to the card. This command contains the address and

the number of sectors to write/read. The host software then waits for the command to

complete.

The host software does not get involved in the details of how the flash memory is erased,

programmed or read. This is extremely important as flash devices are expected to get more and

more complex in the future. Because the CompactFlash Memory Card Series uses an

intelligent on-board controller, the host system software will not require changing as new flash

memory evolves. In other words, systems that support CompactFlash Memory cards now, will

be able to access future SanDisk cards built with new flash technology without having to

update or change host software.

1.7.2

Defect and Error Management

CompactFlash Memory cards contain a sophisticated defect and error management system.

This system is analogous to the systems found in magnetic disk drives and in many cases

offers enhancements. If necessary, the cards will rewrite data from a defective sector to a good

sector. This is completely transparent to the host and does not consume any user data space.

The CompactFlash Memory Card soft error rate specification is much better than the magnetic

disk drive specification. In the extremely rare case a read error does occur, CompactFlash

Memory cards have innovative algorithms to recover the data by using hardware on-the-fly

Error Detection Code/Error Correction Code (EDC/ECC), based on a BCH algorithm.

These defect and error management systems, coupled with the solid state construction, give

SanDisk CompactFlash cards unparalleled reliability

1.7.3

1.7.4

Wear Leveling

Wear Leveling is an intrinsic part of the erase pooling functionality of SanDisk CompactFlash

using NAND memory. The CF WEAR LEVEL command is supported as a NOP operation to

maintain backward compatibility with existing software utilities. Advanced features of

dynamic and static wear-leveling, and automatic block management are used to ensure high

data reliability and maximize flash life expectancy.

Using Erase Sector and Write Commands

SanDisk CompactFlash Memory cards support the CF ERASE SECTOR and WRITE

WITHOUT ERASE commands. In some applications, write operations may be faster if the

addresses being written are first erased with the ERASE SECTOR command. WRITE

WITHOUT ERASE behaves as a normal write command and no performance gain results

from its use.

02/07, Rev. 12.0

1-4

SanDisk CompactFlash Card OEM Product Manual

Introduction

1.7.5

Automatic Sleep Mode

A unique feature of the SanDisk CompactFlash Memory Card is automatic entrance and exit

from sleep mode. Upon completion of a command, the card will enter sleep mode to conserve

power if no further commands are received within 5 msec. The host does not have to take any

action for this to occur. In most systems, the CompactFlash Memory Card is in sleep mode

except when the host is accessing it, thus conserving power. The delay from command

completion to entering sleep mode is adjustable.

When the host is ready to access the card and is in sleep mode, any command issued to it will

cause the card to exit sleep and respond. The host does not have to follow the ATA protocol of

issuing a reset first. It may do this if desired, but it is not needed. By not issuing the reset,

performance is improved through the reduction of overhead but this must be done only for the

SanDisk products as other ATA products may not support this feature.

1.7.6

1.7.7

Dynamic Adjustment of Performance vs. Power Consumption

This feature is no longer supported. This command will be treated as a NOP (No Operation) to

guarantee backward compatibility.

Power Supply Requirements

This is a dual voltage product, which means it will operate at a voltage range of 3.30 volts ±

5% or 5.00 volts ± 10%. Per the PCMCIA specification Section 2.1.1, the host system must

apply 0 volts in order to change a voltage range. This same procedure of providing 0 volts to

the card is required if the host system applies an input voltage outside the desired voltage by

more than 15%. This means less than 4.25 volts for the 5.00-volt range and less than 2.75 volts

for the 3.30 volt range.

1-5

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Introduction

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02/07, Rev. 12.0

1-6

CHAPTER 2

Product Specifications

For all the following specifications, values are defined at ambient temperature and nominal

supply voltage unless otherwise stated.

2.1

System Environmental Specifications

Table 2-1 contains environmental specifications which include temperature, humidity, acoustic

noise, vibration, shock and altitude.

Table 2-1

Environmental Specifications

CompactFlash

CompactFlash Extreme III

Operating:

0° C to 70° C

-25° C to 85° C

Temperature

Humidity

Non-operating:

-25° C to 85° C

8% to 95% non-condensing

0 dB

Operating:

Non-operating:

At 1 meter:

8% to 95% non-condensing

0 dB

Acoustic Noise

Vibration

Operating:

15 G peak to peak maximum

2,000 G maximum

Non-operating:

Operating:

2,000 G maximum

Shock

Non-operating:

2,000 G maximum

Altitude

(relative to sea

level)

Operating:

80,000 ft. maximum

Non-operating:

2.2

System Power Requirements

All values quoted in Table 2-2 are typical at 25° C and nominal supply voltage unless otherwise

stated.

2-1

Rev. 12.0, 02/07

Product Specifications

SanDisk CompactFlash Card OEM Product Manual

Sleep mode currently is specified under the condition that all card inputs are static CMOS

levels and in a "Not Busy" operating state.

Table 2-2

Power Requirements

DC Input Voltage (Vcc)

100 mV max. ripple (p-p)

3.3V +/- 5%

5V +/- 10%

Memory Subsystem^a

CompactFlash Memory Card

Sleep

Up to 512 MB

300 µ

600 µ

500 µ

800 µ

1.0 GB

Over 1.0 GB

1 mA

1.2 mA

55 mA

70 mA

100 mA

Read

50 mA

65 mA

100 mA

Write

Read/Write Peak

Memory Subsystem^a

CompactFlash Extreme III Memory Card

Sleep

Up to 512 MB

512 MB to 1.5 GB

Over 1.5 GB

Read

300 µ

600 µ

500 µ

800 µ

1 mA

1.2 mA

100 mA

75 mA

100 mA

Write

Read/Write Peak

a. Maximum average value.

02/07, Rev. 12.0

2-2

SanDisk CompactFlash Card OEM Product Manual

Product Specifications

2.3

System Performance

All performance timings assume the CompactFlash Memory Card Series controller is in the

default (i.e., fastest) mode.

Table 2-3

Performance

CompactFlash Memory Card

Start-up Times

Sleep to Write

Sleep to Read

Reset to Ready

2.5 ms maximum

20 ms maximum

50 ms typical; 400 ms maximum

Programmable

Active to Sleep Delay

20.0 MB/sec burst

16.0 MB/sec burst

Data Transfer Rate To/From Flash

Data Transfer Rate To/From Host

Controller Overhead

Command to DRQ

50 ms maximum

CompactFlash Extreme III Memory Card

Start-up Times

Sleep to Write

Sleep to Read

Reset to Ready

2.5 ms maximum

20 ms maximum

50 ms typical; 400 ms maximum

20.0 MB/sec burst

Data Transfer Rate To/From Flash

Data Transfer Rate To/From Host

25.0 MB/sec burst

Maximum Performance

Sequential Read

20.0 MB/sec

Sequential Write

NOTE: The Sleep to Write and Sleep to Read times are the times it takes the

CompactFlash Memory Card to exit sleep mode when any command

is issued by the host to when the card is reading or writing.

CompactFlash Memory cards do not require a reset to exit sleep

mode.

2-3

Rev. 12.0, 02/07

Product Specifications

SanDisk CompactFlash Card OEM Product Manual

2.4

System Reliability

Table 2-4

Reliability

>1,000,000 hours

None

MTBF (@ 25 C)

Preventative Maintenance

Data Reliability

<1 non-recoverable error in 10¹⁴bits read

<1 erroneous correction in 10²⁰bits read

2.5

Physical Specifications

Refer to Table 2-5 and see Figure 2-1 for CompactFlash Memory Card physical specifications

and dimensions.

Table 2-5

CompactFlash Physical Dimensions

11.4 g (.40 oz) typical, 14.2 g (.50 oz) maximum

Weight

Length

Width

36.40 ± 0.15 mm (1.433 ± .006 in)

42.80 ± 0.10 mm (1.685 ± .004 in)

3.3 mm ± 0.10 mm (.130 ± .004 in) (Excluding Lip)

Thickness

02/07, Rev. 12.0

2-4

SanDisk CompactFlash Card OEM Product Manual

Product Specifications

Figure 2-1 CompactFlash Memory Card Dimensions

2-5

Rev. 12.0, 02/07

Product Specifications

SanDisk CompactFlash Card OEM Product Manual

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02/07, Rev. 12.0

2-6

CHAPTER 3

Interface Description

3.1

Physical Description

The host connects to SanDisk CompactFlash Memory cards using a standard 50-pin connector

consisting of two rows of 25 female contacts each on 50 mil (1.27 mm) centers.

3.1.1

Pin Assignments and Types

The signal/pin assignments are listed in Table 3-1. Low active signals have a "-" prefix. Pin

types are Input, Output or Input/Output. Sections 3.3.1 and 3.3.2 define the DC characteristics

for all input and output type structures..

Table 3-1

PC Card Memory Mode Pin Assignments

Signal

Name

Pin No.

Name

GND

D03

D04

D05

D06

D07

-CE1

A10

-OE

A09

A08

A07

VCC

A06

A05

A04

A03

A02

A01

A00

D00

D01

D02

Pin Type

I/O Type

Ground

I1Z,OZ3

I3U

Pin No.

Pin Type

I/O Type

Ground

I1Z,OZ3

I3U

–

-CD1

D11

I/O

D12

I/O

D13

I/O

D14

I/O

D15

-CE2

-VS1

I1Z

Ground

I3U

-IORD

-IOWR

-WE

I1Z

I3U

I1Z

I3U

I1Z

RDY/BSY

VCC

–

OT1

–

Power

I1Z

Power

I2Z

-CSEL

-VS2

I1Z

OPEN

I2Z

I1Z

RESET

-WAIT

-INPACK

-REG

BVD2

BVD1

D08

I1Z

OT1

I1Z

OT1

I1Z

I3U

I1Z

I/O

–

I1U,OT1

I1Z,OZ3

Ground

I/O

I1Z,OZ3

OT3

D09

D10

-CD2

Ground

GND

3-1

Rev. 12.0, 02/07

Interface Description

SanDisk CompactFlash Card OEM Product Manual

PC Card I/O Pin Assignments are contained in Table 3-2.

Table 3-2 PC Card I/O Mode Pin Assignments

Signal

Name

Signal

Name

Pin No.

Pin Type

I/O Type

Ground

I1Z,OZ3

I3U

Pin No.

Pin Type

I/O Type

Ground

I1Z,OZ3

I3U

GND

D03

D04

D05

D06

D07

-CE1

A10

–

-CD1

D11

I/O

D12

I/O

D13

I/O

D14

I/O

D15

-CE2

I1Z

-VS1

Ground

I3U

-OE

I3U

-IORD

-IOWR

-WE

A09

I1Z

I3U

A08

I1Z

I3U

A07

I1Z

-IREQ

VCC

–

OT1

VCC

A06

–

Power

I1Z

Power

I2Z

-CSEL

-VS2

A05

I1Z

OPEN

I2Z

A04

I1Z

RESET

-WAIT

-INPACK

-REG

-SPKR

-STSCHG

D08

A03

I1Z

OT1

A02

I1Z

OT1

A01

I1Z

I3U

A00

I1Z

I/O

–

I1U,OT1

I1Z,OZ3

Ground

D00

D01

D02

-IOIS16

-CD2

I/O

I1Z,OZ3

OT3

D09

D10

Ground

GND

True IDE Mode Pin Assigments are contained in Table 3-3.

Table 3-3

True IDE Mode Pin Assignments

No.

Signal

Name

GND

D03

D04

D05

D06

D07

-CS0

A10

Pin Type

I/O Type

Ground

I1Z,OZ3

I3Z

Pin No.

Pin Type

I/O Type

Ground

I1Z,OZ3

I3Z

–

I/O

-CD1

D11

I/O

D12

D13

D14

D15

-CS1

-VS1

I1Z

Ground

02/07, Rev. 12.0

3-2

SanDisk CompactFlash Card OEM Product Manual

Interface Description

Table 3-3

True IDE Mode Pin Assignments

No.

Signal

Name

Signal

Name

Pin Type

I/O Type

I3U

Pin No.

Pin Type

I/O Type

I3Z

-ATA SEL

A09

-IORD

-IOWR

-WE

I1Z

I3Z

A08

I1Z

I3U

A07

I1Z

INTRQ

VCC

–

OZ1

VCC

A06

–

Power

I1Z

Power

I2U

-CSEL

-VS2

A05

I1Z

OPEN

I2Z

A04

I1Z

RESET

IORDY

-DMARQ

-DMACK

-DASP

-PDIAG

D08

A03

I1Z

OT1

A02

I1Z

OZ1

A01

I1Z

I3U

A00

I1Z

I/O

–

I1U,ON1

I1Z,OZ3

Ground

D00

I/O

I1Z,OZ3

ON3

Ground

D01

D02

D09

-IOCS16

-CD2

D10

GND

3.2

Electrical Description

The CompactFlash Memory Card Series is optimized for operation with hosts, which support

the PCMCIA I/O interface standard conforming to the PC Card ATA specification. However,

the card may also be configured to operate in systems that support only the memory interface

standard. The CompactFlash card configuration is controlled using the standard PCMCIA

configuration registers starting at address 200h in the Attribute Memory space of the card.

Table 3-4 describes the I/O signals. Signals whose source is the host are designated as inputs

while signals that the card sources are outputs. SanDisk CompactFlash Memory Card logic

levels conform to those specified in Section 3.3 of the PCMCIA Release 2.1 Specification.

NOTE: The sleep-to-write and sleep-to-read times are the time it takes the

card to exit sleep mode when any command is issued by the host to

when the card is reading or writing. CompactFlash Memory cards do

not require a reset to exit sleep mode.

3-3

Rev. 12.0, 02/07

Interface Description

SanDisk CompactFlash Card OEM Product Manual

The SanDisk CompactFlash Memory Card signals are described in Table 3-4.

Table 3-4 Signal Description

Signal Name

Dir.

Description

A10-A0

8, 10, 11, 12, 14,

15, 16, 17, 18, 19,

These address lines, along with the -REG

signal, are used to select the following: I/O port

address registers within the card, memory-

mapped port address registers within the card,

a byte in the card's information structure and its

configuration control and status registers.

(PC Card Memory Mode)

(PC Card I/O Mode)

A2-A0

18, 19, 20

In True IDE Mode only A[2:0] is used to select

one of eight registers in the Task File.

(True IDE Mode)

A10-A3

In True IDE Mode these remaining address

lines should be grounded by the host.

(True IDE Mode)

BVD1

I/O

This signal is asserted high as the BVD1 signal

since a battery is not used with this product.

(PC Card Memory Mode)

-STSCHG

The Status Changed signal is asserted low to

alert the host to changes in the RDY/-BSY and

Write Protect states, while the I/O interface is

configured. Its use is controlled by the Card

Config. and Status Register.

(PC Card I/O Mode)

-PDIAG

In the True IDE Mode, this input/output is the

Pass Diagnostic signal in the master/slave

handshake protocol.

(True IDE Mode)

BVD2

I/O

This output line is always driven to a high state

in Memory Mode since a battery is not required

for this product.

(PC Card Memory Mode)

-SPKR

This output line is always driven to a high state

in I/O Mode since this product does not support

the audio function.

(PC Card I/O Mode)

-DASP

In the True IDE Mode, this input/output is the

Disk Active/Slave Present signal in the master/

slave handshake protocol.

(True IDE Mode)

-CD1, -CD2

26, 25

7, 32

These Card Detect pins are connected to

ground on the card. They are used by the host

to determine if the card is fully inserted into its

socket.

(PC Card Memory Mode)

(PC Card I/O Mode)

(True IDE Mode)

-CE1, -CE2

The Card Enable input signals are used both to

select the card and to indicate to the card

whether a byte or a word operation is being

performed. -CE2 always accesses the odd

byte of the word. -CE1 accesses the even byte

or the Odd byte of the word depending on A0

and -CE2. A multiplexing scheme based on

A0, -CE1, -CE2 allows 8 bit hosts to access all

data on D0-D7.

(PC Card Memory Mode)

(PC Card I/O Mode)

-CS0, -CS1

In True IDE Mode, -CS0 is the chip select for

the Task File registers while -CS1 is used to

select the Alternate Status Register and the

Device Control Register.

(True IDE Mode)

-CSEL

This signal is not used for PC Card Memory

Mode or PC Card I/O Mode.

(PC Card Memory Mode)

(PC Card I/O Mode)

02/07, Rev. 12.0

3-4

SanDisk CompactFlash Card OEM Product Manual

Interface Description

Table 3-4

Signal Description

Signal Name

Dir.

Description

-CSEL

This internally pulled up signal is used to

configure this device as a master or slave when

configured in the True IDE Mode. When this pin

is grounded, this device is configured as a

master. When the pin is open, this device is

configured as a slave.

(True IDE Mode)

D15-D00

I/O

31, 30, 29, 28, 27,

49, 48, 47, 6, 5, 4,

3, 2, 23, 22, 21

These lines carry the data, commands and

status information between the host and the

controller. D00 is the LSB of the Even Byte of

the word. D08 is the LSB of the Odd Byte of the

word.

(PC Card Memory Mode)

(PC Card I/O Mode)

D15-D00

In True IDE Mode, all Task File operations

occur in byte mode on the low order bus D00-

D07 while all data transfers are 16 bits using

D00-D15.

(True IDE Mode)

GND

1, 50

Ground.

(PC Card Memory Mode)

(PC Card I/O Mode)

(True IDE Mode)

-INPACK

This signal is not used in this mode.

(PC Card Memory Mode)

-INPACK

The Input Acknowledge signal is asserted by

the card when it is selected and responding to

an I/O read cycle at the address that is on the

address bus. This signal is used by the host to

control the enable of any input data buffers

between the card and the CPU.

(PC Card I/O Mode)

-DMARQ

This signal is used for DMA data transfers

between host and device and is asserted by the

device when it is ready to transfer data to or

from the host. The direction of data transfer is

controlled by DIOR- and DIOW-. This signal is

used in a handshake manner with DMACK-

(i.e., the device waits until the host asserts

DMACK- before negating DMARQ, and

reasserting DMARQ if there is more data to

transfer).

(True IDE Mode)

-IORD

This signal is not used in this mode.

(PC Card Memory Mode)

-IORD

This is an I/O read strobe generated by the

host. This signal gates I/O data onto the bus

from the card when the card is configured to

use the I/O interface.

(PC Card I/O Mode)

(True IDE Mode)

-IOWR

This signal is not used in this mode.

(PC Card Memory Mode)

3-5

Rev. 12.0, 02/07

Interface Description

SanDisk CompactFlash Card OEM Product Manual

Table 3-4

Signal Description

Signal Name

Dir.

Description

-IOWR

The I/O write strobe pulse is used to clock I/O

data on the Card Data bus into the card

controller registers when the card is configured

to use the I/O interface.

(PC Card I/O Mode)

(True IDE Mode)

The clocking will occur on the negative to

positive edge of the signal (trailing edge).

-OE

This is an output enable strobe generated by

the host interface. It is used to read data from

the card in Memory Mode and to read the CIS

and configuration registers.

(PC Card Memory Mode)

-OE

In PC Card I/O Mode, this signal is used to read

the CIS and configuration registers.

(PC Card I/O Mode)

-ATA SEL

To enable True IDE Mode this input should be

grounded by the host.

(True IDE Mode)

RDY/-BSY

In Memory Mode, this signal is set high when

the card is ready to accept a new data transfer

operation and held low when the card is busy.

The host memory card socket must provide a

pull-up resistor.

(PC Card Memory Mode)

At power up and at reset, the RDY/-BSY signal

is held low (busy) until the card has completed

its power up or reset function. No access of any

type should be made to the card during this

time. The RDY/-BSY signal is held high

(disabled from being busy) whenever the

following condition is true: The card has been

powered up with +RESET continuously

disconnected or asserted.

-IREQ

I/O Operation–After the card has been

configured for I/O operation, this signal is used

as an interrupt request. This line is strobed low

to generate a pulse mode interrupt or held low

for a level mode interrupt.

(PC Card I/O Mode)

INTRQ

In True IDE Mode, this signal is the active high

Interrupt Request to the host.

(True IDE Mode)

-REG

This Attribute Memory Select signal is used

during memory cycles to distinguish between

Common Memory and Register (Attribute)

Memory accesses: High for common memory,

and low for attribute memory.

(PC Card Memory Mode)

-REG

The signal must also be active (low) during I/O

cycles when the I/O address is on the bus.

(PC Card I/O Mode)

02/07, Rev. 12.0

3-6

SanDisk CompactFlash Card OEM Product Manual

Interface Description

Table 3-4

Signal Description

Signal Name

Dir.

Description

-DMACK

This signal is used by the host in response to

DMARQ to initiate DMA transfers.

(True IDE Mode)

NOTE: This signal may be negated by the host

to suspend the DMS transfer in process. For

Multiword DMA transfers, the device may

negate DMARQ with the t_Lspecified time once

the DMACK- is asserted and reasserted again

at a later time to resume DMA operation.

Alternatively, if the device is able to continue

the data transfer, the device may leave

DMARQ asserted and wait for the host to

reassert DMACK-.

RESET

When the pin is high, this signal resets the

card. The card is reset only at power-up if this

pin is left high or open from power-up. The card

is also reset when the Soft Reset bit in the Card

Configuration Option Register is set.

(PC Card Memory Mode)

(PC Card I/O Mode)

-RESET

In the True IDE Mode this input pin is the active

low hardware reset from the host.

(True IDE Mode)

V_CC

13, 38

33, 40

+5V, +3.3V power.

(PC Card Memory Mode)

(PC Card I/O Mode)

(True IDE Mode)

-VS1

Voltage Sense Signals. -VS1 is grounded so

that the CompactFlash Card CIS can be read at

3.3 volts and VS2 is open and reserved by

PCMCIA for a secondary voltage.

-VS2

(PC Card Memory Mode)

(PC Card I/O Mode)

(True IDE Mode)

-WAIT

SanDisk CompactFlash Memory cards do not

assert the -WAIT signal.

(PC Card Memory Mode)

-WAIT

SanDisk CompactFlash Memory cards do not

assert the -WAIT signal.

(PC Card I/O Mode)

IORDY

SanDisk CompactFlash Memory cards, except

when in UDMA modes, do not assert an IORDY

signal.

(True IDE Mode)

-WE

This is a signal driven by the host and used for

strobing memory write data to the registers of

the card when it is configured in the Memory

Interface Mode. It is also used for writing the

configuration registers.

(PC Card Memory Mode)

-WE

In PC Card I/O Mode, this signal is used for

writing the configuration registers.

(PC Card I/O Mode)

-WE

In True IDE Mode this input signal is not used

and should be connected to VCC by the host.

(True IDE Mode)

Memory Mode–The CompactFlash Card does

not have a write-protect switch. This signal is

held low after the completion of the reset

initialization sequence.

(PC Card Memory Mode)

3-7

Rev. 12.0, 02/07

Interface Description

SanDisk CompactFlash Card OEM Product Manual

Table 3-4

Signal Description

Signal Name

Dir.

Description

-IOIS16

I/O Operation–When the card is configured for

I/O Operation, pin 24 is used for the -I/O

Selected is 16 Bit Port (-IOIS16) function. A low

signal indicates that a 16-bit or odd-byte only

operation can be performed at the addressed

port.

(PC Card I/O Mode)

-IOCS16

This output signal is asserted low when this

device is expecting a word data transfer cycle.

(True IDE Mode)

3.3

Electrical Specification

All D.C. Characteristics for the CompactFlash Memory Card Series are defined as follows:

Typical conditions unless otherwise stated:

V_CC= 5V +/- 10%

V_CC= 3.3V +/- 5%

Ta = 0° C to 60° C

Absolute Maximum conditions:

V_CC= -0.3V min. to 6.5V max.

V* = 0.5V min. to V_CC+ 0.5V max.

*Voltage on any pin except V_CCwith respect to GND.

3.3.1

Input Leakage Control and Input Characteristics

In Table 3-5, “x” refers to the characteristics described in Table 3-6. For example–"I1U"

indicates a pull-up resistor with a Type 1 input characteristic.

Table 3-5

Input Leakage Control

Type

Parameter

Symbol

Conditions

Vih=VCC/Vil=GND

VCC=5.0V

MIN

-1

MAX

Unit

lxZ

Input Leakage Current

IxU

IxD

Pull Up Resistor

RPU1

RPD1

50k

500k

Ohm

Pull Down Resistor

VCC=5.0V

NOTE: The minimum pull-up resistor leakage current meets the PCMCIA

specification of 10k ohms but is intentionally higher in the

CompactFlash Memory Card Series product to reduce power use.

02/07, Rev. 12.0

3-8

SanDisk CompactFlash Card OEM Product Manual

Interface Description

Table 3-6 defines the input characteristics of the parameters in Table 3-5.

Table 3-6

Input Characteristics

Min.

Typ.

Max.

Min.

Typ.

Max.

Type

Parameter

Input Voltage

CMOS

Symbol

VCC = 3.3V

VCC = 5.0V

Unit

Vih

Vil

2.4

1.5

4.0

2.0

0.6

0.8

Input Voltage

CMOS

Vih

Vil

Input Voltage

Vth

Vtl

1.8

1.0

2.8

2.0

CMOS

Schmitt Trigger

3.3.2

Output Drive Type and Characteristics

In Table 3-7 "x" refers to the characteristics described in Table 3-8. For example–"OT3" refers

to Totempole output with a Type 3 output drive characteristic.

Table 3-7

Output Drive Type

Type

OTx

OZx

OPx

ONx

Output Type

Valid Conditions

loh & lol

Totempole

Tri-state N-P Channel

loh & lol

P-Channel Only

N-Channel Only

loh only

loh Only

Table 3-8

Output Drive Characteristics

Type

Parameter

Symbol

Conditions

Min.

V_CC

Typ.

Max.

Unit

Output Voltage

Voh

loh= -4 mA

-0.8V

Vol

lol= 4 mA

Gnd

+0.4V

Voh

loh= -8 mA

V_CC

-0.8V

Vol

lol= 8 mA

Gnd

+0.4V

Voh

Vol

loh= -8 mA

lol= 8 mA

V_CC

-0.8V

Gnd

+0.4V

Tri-State

Leakage Current

loz

Vol = Gnd

Voh = V_CC

-10

3-9

Rev. 12.0, 02/07

Interface Description

SanDisk CompactFlash Card OEM Product Manual

3.3.3

Power Up/Power Down Timing

The timing specification in Table 3-9 was defined to permit peripheral cards to perform power-

up initialization.

Table 3-9

Power Up/Power Down Timing

Item

Value

Max.

Symbol

Condition

Min.

Unit

CE Signal Level^a

Vi (CE)

0V <V_CC<2.0V

V_iMAX

---

2.0V <V_CC<V_IH

<V_CC- 0.1

V_IH

<V_IH<V_CC

CE Setup Time

CE Recover Time

T_SU(V_CC)

---

T_SU(RESET)

---

_REC(V_CC)

---

0.001

0.1

---

V_CCRising Time^b

t_pr

10%-->90% of (V_CC+ 5%)

300

V_CCFalling Time^b

Reset Width

t_pf

90% of (V_CC+ 5%)-->10%

3.0

300

T_W(RESET)

T_h(Hi-z Reset)

T_S(Hi-z Reset)

---

µs

a. V_iMAXmeans Absolute Maximum Voltage for Input in the period of 0V <VCC <2.0V, Vi (CE) is only

0V~V_iMAX

b. The t_prand t_pfare defined as "linear waveform" in the period of 10% to 90% or vice-versa. Even if

the waveform is not "linear waveform," its rising and falling time must be met by this specification.

Figure 3-1 Power Up/Power Down Timing for Systems supporting RESET

t_pr

t_SU(V_CC)

V_CCMin.

t_SU(Reset)

V_IH

-CE1, -CE2

t_W(Reset)

th (Hi-z Reset)

Hi-z

Reset

t_W(Reset)

V_CC

t_pf

V_CCMin.

t_rec

V_IH

-CE1, -CE2

ts (Hi-z Reset)

Hi-z

02/07, Rev. 12.0

3-10

SanDisk CompactFlash Card OEM Product Manual

Interface Description

Figure 3-2 Power Up/Power Down Timing for Systems not supporting RESET

t_pr

V_CC

V_CCMin.

t_SU(V_CC

)

V_IH

-CE1, -CE2

Always Hi-z from system

RESET

Supplied by pull-up resistor

on card (if present)

t_pf

V_CC

V_CCMin.

t_rec

V_IH

-CE1, -CE2

3.3.4

Common Memory Read Timing

Table 3-10 contains common memory read timing specifications for all types of memory.

NOTE: All timings measured at the CompactFlash Memory Card. Skews and

delays from the system driver/receiver to the card must be accounted

for by the system.

Table 3-10 Common Memory Read Timing Specification

100 ns

Speed Version Item

Read Cycle Time

Symbol

IEEE Symbol

Min.

Max.

t_c(R)

t_AVAV

100

---

Address Access Time^a

t_a(A)

t_a(CE)

t_a(OE)

t_AVQV

t_ELQV

t_GLQV

t_GHQZ

t_EHQZ

t_ELQNZ

t_GLQNZ

t_AXQX

t_AVGL

---

100

---

Card Enable Access Time

Output Enable Access Time

Output Disable Time from -OE

Output Disable Time from -CE

Output Enable Time from -CE

Output Enable Time from -OE

_dis(OE)

_dis(CE)

_en(CE)

t_en(OE)

---

Data Valid from Add Change^a

Address Setup Time

t_v(A)

---

t_su(A)

---

3-11

Rev. 12.0, 02/07

Interface Description

SanDisk CompactFlash Card OEM Product Manual

Table 3-10 Common Memory Read Timing Specification

100 ns

Speed Version Item

Address Hold Time

Symbol

IEEE Symbol

Min.

Max.

t_h(A)

t_GHAX

---

Card Enable Setup Time

Card Enable Hold Time

_su(CE)

t_ELGL

---

t_h(CE)

t_GHEH

a. The -REG signal timing is identical to address signal timing

3.3.5

Common and Attribute Memory Write Timing

The write timing specifications for Common and Attribute memory are the same.

All timings measured at the CompactFlash Memory Card. Skews and delays from the system

driver/receiver to the card must be accounted for by the system

NOTE: SanDisk CompactFlash Memory cards do not assert the -WAIT

signal.

Table 3-11 Common and Attribute Memory Write Timing Specification

100 ns

Speed Version

Write Cycle Time

Symbol

IEEE Symbol

Min.

Max.

t_c(W)

t_AVAV

100

---

Write Pulse Width

_w(WE)

_su(A)

t_su(A-WEH)

_su(CE-WEH)

t_WLWH

t_AVWL

t_AVWH

t_ELWH

t_DVWH

t_WMDX

t_WMAX

t_WLQZ

t_GHQZ

t_WHQNZ

t_GLQNZ

t_GHWL

t_WHGL

t_ELWL

---

Address Setup Time^a

Address Setup Time for -WE^a

Card Enable Setup Time for -WE

Data Setup Time form -WE

Data Hold Time

_su(D-WEH)

t_h(D)

Write Recover Time

_rec(WE)

t_dis(WE)

_dis(OE)

_en(WE)

_en(OE)

_su(OE-WE)

t_h(OE-WE)

_su(CE)

t_h(CE)

Output Disable Time from -WE

Output Disable Time from -OE

Output Enable Time from -WE

Output Enable Time from -OE

Output Enable Setup from -WE

Output Enable Hold from -WE

Card Enable Setup Time

Card Enable Hold Time

t_GHEH

a. The -REG signal timing is identical to address signal timing.

02/07, Rev. 12.0

3-12

SanDisk CompactFlash Card OEM Product Manual

Interface Description

3.3.6

Attribute Memory Read Timing Specification

Table 3-12 contains common memory write timing specifications for all types of memory.

NOTE: SanDisk CompactFlash Memory cards do not assert the -WAIT

signal.

Table 3-12 Attribute Memory Read Timing Specification

300 ns

Speed Version Item

Read Cycle Time

Symbol

IEEE Symbol

Min.

Max.

t_c(R)

t_AVAV

300

---

Address Access Time^a

t_a(A)

t_a(CE)

t_a(OE)

t_AVQV

t_ELQV

t_GLQV

t_GHQZ

t_GLQNZ

t_AXQX

t_AVGL

t_GHAX

t_ELGL

---

300

150

100

---

Card Enable Access Time

Output Enable Access Time

Output Disable Time from -OE

Output Enable Time from -OE

_dis(OE)

t_en(OE)

Data Valid from Add Change^a

Address Setup Time

t_v(A)

---

t_su(A)

---

Address Hold Time

t_h(A)

---

Card Enable Setup Time

Card Enable Hold Time

t_su(CE)

---

t_h(CE)

t_GHEH

---

a. The -REG signal timing is identical to address signal timing

3.3.7

Memory Timing Diagrams

Figure 3-3 Common and Attribute Memory Read Timing Diagram

NOTE 1:

Shaded areas may be high or low.

3-13

Rev. 12.0, 02/07

Interface Description

SanDisk CompactFlash Card OEM Product Manual

Figure 3-4 Common and Attribute Memory Write Timing Diagram

NOTE 1:

Shaded areas may be high or low.

NOTE 2:

NOTE 3:

NOTE 4:

When the data I/O pins are in the output state, no signals shall be applied to

the data pins (D[15::0]) by the host system

May be high or low for write timing, but restrictions on -OE from previous

figures apply.

SanDisk CompactFlash Memory Cards do not assert the -WAIT signal.

02/07, Rev. 12.0

3-14

SanDisk CompactFlash Card OEM Product Manual

Interface Description

3.3.8

I/O Read (Input) Timing Specification

Figure 3-5 I/O Read Timing Diagram

NOTE 1:

NOTE 2:

All timings are measured at the CompactFlash Memory Card.

Skews and delays from the host system driver/receiver to the card must be

accounted for by the system design.

NOTE 3:

D[15::0] signifies data provided by the card to the host system.

Table 3-13 contains the read input timing specifications.

NOTE: SanDisk CompactFlash Memory cards do ont assert a -WAIT signal.

Table 3-13 I/O Read (Input) Timing Specification

Symbol

Item

IEEE Symbol

Min. (ns)

Max. (ns)

Data Delay after -IORD

t_d(IORD)

t_h(IORD)

t_w(IORD)

tl_GLQV

---

100

Data Hold following -IORD

-IORD Width Time

tl_GHQX

tl_GLIGH

t_AVIGL

165

---

Address Setup before -IORD

Address Hold following -IORD

-CE Setup before -IORD

_suA(IORD)

t_hA(IORD)

_suCE(IORD)

tl_GHAX

t_ELIGL

-CE Hold following -IORD

-REG Setup before -IORD

-REG Hold following -IORD

-INPACK Delay falling from -IORD

-INPACK Delay rising from -IORD

t_hCE(IORD)

tl_GHEH

t_RGLIGL

tl_GHRGH

tl_GLIAL

tl_GHIAH

t_suREG(IORD)

t_hREG(IORD)

45^a

t_dfINPACK(IORD)

t_drINPACK(IORD)

---

3-15

Rev. 12.0, 02/07

Interface Description

SanDisk CompactFlash Card OEM Product Manual

Table 3-13 I/O Read (Input) Timing Specification

Symbol

Item

IEEE Symbol

Min. (ns)

Max. (ns)

35^a

-IOIS16 Delay falling from Address

t_dfIOIS16(ADR)

t_drIOIS16(ADR)

t_AVISL

---

35^a

-IOIS16 Delay rising from Address

t_AVISH

---

a. The maximum load on -INPACK and -IOIS16 is 1 LSTTL with 50 pF total load.

3.3.9

I/O Write (Output) Timing Specification

Figure 3-6 I/O Write Timing Diagram

NOTE 1:

NOTE 2:

All timings are measured at the CompactFlash Memory Card.

Skews and delays from the host system driver/receiver to the

CompactFlash Memory Card must be accounted for by the system design.

NOTE 3:

D[15::0] signifies data provided by the host system to the CompactFlash

Memory Card.

02/07, Rev. 12.0

3-16

SanDisk CompactFlash Card OEM Product Manual

Interface Description

Table 3-14 contains the specification information related to the I/O Write Timing Diagram.

Table 3-14 I/O Write Timing Specification

Symbol

Item

IEEE Symbol

Min. (ns)

Max. (ns)

Data Setup before -IOWR

t_su(IOWR)

t_h(IOWR)

t_DVIWL

---

Data Hold following -IOWR

-IOWR Width Time

t_WHDX

tl_WLIWH

t_AVIWL

tl_WHAX

t_ELIWL

tl_WHEH

t_RGLIWL

tl_WHRGH

t_AVISL

165

---

t_w(IOWR)

Address Setup before -IOWR

Address Hold following -IOWR

-CE Setup before -IOWR

t_suA(IOWR)

t_hA(IOWR)

t_suCE(IOWR)

t_hCE(IOWR)

-CE Hold following -IOWR

-REG Setup before -IOWR

-REG Hold following -IOWR

-IOIS16 Delay falling from Address

-IOIS16 Delay rising from -IORD

-IOIS16 Delay falling from Address

-IOIS16 Delay rising from Address

t_suREG(IOWR)

t_hREG(IOWR)

t_dfIOIS16(ADR)

t_dr-IOIS16(ADR)

t_dfIOIS16(ADR)

t_drIOIS16(ADR)

35^a

---

t_AVISH

t_AVISL

t_AVISH

a. The maximum load on -IOIS16 is 1 LSTTL with 50 pF total load.

3.3.10 True IDE Mode

The following sections provide valuable information for the True IDE mode.

De-skewing. The host will provide cable de-skewing for all signals originating from the

device. The device will provide cable de-skewing for all signals originating at the host.

All timing values and diagrams are shown and measured at the connector of the selected

device.

Transfer Timing. The minimum cycle time supported by devices in PIO Mode 3, 4 and

Multiword DMA Mode 1, 2 respectively will always be greater than or equal to the minimum

cycle time defined by the associated mode (e.g., a device supporting PIO Mode 4 timing will

not report a value less than 120 ns. The minimum cycle time defined for PIO mode 4 timings).

•

Figure 3-7 defines the relationships between the interface signals for register transfers.

For PIO Modes 3 and above, the minimum value of t is specified by Word 68 in the

IDENTIFY DEVICE parameter list. Table 3-15 defines the minimum value that will be

placed in Word 68.

In Figure 3-7, all signals shown with the asserted condition facing the top of the page. The

negated condition is shown toward the bottom of the page relative to the asserted condi-

tion.

NOTE: SanDisk CompactFlash Memory cards do not assert an -IORDY

signal.

3-17

Rev. 12.0, 02/07

Interface Description

SanDisk CompactFlash Card OEM Product Manual

Figure 3-7 Register Transfer to/from Device

NOTE 1:

NOTE 2:

Device address consists of signals -CS0, -CS1 and -DA(2:0).

Data consists of DD(7:0).

Table 3-15 Register Transfer to/from Device

Mode 4 (ns)

PIO Timing Parameters

Cycle time (min.)

120

t₀

t₁

Address valid to IORD-/IOWR- setup (min.)

IORD-/IOWR- pulse width 8-bit (min.)

t₂

IORD-/IOWR- recovery time (min.)

t_2i

t₃

t₄

t₅

t₆

IOWR- data setup (min.)

IOWR- data hold (min.)

IORD- data setup (min.)

IORD- data hold (min.)

IORD- data tri-state (max.)

t_6z

t₉

IORD-/IOWR- to address valid hold (min.)

a. t₀is the minimum total cycle time, t₂is the minimum command active time, and t_2iis the minimum

command recovery time or command inactive time. The actual cycle time equals the sum of the

actual command active time and the actual command inactive time. The three timing requirements

of t₀, t₂, and t_2ishall be met. The minimum total cycle time requirements are greater than the sum of

t₂and t_2i. This means a host implementation may lengthen either or both t₂or t_2ito ensure that t₀is

equal to or greater than the value reported in the devices IDENTIFY DEVICE data. A device imple-

mentation shall support any legal host implementation.

b. This parameter specifies the time from the negation edge of /IORD to the time that the data bus is

no longer driven by the device (tri-state).

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Interface Description

•

PIO Data Transfers

Figure 3-8 defines the relationships between the interface signals for PIO data transfers.

For PIO Modes 3 and above, the minimum value of t is specified by Word 68 in the

IDENTIFY DEVICE parameter list. Table 3-16 defines the minimum value that will be

placed in Word 68.

Figure 3-8 PIO Data Transfer to/from Device

NOTE 1:

NOTE 2:

Device address consists of signals -CS0, -CS1 and -DA(2:0).

Data consists of DD(15:0).

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Interface Description

SanDisk CompactFlash Card OEM Product Manual

The PIO data transfer parameters are defined in Table 3-16.

NOTE: SanDisk CompactFlash Memory cards do not assert an -IORDY

signal.

Table 3-16 PIO Data Transfer to/from Device

Mode 0

(ns)

Mode 1

(ns)

Mode 2

(ns)

Mode 3

(ns)

Mode 4

(ns)

PIO Timing Parameters

Cycle time (min.)

600

383

240

180

120

t₀

t₁

Address valid to IORD-/IOWR- setup

(min.)

IORD-/IOWR- pulse width 16-bit (min.)

165

125

100

t₂

t_2ia

t₃

IORD-/IOWR- recovery time (min.)

IOWR- data setup (min.)

IOWR- data hold (min.)

---

t₄

t₅

IORD- data setup (min.)

IORD- data hold (min.)

t₆

IORD- data tri-state (max.)

t_6z

t₉

IORD-/IOWR- to address valid hold

(min.)

a. t₀is the minimum total cycle time, t₂is the minimum command active time, and t_2iis the minimum

command recovery time or command inactive time. The actual cycle time equals the sum of the

actual command active time and the actual command inactive time. The three timing requirements of

t₀, t₂, and t_2ishall be met. The minimum total cycle time requirements are greater than the sum of t₂

and t_2i. This means a host implementation may lengthen either or both t₂or t_2ito ensure that t₀is

equal to or greater than the value reported in the devices IDENTIFY DEVICE data. A device imple-

mentation shall support any legal host implementation.

b. This parameter specifies the time from the negation edge of /IORD to the time that the data bus is no

longer driven by the device (tri-state).

3.4

Card Configuration

SanDisk CompactFlash Memory cards are identified by appropriate information in the Card

Information Structure (CIS). The configuration registers are used to coordinate the I/O spaces

and the interrupt level of cards that are located in the system.

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Interface Description

In addition, these registers provide a method for accessing status information about the card

that may be used to arbitrate between multiple interrupt sources on the same interrupt level or

to replace status information that appears on dedicated pins in memory cards that have

alternate use in I/O cards.

Table 3-17 Registers and Memory Space Decoding

A8-

-CE2

-CE1

-REG

-OE

-WE

A10

Selected Space

Standby

Configuration Registers

Read

Common Memory Read

(8-bit D7-D0)

Common Memory Read

(8-bit D15-D8)

Common Memory Read

(16-bit D15-D0)

Configuration Registers

Write

Common Memory Write (8-

bit D7-D0)

Common Memory Write (8-

bit D15-D8)

Common Memory Write

(16-bit D15-D0)

Card Info Structure Read

Invalid Access (CIS Write)

Invalid Access (Odd

Attribute Read)

Invalid Access (Odd

Attribute Write)

Invalid Access (Odd

Attribute Read)

Invalid Access (Odd

Attribute Write)

NOTE: The location of the card configuration registers should always be

read from the CIS since these locations may vary in future products.

No writes should be performed to the card attribute memory except

to the card configuration register addresses. All other attribute

memory locations are reserved.

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Interface Description

SanDisk CompactFlash Card OEM Product Manual

Decoding for the configuration registers is defined in Table 3-18.

Table 3-18 Configuration Registers Decoding

A8-

-CE2

-CE1

-REG

-OE

-WE

A10

Selected Register

Configuration Option Read

Configuration Option Write

Card Status Read

Card Status Write

Pin Replacement Read

Pin Replacement Write

Socket and Copy Read

Socket and Copy Write

3.4.1

Attribute Memory Function

Attribute Memory is a space where a CompactFlash Memory Card identification and

configuration information is stored, and is limited to 8-bit wide accesses only at even

addresses. The card configuration registers are also located there.

For the Attribute Memory Read function, signals -REG and -OE must be active and -WE

inactive during the cycle. As in the Main Memory Read functions, the signals -CE1 and -CE2

control the even-byte and odd-byte address, but only the even-byte data is valid during the

Attribute Memory access. Refer to Table 3-19 for signal states and bus validity for the

Attribute Memory function.

NOTE: The -CE signal or both the -OE and -WE signal must be de-asserted

between consecutive cycle operaitons.

Table 3-19 Attribute Memory Function

Function Mode

Standby

-REG

-CE2

-CE1

-OE

-WE

D15-D8

High Z

D7-D0

High Z

Read Byte Access CIS ROM

(8 bits)

Even

Byte

Write Byte Access CIS (8 bits)

(Invalid)

Don’t

Care

Even

Byte

Read Byte Access

Configuration (8 bits)

High Z

Even

Byte

Write Byte Access

Configuration (8 bits)

Don’t

Care

Even

Byte

Read Word Access CIS

(16 bits)

Not Valid

Even

Byte

Write Word Access CIS

(16 bits) (Invalid)

Don’t

Care

Even

Byte

Read Word Access

Configuration (16 bits)

Not Valid

Even

Byte

Write Word Access

Configuration (16 bits)

Don’t

Care

Even

Byte

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Interface Description

3.4.2

Configuration Option Register (Address 200h in Attribute Memory)

The Configuration Option Register is used to configure the card’s interface, address decoding

and interrupt and to issue a soft reset to the CompactFlash Memory Card.

Operation

R/W

SRESET

LevIREQ

Conf5

Conf4

Conf3

Conf2

Conf1

Conf0

Bit

Name

Description

SRESET

Setting this bit to one (1), waiting the minimum reset width time and

returning to zero (0) places the card in the Reset state. Setting this bit to "1"

is equivalent to assertion of the +RESET signal except that the SRESET bit

is not cleared. Returning this bit to "0" leaves the card in the same un-

configured, Reset state as following power-up and hardware reset. This bit

is set to "0" by power-up and hardware reset. Using the PCMCIA Soft

Reset is considered a hard Reset by the ATA Commands. Contrast with

Soft Reset in the Device Control Register.

LevIREQ

This bit is set to "1" when Level Mode Interrupt is selected, and"0" when

Pulse Mode is selected. Set to "0" by Reset.

D5-D0

Conf 5–Conf0 Configuration Index. Set to "0" by reset. It's used to select operation mode

of the card as shown below. NOTE: Conf5 and Conf4 are reserved and

must be written as "0".

Table 3-20 Card Configurations

Conf5

Conf4

Conf3

Conf2

Conf1

Conf0

Disk Card Mode

Memory Mapped

I/O Mapped; any 16-byte system

decoded boundary

I/O Mapped; 1F0-1F7/3F6-3F7

I/O Mapped; 170-177/376-377

3.4.3

Card Configuration and Status Register (Address 202h in Attribute Memory)

The Card Configuration and Status Register contain information about the card's condition.

Operation

Read

Changed

Int

SigChg

IOis8

PwrDwn

Write

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Interface Description

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Card Configuration and Status Register (con’t)

Bit

Name

Description

Changed

Indicates that one or both of the Pin Replacement Register CRdy, or

CWProt bits are set to "1". When the Changed bit is set, -STSCHG Pin 46

is held low if the SigChg bit is a "1" and the card is configured for the I/O

interface.

SigChg

This bit is set and reset by the host to enable and disable a state-change

"signal" from the Status Register, the Changed bit control pin 46 the

Changed Status signal. If no state change signal is desired, this bit should

be set to zero "0" and pin 46 (-STSCHG) signal will be held high while the

card is configured for I/O

IOis8

The host sets this bit to a one "1" if the card is to be configured in an 8-bit

I/O mode. The card is always configured for both 8- and 16-bit I/O, so this

bit is ignored.

PwrDwn

This bit indicates whether the host requests the card to be in the power

saving or active mode. When the bit is "1", the card enters a power down

mode. When "0", the host is requesting the card to enter the active mode.

The PCMCIA Rdy/-Bsy value becomes BUSY when this bit is changed.

Rdy/-Bsy will not become Ready until the power state requested has been

entered. The card automatically powers down when it is idle and powers

back up when it receives a command

Int

This bit represents the internal state of the interrupt request. This value is

available whether or not I/O interface has been configured. This signal

remains true until the condition that caused the interrupt request has been

serviced. If interrupts are disabled by the -IEN bit in the Device Control

3.4.4

Pin Replacement Register (Address 204h in Attribute Memory)

The Pin Replacement Register information is described below.

Operation

Read

CRdy/-Bsy

CWProt

RRdy/-Bsy

MRdy/-Bsy

RWProt

MWProt

Write

Bit

Name

Description

CRdy/-Bsy

This bit is set to "1" when the bit RRdy/-Bsy changes state. This bit can also

be written by the host.

CWProt

This bit is set to "1" when the RWprot changes state. This bit may also be

written by the host.

RRdy/-Bsy

This bit is used to determine the internal state of the Rdy/-Bsy signal. This

bit may be used to determine the state of the Ready/-Busy as this pin has

been reallocated for use as Interrupt Request on an I/O card. When written,

this bit acts as a mask for writing the corresponding bit CRdy/-Bsy.

MRdy/-Bsy

RWProt

This bit acts as a mask for writing the corresponding bit CRdy/-Bsy.

This bit is always "0" because the card does not have a write-protect

switch. When written, this bit acts as a mask for writing the corresponding

bit CWProt.

MWProt

This bit when written acts as a mask for writing the corresponding bit

CWProt.

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Interface Description

Pin replacement changed bit/mask values are contained in Table 3-21.

Table 3-21 Pin Replacement Changed Bit/Mask Bit Values

Written by Host

Initial Value of

“C” Bit

“M” Bit

Final “C” Bit

Comments

Unchanged

Cleared by host

Set by host

3.4.5

Socket and Copy Register (Address 206h in Attribute Memory)

This register contains additional configuration information. This register is always written by

the system before writing the card's Configuration Index Register.

Operation

Read

Reserved

Drive#

Write

Drive# (0)

Bit

Name

Description

Reserved

This bit is reserved for future standardization. This bit must be set to "0" by

the software when the register is written.

Drive#

This bit indicates the drive number of the card if twin card configuration is

supported.

D3-D0

(write)

The socket number is ignored by the card.

3.5

I/O Transfer Function

The following sections provide valuable information for the I/O Transfer function.

3.5.1

Common Memory Function

The Common Memory transfer to or from SanDisk CompactFlash memory cards can be either

8 or 16 bits. The card permits both 8- and 16-bit accesses to all of its Common Memory

addresses.

Table 3-22 Common Memory Function

Function Code

Standby

-REG

-CE2

-CE1

-OE

-WE

D15-D8

High Z

D7-D0

High Z

Byte Read Access

(8 bits)

High Z

Even Byte

Odd Byte

Even Byte

Odd Byte

High Z

Byte Write Access

(8 bits)

Don’t Care

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Interface Description

SanDisk CompactFlash Card OEM Product Manual

Table 3-22 Common Memory Function

Function Code

-REG

-CE2

-CE1

-OE

-WE

D15-D8

D7-D0

Word Read Access

(16 bits)

Odd Byte

Even Byte

Word Write Access

(16 bits)

Odd Byte

Even Byte

High Z

Odd Byte Read Only

(8 bits)

Odd Byte Write Only

(8 bits)

Don’t Care

3.6

True IDE Mode I/O Transfer Function

This section contains valuable information on the True IDE Mode I/O Transfer function.

3.6.1

True IDE Mode I/O Function

SanDisk CompactFlash Memory cards can be configured in a True IDE Mode of operation.

Cards are configured in this mode only when the -OE input signal is grounded by the host

when power is applied to the cards. In this True IDE Mode, the PCMCIA protocol and

configuration are disabled and only I/O operations to the Task File and Data Register are

allowed. In this mode, no Memory or Attribute registers are accessible to the host.

CompactFlash cards permit 8-bit data accesses if the user issues a Set Feature Command to put

the device in 8-bit Mode.

NOTE: Removing and reinserting the card while the host computer's power

is on will reconfigure it to PC Card ATA mode from the original True

IDE Mode. To configure the card in True IDE Mode, the 50-pin

socket must be power cycled with the card inserted and -OE (output

enable) grounded by the host.

Table 3-23 defines the function of the operations for the True IDE Mode.

Table 3-23 IDE Mode I/O Function

Function Code

Invalid Mode

-CE2

-CE1

-IORD

-IOWR

D15-D8

High Z

D7-D0

High Z

Standby Mode

High Z

Task File Write

1.7h

1-7h

Don’t care

High Z

Data In

Task File Read

Data Out

Even Byte In

Even Byte Out

Control In

Status Out

Data Register Write

Data Register Read

Control Register Write

Alt Status Read

Odd Byte in

Odd Byte Out

Don’t Care

High Z

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CHAPTER 4

ATA Register Set and Protocol

SanDisk CompactFlash Memory cards can be configured as a high performance I/O device

through the following ways:

•

Standard PC-AT disk I/O address spaces 1F0h-1F7h, 3F6h-3F7h (primary); 170h-177h,

376h-377h (secondary) with IRQ 14 (or other available IRQ).

•

Any system decoded 16-byte I/O block using any available IRQ.

Memory space.

The communication to or from the card is done using the Task File registers, which provide all

the necessary registers for control and status information. The PCMCIA interface connects

peripherals to the host using four register mapping methods. Table 4-1 is a detailed description

of these methods.

Table 4-1

Standard I/O Configurations

Config Index

I/O or Memory

Memory

I/O

Address

Drive

Description

Memory Mapped

0-F, 400-7FF

XX0-XXF

I/O Mapped 16 Contiguous

Registers

I/O

1F0-1F7, 3F6-3F7

170-177, 376-377

Primary I/O Mapped Drive 0

Primary I/O Mapped Drive 1

Secondary I/O Mapped Drive 0

Secondary I/O Mapped Drive 1

4.1

I/O Primary and Secondary Address Configurations

Table 3-2 contains configurations for primary and secondary I/O decoding.

Table 4-2

Primary and Secondary I/O Decoding

-REG

A9-A4

-IORD=0

-IOWR=0

Even RD Data^a,b

Even WR Data^a,b

1F(17)

Error Register^a

Sector Count

Sector No.

Features^a

1F(17)

3F(37)

Sector Count

Sector No.

Cylinder Low

Cylinder High

Select Card/Head

Status

Cylinder Low

Cylinder High

Select Card/Head

Command

Alt Status

Device Control

Reserved

Drive Address

4-1

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ATA Register Set and Protocol

SanDisk CompactFlash Card OEM Product Manual

a. Register 0 is accessed with -CE1 low and -CE2 low (and A0 = Do not care) as a word register on the

combined Odd Data Bus and Even Data Bus (D15-D0). This register may also be accessed by a pair

of byte accesses to the offset 0 with -CE1 low and -CE2 high. Note that the address space of this

word register overlaps the address space of the Error and Feature byte-wide registers that lie at off-

set 1. When accessed twice as byte register with CE1 low, the first byte to be accessed is the even

byte of the word and the second byte accessed is the odd byte of the equivalent word access.

b. A byte access to register 0 with CE1 high and CE2 low accesses the error (read) or feature (write)

4.2

Contiguous I/O Mapped Addressing

When the system decodes a contiguous block of I/O registers to select a CompactFlash

Memory Card, the registers are accessed in the block of I/O space decoded by the system as

follows:

Table 4-3

Contiguous I/O Decoding

-REG

Offset

-IORD=0

-IOWR=0

Even RD Data^a

Even WR Data^a

Error Register^b

Sector Count

Sector No.

Features^b

Sector Count

Sector No.

Cylinder Low

Cylinder High

Select Card/Head

Status

Cylinder Low

Cylinder High

Select Card/Head

Command

Dup Even RD Data^b

Dup Odd RD Data^b

Dup Even WR Data^b

Dup Odd WR Data^b

Dup Error^b

Alt Status

Dup Features^b

Device Ctl

Drive Address

Reserved

a. Register 0 is accessed with -CE1 low and -CE2 low (and A0 = Do not care) as a word register on the

combined Odd Data Bus and Even Data Bus (D15-D0). This register may also be accessed by a pair

of byte accesses to the offset 0 with -CE1 low and -CE2 high. Note that the address space of this

word register overlaps the address space of the Error and Feature byte-wide registers that lie at off-

set 1. When accessed twice as byte register with CE1 low, the first byte to be accessed is the even

byte of the word and the second byte accessed is the odd byte of the equivalent word access. A

byte access to register 0 with CE1 high and CE2 low accesses the error (read) or feature (write)

b. Registers at offset 8, 9 and D are non-overlapping duplicates of the registers at offset 0 and 1.

ters are byte accessed in the order 9 then 8 the data will be transferred odd byte then even byte.

Repeated byte accesses to register 8 or 0 will access consecutive (even than odd) bytes from the

data buffer. Repeated word accesses to register 8, 9 or 0 will access consecutive words from the

data buffer. Repeated byte accesses to register 9 are not supported. However, repeated alternating

byte accesses to registers 8 then 9 will access consecutive (even then odd) bytes from the data

buffer. Byte accesses to register 9 access only the odd byte of the data.

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ATA Register Set and Protocol

4.3

Memory Mapped Addressing

When CompactFlash Memory Card registers are accessed via memory references, they appear

in the common memory space window: 0-2K bytes as shown in Table 4-4.

Table 4-4

Memory Mapped Decoding

A9-

-REG

A10

Offset

-OE=0

-WE=0

Even RD Data^a

Even WR Data^a

Error Register^b

Sector Count

Sector No.

Features^b

Sector Count

Sector No.

Cylinder Low

Cylinder High

Select Card/Head

Status

Cylinder Low

Cylinder High

Select Card/Head

Command

Dup Even RD Data^b

Dup Odd RD Data^b

Dup Even WR Data^b

Dup Odd WR Data^b

Dup Error^b

Alt Status

Dup Features^b

Device Ctl

Drive Address

Reserved

Even RD Data^c

Odd RD Data^c

Even WR Data^c

Even RD Data^c

a. Register 0 is accessed with -CE1 low and -CE2 low (and A0 = Do not care) as a word register on the

combined Odd Data Bus and Even Data Bus (D15-D0). This register may also be accessed by a pair

of byte accesses to the offset 0 with -CE1 low and -CE2 high. Note that the address space of this

word register overlaps the address space of the Error and Feature byte-wide registers that lie at off-

set 1. When accessed twice as byte register with CE1 low, the first byte to be accessed is the even

byte of the word and the second byte accessed is the odd byte of the equivalent word access. A byte

access to register 0 with CE1 high and CE2 low accesses the error (read) or feature (write) register.

b. Registers at offset 8, 9 and D are non-overlapping duplicates of the registers at offset 0 and 1.

ters are byte accessed in the order 9 then 8 the data will be transferred odd byte then even byte.

Repeated byte accesses to register 8 or 0 will access consecutive (even than odd) bytes from the

data buffer. Repeated word accesses to register 8, 9 or 0 will access consecutive words from the data

buffer. Repeated byte accesses to register 9 are not supported. However, repeated alternating byte

accesses to registers 8 then 9 will access consecutive (even then odd) bytes from the data buffer.

Byte accesses to register 9 access only the odd byte of the data.

c. Accesses to even addresses between 400h and 7FFh access register 8. Accesses to odd addresses

between 400h and 7FFh access register 9. This 1 KByte memory window to the data register is pro-

vided so that hosts can perform memory to memory block moves to the data register when the regis-

ter lies in memory space. Some hosts, such as the X86 processors, must increment both the source

and destination addresses when executing the memory to memory block move instruction. Some

PCMCIA socket adapters also have auto incrementing address logic embedded within them. This

address window allows these hosts and adapters to function efficiently.

Note that this entire window accesses the Data Register FIFO and does not allow random access to

the data buffer within the card.

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ATA Register Set and Protocol

SanDisk CompactFlash Card OEM Product Manual

4.4

True IDE Mode Addressing

When a CompactFlash Memory Card is configured in the True IDE Mode the I/O decoding is

as listed in Table 4-5.

Table 4-5

True IDE Mode I/O Decoding

-CE2

-CE1

-IORD=0

Even RD Data

Error Register

Sector Count

Sector No.

-IOWR=0

Even WR Data

Features

Sector Count

Sector No.

Cylinder Low

Cylinder High

Select Card/Head

Status

Cylinder Low

Cylinder High

Select Card/Head

Command

Alt Status

Device Control

Reserved

Drive Address

4.5

ATA Registers

In accordance with the PCMCIA specification: each of the registers below which is located at

an odd offset address may be accessed at its normal address and also the corresponding even

address (normal address -1) using data bus lines (D15-D8) when -CE1 is high and -CE2 is low

unless -IOIS16 is high (not asserted) and an I/O cycle is being performed.

4.5.1

Data Register (Address–1F0[170]; Offset 0, 8, 9)

The Data Register is a 16-bit register, and it is used to transfer data blocks between the

CompactFlash Memory Card data buffer and the host. This register overlaps the Error

is provided to assist in understanding the overlapped Data Register and Error/Feature Register

rather than attempt to define general PCMCIA word and byte access modes and operations.

Refer to the PCMCIA PC Card Standard Release 2.0 for definitions of the Card Accessing

modes for I/O and memory cycles.

NOTE: Because of the overlapped registers, access to the 1F1, 171 or offset 1

are not defined for word (-CE2 = 0 and -CE1 = 0) operations.

SanDisk products treat these accesses as accesses to the Word Data

restrictions on the operations that can be performed by the socket.

Table 4-6

Data Register

CE2-

CE1-

Offset

0,8,9

0,8

Data Bus

D15-D0

D7-D0

Word Data Register

Even Data Register

Odd Data Register

Error/Feature Register

D7-D0

8,9

D15-D0

D7-D0

1,Dh

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ATA Register Set and Protocol

Table 4-6

Data Register

CE2-

CE1-

Offset

Data Bus

D15-D0

Error/Feature Register

4.5.2

Error Register (Address–1F1[171]; Offset 1, 0Dh Read Only)

This register contains additional information about the source of an error when an error is

indicated in bit 0 of the Status Register. The bits are defined as follows:

BBK

UNC

IDNF

ABRT

AMNF

This register is also accessed on data bits D15-D8 during a write operation to offset 0 with -

CE2 low and -CE1 high.

Bit

Name

BBK

UNC

Description

Set when a bad block is detected.

Set when an uncorrectable error is encountered.

Bit set to 0.

IDNF

The requested sector ID is in error or cannot be found.

Bit set to 0.

ABRT

Set if the command has been aborted because of a card status condition:

(Not Ready, Write Fault, etc.) or when an invalid command has been

issued.

Bit set to 0.

AMNF

Set in case of a general error.

4.5.3

4.5.4

Feature Register (Address–1F1[171]; Offset 1, 0Dh Write Only)

This register provides information about CompactFlash Memory Card features the host can

utilize. This register is also accessed on data bits D15-D8 during a write operation to Offset 0

with CE2 low and -CE1 high.

Sector Count Register (Address–1F2[172]; Offset 2)

This register contains the number of sectors of data requested to be transferred on a read or

write operation between the host and the card. If the value in this register is zero, a count of

256 sectors is specified. If the command was successful, this register is “0” at command

completion. If not successfully completed, the register contains the number of sectors that

need to be transferred in order to complete the request.

4.5.5

Sector Number (LBA 7-0) Register (Address–1F3[173]; Offset 3)

This register contains the starting sector number or bits 7-0 of the Logical Block Address

(LBA) for any CompactFlash Memory Card data access for the subsequent command.

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ATA Register Set and Protocol

SanDisk CompactFlash Card OEM Product Manual

4.5.6

4.5.7

4.5.8

Cylinder Low (LBA 15-8) Register (Address–1F4[174]; Offset 4)

This register contains the low order 8 bits of the starting cylinder address or bits 15-8 of the

Logical Block Address.

Cylinder High (LBA 23-16) Register (Address–1F5[175]; Offset 5)

This register contains the high order bits of the starting cylinder address or bits 23-16 of the

Logical Block Address.

Drive/Head (LBA 27-24) Register (Address–1F6[176]; Offset 6)

The Drive/Head Register is used to select the drive and head. It is also used to select LBA

addressing instead of cylinder/head/sector addressing. The bits are defined as follows:

LBA

DRV

HS3

HS2

HS1

HS0

Bit

Name

Description

Bit set to 1.

LBA

LBA is a flag to select either Cylinder/Head/Sector (CHS) or Logical Block

Address Mode (LBA). When LBA=0, Cylinder/Head/Sector mode is

selected. When LBA=1, Logical Block Address is selected. In Logical Block

Mode, the Logical Block Address is interpreted as follows:

LBA07-LBA00: Sector Number Register D7-D0.

LBA15-LBA08: Cylinder Low Register D7-D0.

LBA23-LBA16: Cylinder High Register D7-D0.

LBA27-LBA24: Drive/Head Register bits HS3-HS0.

Bit set to 1.

DRV

This bit will have the following meaning. DRV is the drive number. When

DRV=0, drive (card) 0 is selected When DRV=1, drive (card) 1 is selected.

The CompactFlash Card is set to be Card 0 or 1 using the copy field of the

PCMCIA Socket & Copy configuration register.

HS3

HS2

HS1

HS0

When operating in the Cylinder , Head, Sector mode, this is bit 3 of the

head number. It is Bit 27 in the Logical Block Address mode.

When operating in the Cylinder , Head, Sector mode, this is bit 2 of the

head number. It is Bit 26 in the Logical Block Address mode.

When operating in the Cylinder , Head, Sector mode, this is bit 1 of the

head number. It is Bit 25 in the Logical Block Address mode.

When operating in the Cylinder , Head, Sector mode, this is bit 0 of the

head number. It is Bit 24 in the Logical Block Address mode.

02/07, Rev. 12.0

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SanDisk CompactFlash Card OEM Product Manual

ATA Register Set and Protocol

4.5.9

Status & Alternate Status Registers (Address–1F7[177]&3F6[376]; Offsets 7 &

Eh)

These registers return the card status when read by the host. Reading the Status Register clears

a pending interrupt while reading the Auxiliary Status Register does not. The meaning of the

status bits are described as follows:

BUSY

RDY

DWF

DSC

DRQ

CORR

ERR

Bit

Name

Description

BUSY

Set when the CompactFlash Card has access to the command buffer and

registers and the host is locked out from accessing the command register

and buffer. No other bits in this register are valid when this bit is set to a 1.

RDY

RDY indicates whether the device is capable of performing card operations.

This bit is cleared at power-up and remains cleared until card is ready to

accept a command.

DWF

DSC

DRQ

If set, indicates a write fault has occurred.

Set when the card is ready.

Set when the card requires that information be transferred either to or from

the host through the Data Register.

CORR

Set when a correctable data error has been encountered and the data has

been corrected. This condition does not terminate a multi-sector read

operation.

Always set to 0.

ERR

Set when the previous command has ended in some type of error. The bits

in the Error Register contain additional information describing the error.

4.5.10 Device Control Register (Address–3F6[376]; Offset Eh)

This register is used to control the CompactFlash Memory Card interrupt request and to issue

an ATA soft reset to the card. The bits are defined as follows:

SW Rst

-IEn

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ATA Register Set and Protocol

SanDisk CompactFlash Card OEM Product Manual

Device Control Register (con’t)

Bit

Name

Description

Don’t care.

Bit ignored by the card.

SW Rst

Set to 1 in order to force the card to perform an AT Disk controller Soft

Reset operation. This does not change the PCMCIA Card Configuration

registers as a hardware reset does. The card remains in Reset until this bit

is reset to “0”.

-IEn

Interrupt Enable bit enables interrupts when the bit is 0. When the bit is 1,

interrupts from the card are disabled. This bit also controls the Int bit in the

Configuration and Status Register. This bit is set to 0 at power on and

reset.

ERR

Bit ignored by the card.

4.5.11 Card (Drive) Address Register (Address–3F7[377]; Offset Fh)

This register is provided for compatibility with the AT disk drive interface. It is recommended

that this register not be mapped into the host's I/O space because of potential conflicts on Bit 7.

The bits are defined as follows:

-WTG

-HS3

-HS2

-HS1

-HS0

-nDS1

-nDS0

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SanDisk CompactFlash Card OEM Product Manual

ATA Register Set and Protocol

Card (Drive) Address Register (con’t)

Bit

Name

Description

This bit is unknown.

Implementation Note:

Conflicts may occur on the host data bus when this bit is provided by a

Floppy Disk Controller operating at the same addresses as the

CompactFlash Memory Card. Following are some possible solutions to this

problem for the PCMCIA implementation:

1. Locate the CompactFlash Memory Card at a non-conflicting address,

i.e., Secondary address (377) or in an independently decoded Address

Space when a Floppy Disk Controller is located at primary addresses.

2. Do not install a Floppy and a CompactFlash Memory Card in the system

at the same time

3. Implement a socket adapter that can be programmed to (conditionally)

tri-state D7 of I/0 address 3F7/377 when a CompactFlash Memory Card is

installed and conversely to tri-state D6-D0 of I/O address 3F7/377 when a

floppy controller is installed

4. Do not use the card's Drive Address Register. This may be accomplished

by either a) If possible, program the host adapter to enable only I/O

addresses 1F0-1F7, 3F6 (or 170-177, 176) to the card or

b) if provided use an additional primary/secondary configuration in the card

that does not respond to accesses to I/O locations 3F7 and 377. With either

of these implementations, the host software must not attempt to use

information in the Drive Address Register.

-WTG

-HS3

-HS2

-HS1

-HS0

-nDS1

-nDS0

This bit is 0 when a write operation is in progress, otherwise, it is 1.

This bit is the negation of bit 3 in the Drive/Head Register.

This bit is the negation of bit 2 in the Drive/Head Register.

This bit is the negation of bit 1 in the Drive/Head Register.

This bit is the negation of bit 0 in the Drive/Head Register.

This bit is 0 when drive 1 is active and selected.

This bit is 0 when the drive 0 is active and selected.

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ATA Register Set and Protocol

SanDisk CompactFlash Card OEM Product Manual

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02/07, Rev. 12.0

4-10

CHAPTER 5

ATA Command Description

This section defines the software requirements and the format of commands the host sends to

CompactFlash Memory cards. Commands are issued to the card by loading the required

registers in the command block with the supplied parameters, and then writing the command

code to the Command Register. The manner in which a command is accepted varies. There are

three classes (see Table 5-1) of command acceptance, all dependent on the host not issuing

commands unless the card is not busy. (The BUSY bit in the status and alternate status registers

is 0.)

•

Upon receipt of a Class 1 command, the card sets the BUSY bit within 400 nsec.

Upon receipt of a Class 2 command, the card sets the BUSY bit within 400 nsec, sets up the

sector buffer for a write operation, sets DRQ within 700 µsec, and clears the BUSY bit

within 400 nsec of setting DRQ.

•

Upon receipt of a Class 3 command, the card sets the BUSY bit within 400 nsec, sets up the

sector buffer for a write operation, sets DRQ within 20 msec (assuming no re-assignments),

and clears the BUSY bit within 400 nsec of setting DRQ.

5.1

ATA Command Set

Table 5-1 summarizes the ATA command set with the paragraphs that follow describing the

individual commands and the task file for each.

Table 5-1

Primary and Secondary I/O Decoding

Class

Command

Check Power Mode

Code

E5h or 98h

90h

LBA

Execute Drive Diagnostic

Erase Sector(s)^a

Format Track

C0h

50h

Identify Device

Idle

ECh

E3h or 97h

E1h or 95h

91h

Idle Immediate

Initialize Drive Parameters

Read Buffer

E4h

Read DMA

C8 or C9

C4h

Read Multiple

Read Long Sector

Read Sector(s)

Read Verify Sector(s)

Recalibrate

22h or 23h

20h or 21h

40h or 41h

1Xh

Request Sense^b

Seek

03h

7Xh

EFh

Set Features

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ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

Table 5-1

Primary and Secondary I/O Decoding

Class

Command

Set Multiple Mode

Code

C6h

LBA

Set Sleep Mode

Stand By

E6h or 99h

E2h or 96h

E0h or 94h

87h

Stand By Immediate

Translate Sector^b

Wear Level^b

Write Buffer

F5h

E8h

Write DMA

CA or CB

32h or 33h

C5h

Write Long Sector

Write Multiple

Write Multiple w/o Erase^a

Write Sector(s)

CDh

30h or 31h

38h

Write Sector(s) w/o Erase^a

Write Verify

3Ch

a. These commands are not standard PC Card ATA commands and these features are no longer sup-

ported with the introduction of 256 Mbit Flash Technology. If one of these commands is issued, the

sectors will be erased but there will be no net gain in write performance when using the Write Without

Erase command.

b. These commands are not standard PC Card ATA commands but provide additional functionality.

ABBREVIATION KEY

LBA

Features Register

Sector Count Register

Sector Number Register

Cylinder Registers

Card/Drive/Head Register

Logical Block Address Mode Supported

The register contains a valid parameter for this command. For the Drive/Head Register, both the

CompactFlash Card and head parameters are used

The register contains a valid parameter for this command. For the Drive/Head Register, only the

CompactFlash Card parameter is valid and not the head parameter

5.1.1

Check Power Mode–98H, E5H

This command checks the power mode.

If the CompactFlash Card is in, going to, or recovering from the sleep mode, it sets BSY, sets

the Sector Count Register to 00h, clears BSY and generates an interrupt.

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SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

If the card is in Idle mode, it sets BSY, sets the Sector Count Register to FFh, clears BSY and

generates an interrupt.

Table 5-2

Check Power Mode

Bit

Command (7)

E5H or 98H

C/D/H (6)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Drive

5.1.2

Execute Drive Diagnostic–90H

This command performs the internal diagnostic tests implemented by the CompactFlash cards.

Table 5-3 Execute Drive Diagnostic

Bit

Command (7)

C/D/H (6)

90H

Drive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

The Diagnostic codes shown in Table 5-4 are returned in the Error Register at the end of the

command.

Table 5-4

Diagnostic Codes

Code

01h

02h

03h

04h

05h

8Xh

Error Type

No error detected

Formatter device error

Sector buffer error

ECC circuitry error

Controlling microprocessor error

Slave failed (True IDE Mode)

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ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

5.1.3

Erase Sector(s)–C0H

This command is no longer recommended. There is essentially no net gain in the use of the

Erase Sectors Command and/or the Write Without Erase Commands. This command is

supported to guarantee backward compatibility.

Table 5-5

Erase Sectors

Bit

Command (7)

C/D/H (6)

C0H

Drive

LBA

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

Sector Number (LBA 7-0)

5.1.4

Format Track–50H

This command writes the desired head and cylinder of the selected drive with an FFh pattern.

To remain host backward compatible, the card expects a sector buffer of data from the host to

follow the command with the same protocol as the Write Sector(s) command although the

information in the buffer is not used by the card. If LBA=1 then the number of sectors to

format is taken from the Sec Cnt register (0=256).

NOTE: The Format Track command in Table 5-6 is no longer recommended.

The command is supported to guarantee backward compatibility.

Table 5-6

Format Track

Bit

Command (7)

C/D/H (6)

50H

LBA

Drive

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

X (LBA 7-0)

Count (LBA mode only)

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5-4

SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

5.1.5

Identify Device–ECH

The Identify Drive command enables the host to receive parameter information from a

CompactFlash Memory Card. This command has the same protocol as the Read Sector(s)

command. The parameter words in the buffer have the arrangement and meanings defined in

Table 5-8. All reserved bits or words are “0”.

Table 5-7

Identify Device

Bit

Command (7)

C/D/H (6)

ECH

Drive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Table 5-8 is the definition for each field in the Identify Device Information.

Table 5-8

Identify Device Information

Word

Address

Default Value

Total Bytes

Data Field Type Information

848Ah

General configuration bit-significant

information

XXXXh

0000h

XXXXh

0000h

XXXXh

Default number of cylinders

Reserved

Default number of heads

Number of unformatted bytes per track

Number of unformatted bytes per sector

Default number of sectors per track

7-8

Number of sectors per card (Word 7 = MSW,

Word 8 = LSW)

10-19

0000h

aaaa

Reserved

Serial number in ASCII (right justified)

Buffer type (dual ported)

Buffer size in 512 byte increments

0000h

0004h

Number of ECC bytes passed on Read/Write

Long Commands

23-26

27-46

aaa

aaaa

Firmware revision in ASCII (Rev M.ms) set by

code Big Endian Byte Order in Word

Model number in ASCII (left justified) Big

Endian Byte Order in Word

000Xh

Maximum No. of Sectors on Read/Write Multiple

command

0000h

Double-word not supported

0X00h^a

Capabilities: DMA Supported (bit 8), LBA

supported (bit 9)

0000h

Reserved

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Rev. 12.0, 02/07

ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

Table 5-8

Identify Device Information

Word

Address

Default Value

Total Bytes

Data Field Type Information

0200h

0000h

PIO data transfer cycle timing mode

Single word DMA data transfer cycle timing

mode (not supported)

0003h

XXXXh

Field validity

Current number of cylinders

Current number of heads

Current sectors per track

57-58

Current capacity in sectors (LBAs)

(Word 57 = LSW, Word 58 = MSW)

010Xh

Multiple sector setting is valid

60-61

XXXXh

Total number of sectors addressable in LBA

Mode

0000h

0X07h

Single word DMA transfer (not supported)

0-7: Multiword DMA modes supported

15-8: Multiword DMA mode active

0003h

Advanced PIO modes supported

0078h

(IDE Mode only)

Minimum multiword DMA transfer cycle time

per word in ns

0078h

(IDE Mode only)

Recommended multiword DMA transfer cycle

time per word in ns

0078h

0000h

00XXh

0000h

00X0h

4004h

4000h

0000h

0004h

4000h

0000h

XXXXh

Minimum PIO transfer without flow control

Minimum PIO transfer with IORDY flow control

Reserved

69-79

Major ATA version

Minor ATA version

Features/command sets supported

Features/command sets enabled

Ultra DMA Mode supported and selected

Time required for security erase-unit

completion

0000h

Time required for enhanced security erase-unit

completion

92-127

128-159

160

XXXXh

0000h

Current advanced power management value

Reserved

Reserved vendor-unique bytes

Power requirement description

Reserved for assignment by the CFA

Key management schemes supported

161

162

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5-6

SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

Table 5-8

Identify Device Information

Word

Address

Default Value

Total Bytes

Data Field Type Information

163

164

00XXh

CF Advanced True IDE Timing Mode

Capability and Setting

001Bh

CF Advanced PCMCIA I/O and Memory

Timing Mode Capability

165-175

176-255

0000h

Reserved for assignment by the CFA

Reserved

140

a. Multiword DMA is supported by SanDisk PCMCIA. For all unsupported cases, 0100H is reported in

word 49, and 0000H is reported in words 52, 63, and 65. CompactFlash products will support multi-

word.

Word 0: General Configuration. This field informs the host that this is a non-magnetic, hard

sectored, removable storage device with a transfer rate greater than 10 Mb/sec and is not MFM

encoded. CompactFlash products report 848AH in compliance with the CFA specification.

Word 1: Default Number of Cylinders. This field contains the number of translated

cylinders in the default translation mode. This value will be the same as the number of

cylinders.

Word 3: Default Number of Heads. This field contains the number of translated heads in the

default translation mode.

Word 4: Number of Unformatted Bytes per Track. This field contains the number of

unformatted bytes per translated track in the default translation mode.

Word 5: Number of Unformatted Bytes per Sector. This field contains the number of

unformatted bytes per sector in the default translation mode.

Word 6: Default Number of Sectors per Track. This field contains the number of sectors

per track in the default translation mode.

Words 7-8: Number of Sectors per Card. This field contains the number of sectors per

CompactFlash Memory Card. This double word value is also the first invalid address in LBA

translation mode.

Words 10-19: Memory Card Serial Number. The contents of this field are right justified

and padded with spaces (20h).

Word 20: Buffer Type. This field defines the buffer capability with the 0002h meaning a

dual ported multi-sector buffer capable of simultaneous data transfers to or from the host and

the CompactFlash Memory Card.

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ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

Word 21: Buffer Size. This field defines the buffer capacity of 2 sectors or 1 kilobyte of

SRAM.

Word 22: ECC Count. This field defines the number of ECC bytes used on each sector in the

Read and Write Long commands.

Words 23-26: Firmware Revision. This field contains the revision of the firmware for this

product.

Words 27-46: Model Number. This field contains the model number for this product and is

left justified and padded with spaces (20h).

Word 47: Read/Write Multiple Sector Count. This field contains the maximum number of

sectors that can be read or written per interrupt using the Read Multiple or Write Multiple

commands.

Word 48: Double Word Support. This field indicates this product will not support double

word transfers.

Word 49: Capabilities. This field indicates if this product supports DMA Data transfers and

LBA mode. All SanDisk products support LBA mode.

Word 51: PIO Data Transfer Cycle Timing Mode. To determine the proper device timing

category, compare the Cycle Time specified in Table 3-15 with the contents of this field with

Table 3-14.

t is the minimum total cycle time, t is the minimum command active time, and t is the

minimum command recovery time or command inactive time. The actual cycle time equals the

sum of the actual command active time and the actual command inactive time. The three

timing requirements of t , t , and t shall be met. The minimum total cycle time requirements

are greater than the sum of t and t i. This means a host implementation may lengthen either or

both t or t to ensure that t is equal to or greater than the value reported in the devices

IDENTIFY DEVICE data. A device implementation shall support any legal host

implementation.

The IORD-data tri-state parameter specifies the time from the negation edge of /IORD to the

time that the data bus is no longer driven by the device (tri-state).

NOTE: For backward compatibility with BIOS' written before Word 64 was

defined for advanced modes, a device reports in Word 51 the highest

original PIO mode it can support (i.e., PIO mode 0, 1 or 2).

Word 52: Single Word DMA Data Transfer Cycle Timing Mode. This field states this

product does not support any Single Word DMA data transfer mode.

02/07, Rev. 12.0

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SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

Word 53: Translation Parameters Valid. Bit 0 of this field is set, indicating that words 54 to

58 are valid and reflect the current number of cylinders, heads and sectors. Bit 1 is also set,

indicating values in words 64 through 70 are valid.

Words 54-56: Current Number of Cylinders, Heads, Sectors/Track. These fields contain

the current number of user addressable cylinders, heads, and sectors/track in the current

translation mode.

Words 57-58: Current Capacity . This field contains the product of the current cylinders x

heads x sectors.

Word 59: Multiple Sector Setting . This field contains a validity flag in the odd byte and the

current number of sectors that can be transferred per interrupt for R/W Multiple in the even

byte. The odd byte is always 01H, which indicates that the even byte is always valid.

The even byte value depends on the value set by the Set Multiple command. The even byte of

this word by default contains a 00H, which indicates that R/W Multiple commands are not

valid. The only other value returned by the CompactFlash Memory Card in the even byte is a

01H value, which indicates that 1 sector per interrupt, can be transferred in R/W Multiple

mode.

Words 60-61: Total Sectors Addressable in LBA Mode. This field contains the number of

sectors addressable for the CompactFlash Card in LBA mode only.

Word 64: Advanced PIO Transfer Modes Supported. Bits 0 and 1 of this field are set to

indicate support for PIO transfer modes 3 and 4, respectively.

Word 65: Minimum Multiword DMA Transfer Cycle Time per Word. Word 65 of the

parameter information of the IDENTIFY DEVICE command is defined as the Minimum

Multiword DMA Transfer Cycle Time Per Word. This field defines, in nanoseconds, the

minimum cycle time that the device can support when performing Multiword DMA transfers

on a per word basis.

Word 66: Recommended Multiword DMA Cycle Time. Word 66 of the parameter

information of the IDENTIFY DEVICE command is defined as the Recommended Multiword

DMA Transfer Cycle Time. This field defines, in nanoseconds, the minimum cycle time per

word during a single sector host transfer while performing a multiple sector READ DMA or

WRITE DMA commands over all locations on the media under minimal conditions. If a host

runs at a faster cycle rate by operating at a cycle time of less that this value, the device may

negate DMARQ for flow control. The rate at which DMARQ is negated could result in

reduced throughput despite the faster cycled rate. Transfer at this rate does not ensure that flow

control will not be used, but implies that higher performance may result.

Word 67: Minimum PIO Transfer Cycle Time Without Flow Control. This field indicates

in nanoseconds, the minimum cycle time that, if used by the host, the card guarantees data

integrity during the cycle without utilization of flow control.

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Rev. 12.0, 02/07

ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

Word 68: Minimum PIO Transfer Cycle Time With Flow Control. This field indicates in

nanoseconds, the minimum cycle time the card supports while performing data transfers using

flow control.

Words 82-84: Features/Command Sets Supported. Words 82, 83, and 84 indicate the

features and command sets supported. The value 0000h or FFFFh was placed in each of these

words by CompactFlash cards prior to ATA-3 and will be interpreted by the host as meaning

that features/command sets supported are not indicated. Bits 1 through 13 of Word 83, and bits

0 through 13 of Word 84 are reserved. Bit 14 of Word 83 and Word 84 will be set to "1," and

bit 15 of Word 83 and Word 84 will be cleared to zero which indicates that the features and

command sets supported words are valid. The values in these words should not be depended

on by host implementers.

Table 5-9

Word 82 Description

Bit

Setting

Indication

SMART feature set not supported

Security Mode feature set supported

Removable Media feature set not supported

Power Management feature set supported

Packet Command feature set not supported

Write cache supported

Look-ahead supported

Release Interrupt not supported

Service Interrupt not supported

Device Reset command not supported

Host Protected Area feature set not supported

Obsolete

---

Write Buffer command supported by CF Card

Read Buffer command supported by CF Card

NOP command supported by CF Card

Obsolete

---

Table 5-10 Word 83 Description

Bit

Setting

Indication

Download Microcode command not supported by CF Card

Read DMA Queued and Write DMA Queued commands not supported by CF

Card

CFA feature set supported by CF Card

Advanced Power Management feature set supported by CF Card

Removable Media Status feature set not supported by CF Card

Words 85-87: Features/Command Sets Enabled. Words 85, 86, and 87 indicates features/

command sets enabled. The value 0000h or FFFFh was placed in each of these words by

CompactFlash cards prior to ATA-4 and will be interpreted by the host as meaning that

features/command sets enabled are not indicated. Bits 1 through 15 of word 86 are reserved.

02/07, Rev. 12.0

5-10

SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

Bits 0-13 of word 87 are reserved. Bit 14 of word 87 will be set to one and bit 15 of word 87

will be cleared to zero to provide indication that the features/command sets enabled words are

valid. The values in these words should not be depended upon by host implementers.

Table 5-11 Word 85 Description

Bit

Setting

Indication

SMART feature set not enabled

Security Mode feature set enabled via the Security Set Password command

Removable Media feature set not supported

Power Management feature set supported

Packet Command feature set not enabled

Write cache enabled

Look-ahead enabled

Release Interrupt not enabled

Service Interrupt not enabled

Device Reset command not supported

Host Protected Area feature set not supported

Obsolete

---

Write Buffer command supported by CF Card

Read Buffer command supported by CF Card

NOP command supported by CF Card

Obsolete

---

Table 5-12 Word 86 Description

Bit

Setting

Indication

Download Microcode command not supported by CF Card

Read DMA Queued and Write DMA Queued commands not supported by CF

Card

CFA feature set supported by CF Card

Advanced Power Management feature set by Set Features command

Removable Media Status feature set not supported by CF Card

Word 163: CF Advanced True IDE Timing Mode Capabilities and Settings. This word

describes the capabilities and current settings for CFA defined advanced timing modes using

the True IDE interface.

There are four separate fields defined that describe support and selection of Advanced PIO

timing modes and Advanced Multiword DMA timing modes. The older modes are reported in

Word 63: Multiword DMA Transfer and and Word 64: Advanced PIO Transfer Modes

Supported.

5-11

Rev. 12.0, 02/07

ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

•

Bits 2-0: Advanced True IDE PIO Mode Support

Indicates the maximum True IDE PIO mode supported by the card.

Value

Maximum PIO Mode Timing Supported

Specified in Word 64

PIO Mode 5

PIO Mode 6

3-7

Reserved

•

Bits 5-3: Advanced True IDE Multiword DMA Mode Support

Indicates the maximum True IDE Multiword DMA mode supported by the card.

Value

Maximum Multiword DMA Mode Timing Supported

Specified in Word 63

Multiword DMA Mode 3

Multiword DMA Mode 4

3-7

Reserved

•

Bits 8-6: Advanced True IDE PIO Mode Selected

Indicates the current True IDE PIO mode selected on the card.

Value

Current PIO Timing Mode Selected

Specified in Word 64

PIO Mode 5

PIO Mode 6

Reserved

3-7

•

Bits 11-9: Advanced True IDE Multiword DMA Mode Selected

Indicates the current True IDE Multiword DMA Mode Selected on the card.

Value

Current Multiword DMA Timing Mode Selected

Specified in Word 63

Multiword DMA Mode 3

Multiword DMA Mode 4

3-7

Reserved

•

Bits 15-12: Reserved

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SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

Word 164: CF Advanced PCMCIA I/O and Memory Timing Mode Capabilities and Set-

tings. This word describes the capabilities and current settings for CFA defined advanced

timing modes using the Memory and PCMCIA I/O interface.

•

Bits 2-0: Maximum Advanced PCMCIA I/O Mode Support

Indicates the maximum I/O timing mode supported by the card.

Value

Maximum PCMCIA I/O Timing Mode Supported

255 ns Cycle PCMCIA I/O Mode

120 ns Cycle PCMCIA I/O Mode

100 ns Cycle PCMCIA I/O Mode

80 ns Cycle PCMCIA I/O Mode

Reserved

4-7

•

Bits 5-3: Maximum Memory Timing Mode Supported

Indicates the Maximum Memory timing mode supported by the card.

Value

Maximum Memory Timing Mode Supported

250 ns Cycle Memory Mode

120 ns Cycle Memory Mode

100 ns Cycle Memory Mode

80 ns Cycle Memory Mode

Reserved

4-7

•

Bits 15-6: Reserved

5.1.6

Idle–97H, E3H

This command causes the card to set BSY, enter the Idle (Read) mode, clear BSY and generate

an interrupt. If the sector count is non-zero, it is interpreted as a timer count with each count

being 5 milliseconds and the automatic power down mode is enabled. If the sector count is

zero, the automatic power down mode is disabled.

NOTE: This time base (5 msec) is different from the ATA specification.

Table 5-13 Idle

Bit

Command (7)

C/D/H (6)

E3H or 97H

Drive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Timer Count (5 ms increments)

5-13

Rev. 12.0, 02/07

ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

5.1.7

Idle Immediate–95H, E1H

This command causes the card to set BSY, enter the Idle (Read) mode, clear BSY and generate

an interrupt.

Table 5-14 Idle Immediate

Bit

Command (7)

C/D/H (6)

E1H or 95H

Drive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

5.1.8

Initialize Drive Parameters–91H

This command enables the host to set the number of sectors per track and the number of heads

per cylinder. Only the Sector Count and the Card/Drive/Head registers are used by this

command.

NOTE: SanDisk recommends not using this command in any system because

DOS determines the offset to the Boot Record based on the number

of heads and sectors per track. If a CompactFlash Memory Card is

"Formatted" with one head and sector per track value, the same card

will not operate correctly with DOS configured with another heads

and sectors per track value.

Table 5-15 Initialize Drive Parameters

Bit

Command (7)

C/D/H (6)

91H

Drive

Max. Head (no. of heads - 1)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Number of Sectors

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SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

5.1.9

Read Buffer–E4H

The Read Buffer command enables the host to read the current contents of the card's sector

buffer. This command has the same protocol as the Read Sector(s) command.

Table 5-16 Read Buffer

Bit

Command (7)

C/D/H (6)

E4H

Drive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

5.1.10 Read DMA Command–C8H, C9H

The Read DMA command in Table 5-17 executes in a similar manner to the READ

SECTOR(S) command except for the following:

•

The host initializes the DMA channel prior to issuing the command.

Data transfers are qualified by DMARQ and are performed by the DMA channel.

The device issues only one interrupt per command to indicate that data transfer has termi-

nated and status is available.

During the DMA transfer phase of a Read DMA command, the device provides status of the

BSY bit or the DRQ bit until the command is completed.

Table 5-17 Read DMA Command

Bit

Command (7)

C/D/H (6)

C8H or C9H

Drive

LBA

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

Sector Number (LBA 7-0)

Sector Count

5-15

Rev. 12.0, 02/07

ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

5.1.11 Read Multiple–C4H

The Read Multiple command performs similarly to the Read Sectors command. Interrupts are

not generated on every sector, but on the transfer of a block, which contains the number of

sectors defined by a Set Multiple, command.

Table 5-18 Read Multiple

Bit

Command (7)

C/D/H (6)

C4H

Drive

LBA

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

Sector Number (LBA 7-0)

Sector Count

Command execution is identical to the Read Sectors operation except that the number of

sectors defined by a Set Multiple command is transferred without intervening interrupts. DRQ

qualification of the transfer is required only at the start of the data block, not on each sector.

The block count of sectors to be transferred without intervening interrupts is programmed by

the Set Multiple Mode command, which must be executed prior to the Read Multiple

command. When the Read Multiple command is issued, the Sector Count Register contains the

number of sectors (not the number of blocks or the block count) requested. If the number of

requested sectors is not evenly divisible by the block count, as many full blocks as possible are

transferred, followed by a final, partial block transfer. The partial block transfer is for n

sectors, where: n = (sector count)-module (block count).

If the Read Multiple command is attempted before the Set Multiple Mode command has been

executed or when Read Multiple commands are disabled, the Read Multiple operation is

rejected with an Aborted Command error. Disk errors encountered during Read Multiple

commands are posted at the beginning of the block or partial block transfer, but DRQ is still

set and the data transfer will take place as it normally would, including transfer of corrupted

data, if any.

Interrupts are generated when DRQ is set at the beginning of each block or partial block. The

error reporting is the same as that on a Read Sector(s) Command. This command reads from 1

to 256 sectors as specified in the Sector Count register. A sector count of 0 requests 256

sectors. The transfer begins at the sector specified in the Sector Number Register.

At command completion, the Command Block registers contain the cylinder, head and sector

number of the last sector read.

If an error occurs, the read terminates at the sector where the error occurred. The Command

Block registers contain the cylinder, head and sector number of the sector where the error

occurred. The flawed data is pending in the sector buffer.

Subsequent blocks or partial blocks are transferred only if the error was a correctable data

error. All other errors cause the command to stop after transfer of the block that contained the

error.

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SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

5.1.12 Read Long Sector–22H, 23H

The Read Long command performs similarly to the Read Sector(s) command except that it

returns 516 bytes of data instead of 512 bytes. During a Read Long command, the card does

not check the ECC bytes to determine if there has been a data error. Only single sector read

long operations are supported. The transfer consists of 512 bytes of data transferred in word

mode followed by 4 bytes of random data transferred in byte mode. Random data is returned

instead of ECC bytes because of the nature of the ECC system used. This command has the

same protocol as the Read Sector(s) command.

Table 5-19 Read Long Sector

Bit

Command (7)

C/D/H (6)

22H or 23H

Drive

LBA

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

Sector Number (LBA 7-0)

5.1.13 Read Sector(s)–20H, 21H

This command reads from 1 to 256 sectors as specified in the Sector Count Register. A sector

count of 0 requests 256 sectors. The transfer begins at the sector specified in the Sector

Number Register. When this command is issued and after each sector of data (except the last

one) has been read by the host, the CompactFlash card sets BSY, puts the sector of data in the

buffer, sets DRQ, clears BSY, and generates an interrupt. The host then reads the 512 bytes of

data from the buffer.

At command completion, the Command Block registers contain the cylinder, head and sector

number of the last sector read. If an error occurs, the read terminates at the sector where the

error occurred. The Command Block registers contain the cylinder, head, and sector number of

the sector where the error occurred. The flawed data is pending in the sector buffer.

Table 5-20 Read Sector(s)

Bit

Command (7)

C/D/H (6)

20H or 21H

Drive

LBA

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

Sector Number (LBA 7-0)

Sector Count

5.1.14 Read Verify Sector(s)–40H, 41H

This command is identical to the Read Sectors command, except that DRQ is never set and no

data is transferred to the host. When the command is accepted, the card sets BSY.

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Rev. 12.0, 02/07

ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

When the requested sectors have been verified, the card clears BSY and generates an interrupt.

Upon command completion, the Command Block registers contain the cylinder, head, and

sector number of the last sector verified.

If an error occurs, the verify terminates at the sector where the error occurs. The Command

Block registers contain the cylinder, head and sector number of the sector where the error

occurred. The Sector Count Register contains the number of sectors not yet verified.

Table 5-21 Read Verify Sector(s)

Bit

Command (7)

C/D/H (6)

40H or 41H

Drive

LBA

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

Sector Number (LBA 7-0)

Sector Count

5.1.15 Recalibrate–1XH

This command is effectively a NOP command to the CompactFlash Memory Card and is

provided for compatibility purposes. After this command is executed the Cyl High and Cyl

Low as well as the Head number will be 0 and Sec Num will be 1 if LBA=0 and 0 if LBA=1

(i.e., the first block in LBA is 0 while CHS mode the sector number starts at 1).

Table 5-22 Recalibrate

Bit

Command (7)

C/D/H (6)

1XH

Drive

LBA

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

5.1.16 Request Sense–03H

This command requests an extended error code after a command ends with an error.

Table 5-23 Request Sense

Bit

Command (7)

C/D/H (6)

03H

Drive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

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SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

Table 5-24 defines the valid extended error codes for the CompactFlash Memory Card Series

product. The extended error code is returned to the host in the Error Register. This command

must be the next command issued to the card following the command that returned an error.

Table 5-24 Extended Error Codes

Extended Error Code

Description

00h

No error detected

Self test OK (no error)

Miscellaneous error

Invalid command

01h

09h

20h

21h

Invalid address (requested head or sector invalid)

Address overflow (address too large)

Supply or generated voltage out of tolerance

Uncorrectable ECC error

2Fh

35h, 36h

11h

18h

Corrected ECC error

05h, 30-34h, 37h, 3Eh

Self test or diagnostic failed

ID not found

10h, 14h

3Ah

Spare sectors exhausted

1Fh

0Ch, 38h, 3Bh, 3Ch, 3Fh

03h

Data transfer error/aborted command

Corrupted media format

Write/erase failed

5.1.17 Seek–7XH

This command is effectively a NOP command to the card although it does perform a range

check of cylinder and head or LBA address and returns an error if the address is out of range.

Table 5-25 Seek

Bit

Command (7)

C/D/H (6)

7XH

Drive

LBA

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

Sector Number (LBA 7-0)

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Rev. 12.0, 02/07

ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

5.1.18 Set Features–EFH

This command is used by the host to establish or select certain features.

Table 5-26 Set Features

Bit

Command (7)

C/D/H (6)

EFH

Drive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Config

Feature

Table 5-27 defines all features that are supported. The 9AH feature is unique to CompactFlash

Memory cards and are not part of the ATA Specification.

Table 5-27 Features Supported

Feature

01h

Operation

Enable 8-bit data transfer

Enable Write Cache

02h

03h

Set Transfer Mode based on value and Sector Count register.

Disable Read Look Ahead

55h

66h

Disable Power on Reset (POR) establishment of defaults at Soft Reset

69h

Accepted for backward compatibility with the SDP Series but has no

impact on the CF Memory Card.

81h

96h

Disable 8-bit data transfer

Accepted for backward compatibility with the SDP Series but has no

impact on the CF Memory Card

9Ah

Accepted for backward compatibility with the SDP Series but has no

impact on the CF Memory Card

BBh

CCh

4 bytes of data apply on Read/Write Long commands

Enable Power on Reset (POR) establishment of defaults at Soft Reset.

Features 01H and 81H are used to enable and clear 8-bit data transfer mode. If the 01H feature

command is issued, all data transfers will occur on the low order D7-D0 data bus and the

IOIS16 signal will not be asserted for data register accesses.

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SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

A host can choose the transfer mechanism by Set Transfer Mode and specifying a value in the

Sector Count register. The upper 5 bits define the type of transfer and the low order 3 bits

encode the mode value.

Mode

PIO Default Transfer Mode

PIO Flow Control Transfer Mode x

Multiword DMA Mode x

Reserved

Value

00000 00d

00001 nnn

00100 nnn

01000 nnn

10000 nnn

Reserved

Where “nnn” is a valid mode number in binary; “x” is the mode number in decimal for

the associated transfer type; and “d” is ignored.

Features 55H and BBH are the default features for CompactFlash cards; thus, the host does not

have to issue this command with these features unless it is necessary for compatibility reasons.

The 9AH Feature is accepted for backward compatibility with the SDP Series but has no

impact on the card. SanDisk does not recommend the use of this command in new designs.

Features 66H and CCH can be used to enable and disable whether the Power On Reset (POR)

Defaults will be set when a soft reset occurs. The default setting is to revert to the POR

defaults when a soft reset occurs. POR defaults the number of heads and sectors along with 16

bit data transfers and the read/write multiple block count.

5.1.19 Set Multiple Mode–C6H

This command enables the card to perform Read and Write Multiple operations and establishes

the block count for these commands. The Sector Count Register is loaded with the number of

sectors per block. The current version of the card supports only a block size of 1 sector per

block. Future versions may support larger block sizes. Upon receipt of the command, the card

sets BSY to 1 and checks the Sector Count Register.

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ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

If the Sector Count Register contains a valid value and the block count is supported, the value

is loaded for all subsequent Read Multiple and Write Multiple commands and execution of

those commands is enabled. If a block count is not supported, an Aborted Command error is

posted, and Read Multiple and Write Multiple commands are disabled. If the Sector Count

disabled. At power on, or after a hardware or (unless disabled by a Set Feature command)

software reset, the default mode is Read and Write Multiple disabled.

Table 5-28 Set Multiple Mode

Bit

Command (7)

C/D/H (6)

C6H

Drive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Sector Count

5.1.20 Set Sleep Mode–99H, E6H

This command causes the card to set BSY, enter the Sleep mode, clear BSY and generate an

interrupt. Recovery from sleep mode is accomplished by simply issuing another command (a

reset is permitted but not required). Sleep mode is also entered when internal timers expire so

the host does not need to issue this command except when it wishes to enter Sleep mode

immediately. The default value for the read to sleep timer is 5 milliseconds. This time base (5

msec) is different from the ATA Specification.

Table 5-29 Set Multiple Mode

Bit

Command (7)

C/D/H (6)

99H or E6H

Drive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

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SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

5.1.21 Standby–96H, E2H

This command causes the card to set BSY, enter the Sleep mode (which corresponds to the

ATA "Standby" Mode), clear BSY and return the interrupt immediately. Recovery from sleep

mode is accomplished by simply issuing another command (reset is not required).

Table 5-30 Standby

Bit

Command (7)

C/D/H (6)

E2H or 96H

Drive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

5.1.22 Standby Immediate–94H, E0H

This command causes the card to set BSY, enter the Sleep mode (which corresponds to the

ATA "Standby" Mode), clear BSY and return the interrupt immediately. Recovery from sleep

mode is accomplished by simply issuing another command (reset is not required).

Table 5-31 Standby Immediate

Bit

Command (7)

C/D/H (6)

E0H or 94H

Drive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

5.1.23 Translate Sector–87H

When this command is issued, the controller responds with a 512-byte buffer of information

on the desired cylinder, head and sector with the actual Logical Address.

Table 5-32 Translate Sector

Bit

Command (7)

C/D/H (6)

87H

LBA

Drive

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

Sector Number (LBA 7-0)

5-23

Rev. 12.0, 02/07

ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

Table 5-33 represents the information in the buffer. This command is unique to SanDisk

CompactFlash Memory cards.

Table 5-33 Translate Sector Information

Address

Information

Head

01-02

Cylinder

Sector

LBA

04-07

Chip

09-0A

Block

Page

0C-1FF

Reserved

5.1.24 Wear Level–F5H

This command is effectively a NOP command and only implemented for backward

compatibility with earlier SanDisk SDP series products. The Sector Count Register will

always be returned with an 00H indicating Wear Level is not needed.

Table 5-34 Wear Level

Bit

Command (7)

C/D/H (6)

F5H

Drive

Flag

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Completion Status

5.1.25 Write Buffer–E8H

The Write Buffer command enables the host to overwrite contents of the card's sector buffer

with any data pattern desired. This command has the same protocol as the Write Sector(s)

command and transfers 512 bytes.

Table 5-35 Write Buffer

Bit

Command (7)

C/D/H (6)

E8H

Drive

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

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SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

5.1.26 Write DMA Command–CAH, CBH

The Write DMA command in Table 5 33 executes in a similar manner to WRITE SECTOR(S)

except for the following:

•

The host initialised the DMA channel prior to issuing the command.

Data transfers are qualified by DMARQ and are performed by the DMA channel.

The device issues only one interrupt per command to indicate that data transfer has termi-

nated and status is available.

During the execution of a Write DMA command, the device provides status of the BSY bit or

the DRQ bit until the command is completed.

Table 5-36 Write DMA Command

Bit

Command (7)

C/D/H (6)

CAH or CBH

Drive

LBA

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

Sector Number (LBA 7-0)

Sector Count

5.1.27 Write Long Sector–32H, 33H

This command is provided for compatibility purposes and is similar to the Write Sector(s)

command except that it writes 516 bytes instead of 512 bytes. Only single sector Write Long

operations are supported. The transfer consists of 512 bytes of data transferred in word mode

followed by 4 bytes of ECC transferred in byte mode. Because of the unique nature of the

solid-state CompactFlash Memory Card, the four bytes of ECC transferred by the host cannot

be used by it. The card discards these four bytes and writes the sector with valid ECC fields.

This command has the same protocol as the Write Sector(s) command.

Table 5-37 Write Long Sector

Bit

Command (7)

C/D/H (6)

32H or 33H

Drive

LBA

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

Sector Number (LBA 7-0)

5.1.28 Write Multiple Command–C5H

This command is similar to the Write Sectors command. The card sets BSY within 400 nsec of

accepting the command. Interrupts are not presented on each sector but on the transfer of a

block that contains the number of sectors defined by Set Multiple. Command execution is

identical to the Write Sectors operation except that the number of sectors defined by the Set

Multiple command is transferred without intervening interrupts.

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Rev. 12.0, 02/07

ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

DRQ qualification of the transfer is required only at the start of the data block, not on each

sector. The block count of sectors to be transferred without intervening interrupts is

programmed by the Set Multiple Mode command, which must be executed prior to the Write

Multiple command.

Table 5-38 Write Multiple Command

Bit

Command (7)

C/D/H (6)

C5H

Drive

LBA

Head

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High

Cylinder Low

Sector Number

Sector Count

When the Write Multiple command is issued, the Sector Count Register contains the number

of sectors (not the number of blocks or the block count) requested. If the number of requested

sectors is not evenly divisible by the sector/block, as many full blocks as possible are

transferred, followed by a final, partial block transfer. The partial block transfer is for n

sectors, where: n = remainder (sector count/block count).

If the Write Multiple command is attempted before the Set Multiple Mode command has been

executed or when Write Multiple commands are disabled, the Write Multiple operation will be

rejected with an aborted command error.

Errors encountered during Write Multiple commands are posted after the attempted writes of

the block or partial block transferred. The Write command ends with the sector in error, even if

it is in the middle of a block. Subsequent blocks are not transferred in the event of an error.

Interrupts are generated when DRQ is set at the beginning of each block or partial block.

The Command Block registers contain the cylinder, head and sector number of the sector

where the error occurred and the Sector Count Register contains the residual number of sectors

that need to be transferred for successful completion of the command e.g., each block has 4

sectors, a request for 8 sectors is issued and an error occurs on the third sector. The Sector

Count Register contains 6 and the address is that of the third sector.

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SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

5.1.29 Write Multiple without Erase–CDH

SanDisk does not recommend the use of this command in new designs but it is supported as a

normal Write Sectors command for backward compatibility reasons.

Table 5-39 Write Multiple w/out Erase

Bit

Command (7)

C/D/H (6)

CDH

Drive

LBA

Head

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High

Cylinder Low

Sector Number

Sector Count

5.1.30 Write Sector(s)–30H, 31H

This command writes from 1 to 256 sectors as specified in the Sector Count Register. A sector

count of zero requests 256 sectors. The transfer begins at the sector specified in the Sector

Number Register. When this command is accepted, the card sets BSY, then sets DRQ and

clears BSY, then waits for the host to fill the sector buffer with the data to be written. No

interrupt is generated to start the first buffer fill operation. No data should be transferred by the

host until BSY has been cleared by the host.

For multiple sectors, after the first sector of data is in the buffer, BSY will be set and DRQ will

be cleared. After the next buffer is ready for data, BSY is cleared, DRQ is set and an interrupt

is generated. When the final sector of data is transferred, BSY is set and DRQ is cleared. It will

remain in this state until the command is completed at which time BSY is cleared and an

interrupt is generated.

If an error occurs during a write of more than one sector, writing terminates at the sector where

the error occurs. The Command Block registers contain the cylinder, head and sector number

of the sector where the error occurred. The host may then read the command block to

determine what error has occurred, and on which sector.

Table 5-40 Write Sector(s)

Bit

Command (7)

C/D/H (6)

30H or 31H

Drive

LBA

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

Sector Number (LBA 7-0)

Sector Count

5-27

Rev. 12.0, 02/07

ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

5.1.31 Write Sector(s) without Erase–38H

SanDisk does not recommend the use of this command in new designs but it is supported as a

normal Write Sectors command for backward compatibility reasons.

Table 5-41 Write Sector(s) w/out Erase

Bit

Command (7)

C/D/H (6)

38H

LBA

Drive

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

Sector Number (LBA 7-0)

Sector Count

5.1.32 Write Verify Sector(s)–3CH

This command writes from 1 to 256 sectors as specified in the Sector Count Register. A sector

count of zero requests 256 sectors. The transfer begins at the sector specified in the Sector

Number Register. When this command is accepted, the card sets BSY, then sets DRQ and

clears BSY, then waits for the host to fill the sector buffer with the data to be written. No

interrupt is generated to start the first buffer fill operation. No data should be transferred by the

host until BSY has been cleared by the host.

For multiple sectors, after the first sector of data is in the buffer, BSY will be set and DRQ will

be cleared. After the next buffer is ready for data, BSY is cleared, DRQ is set and an interrupt

is generated. When the final sector of data is transferred, BSY is set and DRQ is cleared. It will

remain in this state until the command is completed at which time BSY is cleared and an

interrupt is generated.

Table 5-42 Write Verify Sector(s)

Bit

Command (7)

C/D/H (6)

3CH

Drive

LBA

Head (LBA 27-24)

Cyl High (5)

Cyl Low (4)

Sec Num (3)

Sec Cnt (2)

Feature (1)

Cylinder High (LBA 23-16)

Cylinder Low (LBA 15-8)

Sector Number (LBA 7-0)

Sector Count

If an error occurs during a write of more than one sector, writing terminates at the sector where

the error occurs. The Command Block registers contain the cylinder, head and sector number

of the sector where the error occurred. The host may then read the command block to

determine what error has occurred, and on which sector.

02/07, Rev. 12.0

5-28

SanDisk CompactFlash Card OEM Product Manual

ATA Command Description

5.2

Error Posting

Table 5-43 summarizes the valid status and error value for all the ATA command set.

Table 5-43 Error and Status Register

Error Register

Status Register

Command

Check Power Mode

Execute Drive Diagnostic

Erase Sector(s)

Format Track

BBK

UNC

IDNF

ABRT

AMNF

DRDY

DWF

DSC

CORR

ERR

Identify Device

Idle

Idle Immediate

Initialize Drive Parameters

Read Buffer

Read DMA^b

Read Multiple

-V

Read Long Sector

Read Sector(s)

Read Verify Sectors

Recalibrate

Request Sense

Seek

Set Features

Set Multiple Mode

Set Sleep Mode

Standby

Standby Immediate

Translate Sector

Wear Level

Write Buffer

Write DMA

Write Long Sector

Write Multiple

Write Multiple w/o Erase

Write Sector(s)

Write Sector(s) w/o Erase

Write Verify Sector(s)

Invalid Command Code

a. V = Valid on this command.

b. CompactFlash products support multiword DMA.

5-29

Rev. 12.0, 02/07

ATA Command Description

SanDisk CompactFlash Card OEM Product Manual

–This page intentionally left blank–

02/07, Rev. 12.0

5-30

CHAPTER 6

CIS Description

This section describes the Card Information Structure (CIS) for SanDisk CompactFlash

Memory cards.

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Data

01h

Content Description

Device Info Tuple

Link is 4 bytes

Function

000h

002h

CISTPL_DEVICE

Tuple Code

04h

Link to

next tuple

004h

006h

DFh

12h

Dev ID Type

Dh = I/O

Speed

I/O Device, Wait State,

Extended Speed

Device ID,

WPS, Speed

7h = Ext

Speed Exponent = 2h

Extended

Speed

Speed Mantissa = 2h

120 ns if no wait

80 ns if no wait

79h

Extreme III

01h

Speed Exponent = 1h

Extended

Speed

Speed Mantissa = Fh

008h

# Address Unit – 1 = 1x

Side Code = 2k units

(One) 2 kB of Address

Space

Device Size

00Ah

00Ch

FFh

1Ch

List End Marker

CISTPL_DEVICE_OC

End of Devices

End Marker

Tuple Code

Other Conditions

Info Tuple

00Eh

010h

04h

03h

Link is 4 Bytes

Link to Next

Tuple

Reserved = 0

Conditions: 3V operation

is allowed and WAIT

is used

3 V Operation,

Wait Function

012h

D9h

DevID Type

Dh = I/O

Speed = 1h

I/O Device, WPS,

Speed = 250 ns

Device ID,

WPS, Speed

014h

016h

018h

01h

FFh

18h

# Address Unit – 1 = 1x

Side Code = 2k units

2 kB of Address Space

End of Devices

Device Size

End Marker

Tuple Code

List End Marker

CISTPL_JEDEC_C

JEDEC ID

Common Memory

01Ah

01Ch

02h

Link is 2 bytes

Link Length

DFh

PCMCIA JEDEC Manufacturer’s ID

First byte of JEDEC ID

for SanDisk PC Card

ATA 12V

Byte 1,

JEDEC ID of

Device 1

(0-2K)

01Eh

01h

PCMCIA Code for PC Card-ATA No Vpp Required

CISTPL_MANFID

Second Byte of

JEDEC ID

Byte 2,

JEDEC ID

020h

022h

024h

20h

04h

45h

Manufacturer’s ID Tuple

Link is 4 bytes

Tuple Code

Link Length

Low Byte of PCMCIA Manufacturer’s Code

SanDisk JEDEC

Manufacturer’s ID

Low Byte of

PCMCIA

Mfg ID

6-1

Rev. 12.0, 02/07

CIS Description

SanDisk CompactFlash Card OEM Product Manual

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Function

Data

Content Description

026h

00h

High Byte of PCMCIA Manufacturer’s Code

Code of 0 because other

byte is JEDEC 1 byte

Manufacturer’s ID

High Byte of

PCMCIA

Mfg ID

028h

02Ah

02Ch

02Eh

01h

04h

15h

17h

Low Byte of Product Code

High Byte of Product Code

CISTPL_VER_1

SanDisk Code for

SDP Series

Low Byte

Product Code

SanDisk Code for

PC Card ATA

High Byte

Product Code

Level 1 Version/Product

Info

Tuple Code

Link Length

Link to next tuple is

23 bytes

030h

032h

034h

036h

04h

01h

53h

61h

TPPLV1_MAJOR

TPPLV1_MINOR

PCMCIA 2.0/JEIDA 4.1

‘S’

Major Version

Minor Version

String 1

ASCII Manufacturer String

‘a’

038h

03Ah

03Ch

03Eh

040h

042h

044h

046h

048h

04Ah

04Ch

04Eh

050h

052h

054h

056h

058h

05Ah

05Ch

6Eh

44h

69h

73h

6Bh

00h

53h

44h

50h

00h

35h

2Fh

33h

20h

30h

2Eh

36h

00h

FFh

‘n’

‘D’

‘i’

‘s’

‘k’

End of Manufacturer String

ASCII Product Name String

Null Terminator

‘S’

Info String 2

Info String 3

‘D’

‘P’

End of Product Name String

Null Terminator

‘5’

‘/’

‘3’

‘ ‘

SanDisk Card CIS Revision Number

‘0’

‘.’

‘6’

End of CIS Revision Number

End of List Marker

Null Terminator

FFh List Terminator

No Info

String 4

05Eh

060h

80h

03h

CISTPL_VEND_SPECIF_80

(Field Bytes 3-4 taken as 0)

SanDisk Parameters

Tuple

Tuple Code

Link Length is 3 Bytes

Link to Next

Tuple and

Length of Info

in this Tuple

02/07, Rev. 12.0

6-2

SanDisk CompactFlash Card OEM Product Manual

CIS Description

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Function

Data

Content Description

062h

14h

R I A

R I R

No Wear Level & NO

Vpp

SanDisk

Fields, 1 to 4

Bytes limited

by link length

W: No Wear Level

12: Vpp not used on

Write

NI: -INPACK connected

PP: Programmable

Power

PDNA: Pwr Down Not

Abort--Cmd

RIA: RBsy, ATBsy con-

nected

RIR: RBsy Inhibited at

Reset

SP: No Security Present

This definition applies

only to cards with

Manufacturer's ID tuple

1st 3 bytes 45 00 01.

064h

08h

TPR

TAR

R8: 8 bit ROM present

SanDisk

Fields, 1 to 4

bytes limited

by link length

TAR: Temp Bsy on AT

Reset

TPR: Temp Bsy on

PCMCIA – Reset

E: Erase Ahead Avail-

able

R: Reserved, 0 for now

This definition applies

only to cards with

Manufacturer's ID tuple

1st 3 bytes 45 00 01.

066h

00h

For specific

platform

use only

068h

06Ah

21h

02h

CISTPL_FUNCID

Function ID Tuple

Tuple Code

Link Length is 2 Bytes

Link to

Next Tuple

06Ch

06Eh

04h

01h

Disk Function

Function

Code

Function Type Code

Attempt installation

at POST:

P: Install at POST

R: Reserved (0)

070h

072h

22h

02h

CISTPL_FUNCE

Function

Tuple Code

Extension Tuple

Link Length is 2 Bytes

Link to

Next Tuple

6-3

Rev. 12.0, 02/07

CIS Description

SanDisk CompactFlash Card OEM Product Manual

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Function

Data

Content Description

074h

01h

Extension Tuple

describes the Interface

Protocol

Extension

Tuple Type

for Disk

Disk Function Extension Tuple Type

076h

01h

PC Card–ATA Interface

Extension Info

Interface Type Code

CISTPL_FUNCE

078h

07Ah

22h

03h

Function Extension tuple

Tuple has 3 Info Bytes

Tuple Code

Link Length

07Ch

02h

Basic PCMCIA-ATA

Extension Tuple

Extension

Tuple Type

for Disk

Disk Function Extension Tuple Type

07Eh

0Ch

Unique Manufacturer/

Serial Number com-

bined string:

Basic ATA

Option

Parameters

V = 0: No Vpp Required

V = 1: Vpp on Modified

Media

V = 2: Vpp on Any

Operation

V = 3: Vpp Continuous

S: Silicon, else Rotating

Drive

U: ID Drive Mfg/SN

Unique

080h

0Fh

All power-down modes

and power commands

are not needed to

Extended

ATA Option

Parameters

minimize power.

P0: Sleep Mode

Supported

P1: Standby Mode

Supported

P2: Idle Mode

Supported

P3: Drive Auto Power

Control

N: Some Config

Excludes 3X7

E: Index Bit is Emulated

I: Twin–-IOis16 Data

Reg Only

082h

084h

1Ah

05h

CISTPL_CONF

Configuration Tuple

Tuple Code

Link Length is 5 Bytes

Link to

Next Tuple

02/07, Rev. 12.0

6-4

SanDisk CompactFlash Card OEM Product Manual

CIS Description

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Data

RAS

Content Description

Function

086h

01h

RFS

RMS

Size of Reserved Field

is 0 Bytes

Size of

Fields Byte

(TPCC_SZ)

Size of Register Mask

is 1 Byte

Size of Config Base

Address is 2 Bytes

RFS: Bytes in

Reserved Field

RMS: Bytes in

Reg Mask–1

RAS: Bytes in

Base Addr–1

088h

07h

TPCC_LAST

Entry with Config Index

07h is final entry in table

Last Entry of

Config. Table

08Ah

08Ch

00h

02h

TPCC_RADR (LSB)

TPCC_RADR (MSB)

Configuration Registers

locatedat200h

Location of

Config.

in Reg. Space

Registers

08Eh

0Fh

First (4) Configuration

Registers are present:

TPCC_RMSK

I: Configuration Index

C: Configuration and

Status

P: Pin Replacement

S: Socket and Copy

R: Reserved for

future use

090h

092h

1Bh

0Bh

CISTPL_CE

Configuration

Entry Tuple

Tuple Code

Link to Next Tuple is 11

Bytes. Also limits size of

this tuple to 13 bytes.

Link to

Next Tuple

094h

C0h

MemoryMapped

I/O Configuration

TPCE_INDX

Configuration Index

Configuration Index for

this entry is 0. Interface

Byte follows this byte.

Default Configuration,

so is not dependent on

previous Default

Configuration.

D: Default Configuration

I: Interface Byte follows

6-5

Rev. 12.0, 02/07

CIS Description

SanDisk CompactFlash Card OEM Product Manual

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Data

Content Description

Function

096h

C0h

Memory Only

TPCE_IF

Interface Type

Interface(0), Bvd's and

wProt not used,

Ready/-Busy and Wait

for memory cycles

active.

B: Battery Volt

Detects Used

P: Write Protect Used

R: Ready/-Busy Used

W: Wait Used for

Memory Cycles

098h

A1h

only Power;

TPCE_FS

No Timing, I/O, or IRQ;

2 Byte Memory

Space Length;

Misc Entry Present.

P: Power Info type

T: Timin Info present

IO :I/O Port Info present

IR: Interrupt Info present

MS: Mem Space Info

type

M: Misc Info Byte(s)

present

09Ah

27h

Nominal Voltage follows:

NV: Nominal Voltage

LV: Mimimum Voltage

HB: Maximum Voltage

SI: Static Current

Power

Parameters

for V

AI: Average Current

PI: Peak Current

DI: Power Down Current

09Ch

09Eh

0A0h

55h

4Dh

5Dh

Mantissa

Ah = 5.0

Mantissa

9h = 4.5

Mantissa

Bh = 5.5

Exponent

5h = 1V

Nominal is 5 V

Nominal

Value

Exponent

5h = 1V

Nominal is 4.5 V

Nominal is 5.5 V

Min.

Value

Exponent

5h = 1V

Max.

Value

0A2h

0A4h

0A6h

75h

08h

00h

Mantissa

Eh = 8.0

Exponent

5h = 10

Max. Average Current

over 10 ms is 80 mA

Max. Average

Current

Length of Memory

Space is 2 kB

TPCE_MS

Length in 256 Bytes Pages (LSB)

Length LSB

Start at 0 on card

TPCE_MS

Length in 256 Bytes Pages (MSB)

Length MSB

02/07, Rev. 12.0

6-6

SanDisk CompactFlash Card OEM Product Manual

CIS Description

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Data

Content Description

Function

0A8h

21h

Power-Down and

Twin Card.

TPCE_MI

T: Twin Cards Allowed

A: Audio Supported

RO: Read Only Mode

P: Power Down

Supported

R: Reserved

X: More Miscellaneous

Fields Bytes

0AAh

0ACh

1Bh

06h

CISTPL_CE

Configuration Entry

Tuple

Tuple Code

Link to Next Tuple is 6

Bytes. Also limits size of

this tuple to 8 bytes.

Link to

Next Tuple

0AEh

0B0h

0B2h

00h

01h

21h

Configuration Index

Memory Mapped I/O

3.3V Configuration.

TPCE_INDX

TPCE_FS

TPCE_PD

P: Power Info type

PI: Peak Current

NV: Nominal Operation

Supply Voltage

0B4h

0B6h

B5h

1Eh

Mantissa

6h = 3.0

Exponent

5h = 10

Nominal Operation

Nominal

Operation

Supply

Supply Voltage = 3.0V

Voltage

1Eh

+.30

Nominal

Operation

Supply

Voltage

Extension

Byte

0B8h

4Dh

Mantissa

9h = 4.5

Exponent

5h = 10

Max. Average Current

over 10 ms is 45 mA

Max. Average

Current

0BAh

0BCh

1Bh

0Dh

CISTPL_CE

Configuration

Entry Tuple

Tuple Code

Link to Next Tuple is 13

Bytes. Also limits size of

this tuple to 15 bytes.

Link to

Next Tuple

6-7

Rev. 12.0, 02/07

CIS Description

SanDisk CompactFlash Card OEM Product Manual

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Data

Content Description

Function

0BEh

C1h

Configuration Index

I/O Mapped Contiguous

16 Registers

TPCE_INDX

Configuration.

Configuration Index for

this entry is 1. Interface

Byte follows this byte.

Default Configuration,

therefore is not

dependent on previous

Default Configuration.

D: Default Configuration

I: Interface Byte follows

0C0h

41h

Interface Type

I/O Interface(1), Bvd's

and wProt not used;

Ready/-Busy active but

Wait not used for

TPCE_IF

memory cycles.

B: Battery Volt

Detects Used

P: Write Protect Used

R: Ready/-Busy Used

W: Wait Used for

Memory Cycles

0C2h

99h

Only Power

TPCE_FS

Descriptors; No Timing;

I/O and IRQ present; No

Memory Space; Misc

Entry Present

P: Power Info type

T: Timing Info present

IO :I/O Port Info present

IR: Interrupt Info present

MS: Memory Space Info

type

M: Misc Info Byte(s)

present

0C4h

27h

Nominal Voltage Follows

NV: Nominal Voltage

LV: Mimimum Voltage

HB: Maximum Voltage

SI: Static Current

Power

Parameters

for V

AI: Average Current

PI: Peak Current

DI: Power Down Current

0C6h

55h

Mantissa

Ah = 5.0

Exponent

5h = 1V

Nominal is 5V

Nominal

Value

02/07, Rev. 12.0

6-8

SanDisk CompactFlash Card OEM Product Manual

CIS Description

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Data

Content Description

Function

0C8h

0CAh

0CCh

0CEh

4Dh

Mantissa

9h = 4.5

Mantissa

Bh = 5.5

Mantissa

Eh = 8.0

Exponent

5h = 1V

Exponent

5h = 1V

Exponent

5h = 10

Nominal is 4.5V

Min.

Value

5Dh

75h

64h

Nominal is 5.5V

Max.

Value

Max. Average Current

over 10 ms is 80 mA

Max. Average

Current

IO AddeLines

Supports both 8 and 16

bit I/O hosts. 4 Address

lines & no range so 16

registers and host must

do all of the selection

decoding.

TPCE_IO

IO AddrLines:#lines

decoded.

E: 8-bit Only Hosts

Supported

S: 16-bit Hosts

Supported

R: Range follows

0D0h

F0h

IRQ Sharing Logic

Active in Card

TPCE_IR

Control & Status

Level Mode Interrupts

supported,

Recommended IRQ's

any of 0 through 15(F)

S: Share Logic Active

P: Pulse Mode IRQ

Supported

L: Level Mode IRQ

Supported

M: Bit Mask of IRQs

Present

V: Vendor Unique IRQ

B: Bus Error IRQ

I: IO Check IRQ

N: Non-Maskable IRQ

0D2h

0D4h

FFh

IRQLevelstoberouted

0 - 15 recommended.

TPCE_IR

Mask

Extension

Byte 1

Recommended routing

to any "normal,

TPCE_IR

Mask

maskable" IRQ.

Extension

Byte 2

6-9

Rev. 12.0, 02/07

CIS Description

SanDisk CompactFlash Card OEM Product Manual

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Data

Content Description

Function

0D6h

21h

Power-Down

TPCE_MI

and Twin Card.

T: Twin Cards Allowed

A: Audio Supported

RO: Read Only Mode

P: Power Down

Supported

R: Reserved

X: More Misc Fields

Bytes

0D8h

0DAh

1Bh

06h

CISTPL_CE

Configuration

Entry Tuple

Tuple Code

Link to Next Tuple is 6

Bytes. Also limits size of

this tuple to 8 bytes.

Link to

Next Tuple

0DCh

01h

Configuration Index

I/O Mapped Contiguous

TPCE_INDX

TPCE_FS

3.3V Configuration

0DEh

0E0h

01h

21h

P: Power Info type

PI: Peak Current

Power

Parameters

NV: Nominal Operation

for V

Supply Voltage

0E2h

0E4h

B5h

1Eh

Mantissa

6h = 3.0

Exponent

5h = 1

Nominal Operation

Nominal

Operation

Supply

Supply Voltage = 3.0V

Voltage

1Eh

+.30

Nominal

Operation

Supply

Voltage

Extension

Byte

0E6h

4Dh

Mantissa

9h = 4.5

Exponent

5h = 10

Max. Average Current

over 10 ms is 45 mA

Max. Average

Current

0E8h

0EAh

1Bh

12h

CISTPL_CE

Configuration

Entry Tuple

Tuple Code

Link to Next Tuple is 18

Bytes. Also limits size of

this tuple to 20 bytes

Link to

Next Tuple

0ECh

C2h

Configuration Index

AT Fixed Disk Primary

I/O Address

TPCE_INDX

Configuration

Configuration Index for

this entry is 2. Interface

Byte follows this byte.

Default Configuration

02/07, Rev. 12.0

6-10

SanDisk CompactFlash Card OEM Product Manual

CIS Description

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Data

Content Description

Function

0EEh

41h

Interface Type

I/O Interface(1), Bvd's

and wProt not used;

Ready/-Busy active but

Wait not used for

TPCE_IF

memory cycles.

B: Battery Volt Detects

Used

P: Write Protect Used

R: Ready/-Busy Used

W: Wait Used for

Memory Cycles

0F0h

99h

Only Power

TPCE_FS

Description; No Timing;

I/O and IRQ present; No

Memory Space; Misc

Entry present.

P: Power Info type

T: Timing Info present

IO: I/O Port Info present

IR: Interrupt Info present

MS: Memory Space Info

type

M: Misc Info Byte(s)

present

0F2h

27h

Nominal Voltage follows:

NV: Nominal Voltage

LV: Mimimum Voltage

HB: Maximum Voltage

SI: Static Current

Power

Parameters

for V

AI: Average Current

PI: Peak Current

DI: Power Down Current

0F4h

0F6h

0F8h

0FAh

55h

4Dh

5Dh

75h

Mantissa

Ah = 5.0

Mantissa

9h = 4.5

Mantissa

Bh = 5.5

Mantissa

9h = 4.5

Exponent

5h = 1V

Nominal is 5V

Nominal

Value

Exponent

5h = 1V

Nominal is 4.5V

Nominal is 5.5V

Min.

Value

Exponent

5h = 1V

Max.

Value

Exponent

5h = 10

Max. Average Current

over 10 ms is 80 mA

Max. Average

Current

6-11

Rev. 12.0, 02/07

CIS Description

SanDisk CompactFlash Card OEM Product Manual

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Data

Content Description

Function

0FCH

EAh

IO AddeLines

Ah = 10

Supports both 8- and

16-bit I/O hosts. 10

Address Lines with

range so card will

respond only to

TPCE_IO

indicated (1F0-1F7,

3F6-3F7) on A9 through

A0 for I/O cycles. IO

AddrLines:#lines

decoded

E: 8-bit Only Hosts

Supported

S: 16-bit Hosts

Supported

R: Range follows

0FEh

61h

N Ranges - 1

Number of Ranges is 2;

Size of each address is

2 bytes; size of each

length is 1 byte.

I/O Range

Format

Description

AS: Size of Addresses

0: No Address Present

1: 1Byte (8 bit)

Addresses

2: 2Byte (16 bit)

Addresses

3: 4Byte (32 bit)

Addresses

LS: Size of length

0: No Lengths Present

1: 1Byte (8 bit) Lengths

2: 2Byte (16 bit)

Lengths

3: 4Byte (32 bit)

Lengths

100h

102h

104h

F0h

01h

07h

1st I/O Base Address (lsb)

1st I/O Base Address (msb)

1st I/O Range Length - 1

First I/O Range Base

is 1F0h

8 Bytes Total ==>

1F0-1F7h

I/O Length–1

106h

108h

10Ah

F6h

03h

01h

2nd I/O Base Address (lsb)

2nd I/O Range Base

is 3F6h

2nd I/O Base Address (msb)

2nd I/O Range Length - 1

2 Bytes Total ==>

3F6-3F7h

02/07, Rev. 12.0

6-12

SanDisk CompactFlash Card OEM Product Manual

CIS Description

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Data

Content Description

Function

10Ch

EEh

Recommend IRQ Level

Eh = 14

IRQ Sharing Logic

Active in Card

TPCE_IR

Control & Status

Level Mode Interrupts

supported,

Recommended IRQ's

any of 0 through 15(F)

S: Share Logic Active

P: Pulse Mode IRQ

Supported

L: Level Mode IRQ

Supported

M: Bit Mask of IRQs

Present

M=0 so bits 3-0 are

single level, binary

encoded

10Eh

21h

Power-Down

TPCE_MI

and Twin Card.

T: Twin Cards Allowed

A: Audio Supported

RO: Read Only Mode

P: Power Down

Supported

R: Reserved

X: More Misc Fields

Bytes

110h

112h

1Bh

06h

CISTPL_CE

Configuration

Entry Tuple

Tuple Code

Link to Next Tuple is 6

Bytes. Also limits size of

this tuple to 8 bytes.

Link to

Next Tuple

114h

116h

118h

02h

01h

21h

Configuration Index

AT Fixed Disk Primary

I/O 3.3V Configuration

TPCE_INDX

TPCE_FS

P: Power Info type

PI: Peak Current

Power

Parameters

NV: Nominal Operation

for V

Supply Voltage

11AH

B5h

Mantissa

6h = 3.0

Exponent

5h = 1

Nominal Operation

Nominal

Operation

Supply

Supply Voltage = 3.0V

Voltage

6-13

Rev. 12.0, 02/07

CIS Description

SanDisk CompactFlash Card OEM Product Manual

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Data

Content Description

Function

11Ch

1Eh

+.30

Nominal

Operation

Supply

Voltage

Extension

Byte

11Eh

4Dh

Mantissa

9h = 4.5

Exponent

5h = 10

Max. Average Current

over 10 ms is 45 mA

Max. Average

Current

120h

122h

1Bh

12h

CISTPL_CE

Configuration

Entry Tuple

Tuple Code

Link to Next Tuple is 18

Bytes. Also limits size of

this tuple to 20 bytes.

Link to

Next Tuple

124h

C3h

Configuration Index

AT Fixed Disk

TPCE_INDX

Secondary I/O

Address Configuration

Configuration Index for

this entry is 3. Interface

Byte follows this byte.

Default Configuration

126h

41h

Interface Type

I/O Interface(1), Bvd's

and wProt not used;

Ready/-Busy active but

Wait not used for

TPCE_IF

memory cycles.

B: Battery Volt Detects

Used

P: Write Protect Used

R: Ready/-Busy Used

W: Wait Used for

Memory Cycles

128h

99h

-Only Power

TPCE_FS

Descriptors; No Timing;

I/O and IRQ present; No

Memory Space; Misc

Entry Present.

P: Power Info type

T: Timing Info present

IO: I/O Port Info present

IR: Interrupt Info present

MS: Memory Space Info

type

M: Misc Info Byte(s)

present

02/07, Rev. 12.0

6-14

SanDisk CompactFlash Card OEM Product Manual

CIS Description

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Data

Content Description

Function

12Ah

27h

Nominal Voltage Follows

NV: Nominal Voltage

LV: Mimimum Voltage

HB: Maximum Voltage

SI: Static Current

Power

Parameters

for V

AI: Average Current

PI: Peak Current

DI: Power Down Current

12Ch

12Eh

130h

132h

134h

55h

4Dh

5Dh

75h

EAh

Mantissa

Ah = 5.0

Mantissa

9h = 4.5

Mantissa

Bh = 5.5

Mantissa

Eh = 1.0

Exponent

5h = 1V

Nominal is 5V

Nominal

Value

Exponent

5h = 1V

Nominal is 4.5V

Nominal is 5.5V

Min.

Value

Exponent

5h = 1V

Max.

Value

Exponent

5h = 10

Max. Average Current

over 10 ms is 80 mA

Max. Average

Current

IO AddeLines

Ah = 10

Supports both 8- and

16-bit I/O hosts. 10

Address Lines with

Range so card will

respond only to

TPCE_IO

indicated (170-177, 376-

377) on A9 through A0

for I/O cycles. IO

AddrLines:#lines

decoded

E: 8-bit Only Hosts

Supported

S: 16-bit Hosts

Supported

R: Range follows

6-15

Rev. 12.0, 02/07

CIS Description

SanDisk CompactFlash Card OEM Product Manual

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Function

Data

Content Description

136h

61h

N Ranges–1

Number of Ranges is 2;

Size of each address is

2 bytes; size of each

length is 1 byte.

I/O Range

Format

Description

AS: Size of Addresses

0: No Address Present

1: 1Byte (8 bit)

Addresses

2: 2Byte (16 bit)

Addresses

3: 4Byte (32 bit)

Addresses

LS: Size of length

0: No Lengths Present

1: 1Byte (8 bit) Lengths

2: 2Byte (16 bit)

Lengths

3: 4Byte (32 bit)

Lengths

138h

13Ah

13Ch

70h

01h

07h

1st I/O Base Address (LSB)

1st I/O Base Address (MSB)

1st I/O Range Length–1

First I/O Range Base

is 170h

8 Bytes Total ==>

170-177h

I/O Length–1

13Eh

140h

142h

76h

03h

01h

2nd I/O Base Address (LSB)

2nd I/O Base Address (MSB)

2nd I/O Range Length–1

Second I/O Range

Base is 376h

2 Bytes Total ==>

376-377h

I/O Length–1

TPCE_IR

144h

EEh

Recommend IRQ Level

Eh = 14

IRQ Sharing Logic

Active in Card Control &

Status Register, Pulse

and Level Mode

Interrupts supported,

Recommended IRQ's

any of 0 through 15(F).

S: Share Logic Active

P: Pulse Mode IRQ

Supported

L: Level Mode IRQ

Supported

M: Bit Mask of IRQs

Present

M=0 therefore bits 3-0

are single level, binary

encoded

02/07, Rev. 12.0

6-16

SanDisk CompactFlash Card OEM Product Manual

CIS Description

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Data

Content Description

Function

146h

21h

Power-Down,

TPCE_MI

and Twin Card.

T: Twin Cards Allowed

A: Audio Supported

RO: Read Only Mode

P: Power Down

Supported

R: Reserved

X: More Misc Fields

Bytes

148h

14Ah

1Bh

06h

CISTPL_CE

Configuration

Entry Tuple

Tuple Code

Link to Next Tuple is 6

Bytes. Also limits size of

this tuple to 8 bytes.

Link to

Next Tuple

14Ch

03h

Configuration Index

AT Fixed Disk

Secondary I/O

TPCE_INDX

TPCE_FS

3.3V Configuration

14Eh

150h

01h

21h

P: Power Info type

PI: Peak Current

Power

Parameters

NV: Nominal Operation

Supply Voltage

for V

152h

154h

B5h

1Eh

Mantissa

6h = 3.0

Exponent

5h = 1

Nominal Operation

Nominal

Operation

Supply

Supply Voltage = 3.0V

Voltage

1Eh

0.3

Nominal

Operation

Supply

Voltage

Extension

Byte

156h

4Dh

Mantissa

9h = 4.5

Exponent

5h = 10

Max. Average Current

over 10 ms is 45 mA

Max. Average

Current

158H

15Ah

15Ch

1Bh

04h

07h

CISTPL_CE

Configuration

Entry Tuple

Tuple Code

Link to NextTuple

is 4 bytes

Link to

Next Tuple

Configuration Index

AT Fixed Disk

Secondary I/O

TPCE_INDX

3.3V Configuration

15Eh

00h

P: Power Info type

TPCE_FS

160h

162h

028h

0D3h

SanDisk Code

Reserved

6-17

Rev. 12.0, 02/07

CIS Description

SanDisk CompactFlash Card OEM Product Manual

Table 6-1

Card Information Structure

Attribute

Offset

CIS

Function

Data

Content Description

164h

166h

168h

014h

CISTPL_NO_LINK

No Bytes following

End of Tuple Chain

Prevent scan of

Tuple Code

common memory

000h

0FFh

Link Length is 0 Bytes

Link to

Next Tuple

End of CIS

Tuple Code

a. Legacy CompactFlash products may report "SunDisk" as the ASCII manufacture string.

02/07, Rev. 12.0

6-18

Appendix A

Ordering Information

A.1 SanDisk CompactFlash Memory Card

To order SanDisk products directly from SanDisk, call (408) 801-1000.

Capacity

(formatted in

bytes)

No. of

Sectors/

Track

Sectors/Card

(Max. LBA+1)

No. of

Heads

No. of

Cylinders

Part Number

SDCFJ-128-388

Capacity

128 MB

128,450,560

256,901,120

250,880

501,760

980

SDCFJ-256-388

256 MB

SDCFJ-512-388

512 MB

512,483,328

1,000,944

2,001,888

4,001,760

8,027,712

2,001,888

4,001,760

8,027,712

16,007,040

32,014,080

4,001,760

8,027,712

16,007,040

24,010,560

32,014,080

993

SDCFJ-1024-388

SDCFJ-2048-388

SDCFJ-4096-388

SDCFH-1024-388

SDCFH-2048-388

SDCFH-4096-388

SDCFH-8192-388

SDCFH-16384-388

SDCFX3-2048-388

SDCFX3-4096-388

SDCFX3-8192-388

SDCFX3-12288-388

SDCFX3-16384-388

1024 MB

2048 MB

4096 MB

1024 MB

2048 MB

4096 MB

8192 MB

16384 MB

2048 MB

4096 MB

8192 MB

12288 MB

16384 MB

1,024,966,656

2,048,901,120

4,110,188,544

1,024,966,656

2,048,901,120

4,110,188,544

8,195,604,480

16,391,208,960

2,048,901,120

4,110,188,544

8,195,604,480

12,293,406.720

16,391,208,960

1,986

3,970

7,964

1,986

3,970

7,964

15,880

31,760

3,970

7,964

15,880

23,820

31,760

1. 1 megabyte (MB) = 1 million bytes; 1 gigabyte (GB) = 1 billion bytes. Some of the listed capacity is used for formatting

and other functions, and thus is not available for data storage.

A-1

Rev. 12.0, 02/07

Ordering Information

SanDisk CompactFlash Card OEM Product Manual

–This page intentionally left blank–

Rev. 12.0, 02/07

A-2

Appendix B

Limited Warranty

I. WARRANTY STATEMENT

SanDisk warrants its products to be free of any defects in materials or workmanship that would

prevent them from functioning properly for one year from the date of purchase. This express

warranty is extended by SanDisk Corporation.

II. GENERAL PROVISIONS

This warranty sets forth the full extent of SanDisk's responsibilities regarding the SanDisk SD

Card. In satisfaction of its obligations hereunder, SanDisk, at its sole option, will repair, replace

or refund the purchase price of the product.

NOTWITHSTANDING ANYTHING ELSE IN THIS LIMITED WARRANTY OR

OTHERWISE, THE EXPRESS WARRANTIES AND OBLIGATIONS OF SELLER AS SET

FORTH IN THIS LIMITED WARRANTY, ARE IN LIEU OF, AND BUYER EXPRESSLY

WAIVES ALL OTHER OBLIGATIONS, GUARANTIES AND WARRANTIES OF ANY

KIND, WHETHER EXPRESS OR IMPLIED, INCLUDING WITHOUT LIMITATION, ANY

IMPLIED WARRANTY OF MERCHANTABILITY OR FITNESS FOR A PARTICULAR

PURPOSE OR INFRINGEMENT, TOGETHER WITH ANY LIABILITY OF SELLER

UNDER ANY CONTRACT, NEGLIGENCE, STRICT LIABILITY OR OTHER LEGAL OR

EQUITABLE THEORY FOR LOSS OF USE, REVENUE, OR PROFIT OR OTHER

INCIDENTAL OR CONSEQUENTIAL DAMAGES, INCLUDING WITHOUT

LIMITATION PHYSICAL INJURY OR DEATH, PROPERTY DAMAGE, LOST DATA, OR

COSTS OF PROCUREMENT OF SUBSTITUTE GOODS, TECHNOLOGY OR SERVICES.

IN NO EVENT SHALL THE SELLER BE LIABLE FOR DAMAGES IN EXCESS OF THE

PURCHASE PRICE OF THE PRODUCT, ARISING OUT OF THE USE OR INABILITY TO

USE SUCH PRODUCT, TO THE FULL EXTENT SUCH MAY BE DISCLAIMED BY LAW.

SanDisk's products are not warranted to operate without failure. Accordingly, in any use of

products in life support systems or other applications where failure could cause injury or loss of

life, the products should only be incorporated in systems designed with appropriate

redundancy, fault tolerant or back-up features.

III. WHAT THIS WARRANTY COVERS

For products found to be defective within one year of purchase, SanDisk will have the option of

repairing or replacing the defective product, if the following conditions are met:

A. A warranty registration card for each defective product was submitted and is on file at

SanDisk. If not, a warranty registration card must accompany each returned defective product.

This card is included in each product's original retail package.

B. The defective product is returned to SanDisk for failure analysis as soon as possible after the

failure occurs.

C. An incident card filled out by the user, explaining the conditions of usage and the nature of

the failure, accompanies each returned defective product.

D. No evidence is found of abuse or operation of products not in accordance with the published

specifications, or of exceeding storage or maximum ratings or operating conditions.

B-1

Rev. 12.0, 02/07

Limited Warranty

SanDisk CompactFlash Card OEM Product Manual

All failing products returned to SanDisk under the provisions of this limited warranty shall be

tested to the product's functional and performance specifications. Upon confirmation of

failure, each product will be analyzed, by whatever means necessary, to determine the root

cause of failure. If the root cause of failure is found to be not covered by the above provisions,

then the product will be returned to the customer with a report indicating why the failure was

not covered under the warranty.

This warranty does not cover defects, malfunctions, performance failures or damages to the

unit resulting from use in other than its normal and customary manner, misuse, accident or

neglect; or improper alterations or repairs.

SanDisk reserves the right to repair or replace, at its discretion, any product returned by its

customers, even if such product is not covered under warranty, but is under no obligation to do

so.

SanDisk may, at its discretion, ship repaired or rebuilt products identified in the same way as

new products, provided such cards meet or exceed the same published specifications as new

products. Concurrently, SanDisk also reserves the right to market any products, whether new,

repaired, or rebuilt, under different specifications and product designations if such products do

not meet the original product's specifications.

IV. RECEIVING WARRANTY SERVICE

According to SanDisk's warranty procedure, defective product should be returned only with

prior authorization from SanDisk Corporation. Please contact SanDisk's OEM Support

Department at 866-436-6073 with the following information: product model number and

description, serial numbers, nature of defect, conditions of use, proof of purchase and purchase

date. If approved, SanDisk will issue a Return Material Authorization or Product Repair

Authorization number and provide a shipping address where the defective product can be

returned.

V. STATE LAW RIGHTS

SOME STATES DO NOT ALLOW THE EXCLUSION OR LIMITATION OF INCIDENTAL

OR CONSEQUENTIAL DAMAGES, OR LIMITATION ON HOW LONG AN IMPLIED

WARRANTY LASTS, SO THE ABOVE LIMITATIONS OR EXCLUSIONS MAY NOT

APPLY TO YOU. This warranty gives you specific rights and you may also have other rights

that vary from state to state.

02/07, Rev. 12.0

B-2

Appendix C

Disclaimer of Liability

C.1 SanDisk Corporation Policy

SanDisk Corporation general policy does not recommend the use of its products in life support

applications wherein a failure or malfunction of the product may directly threaten life or injury.

Accordingly, in any use of products in life support systems or other applications where failure

could cause damage, injury or loss of life, the products should only be incorporated in systems

designed with appropriate redundancy, fault tolerant or back-up features.

SanDisk shall not be liable for any loss, injury or damage caused by use of the Products in any

of the following applications:

•

Special applications such as military related equipment, nuclear reactor control, and aero-

space

•

Control devices for automotive vehicles, train, ship and traffic equipment

Safety system for disaster prevention and crime prevention

Medical-related equipment including medical measurement device

C-1

Rev. 12.0, 2/2007

Disclaimer of Liability

SanDisk CompactFlash Card OEM Product Manual

–This page intentionally left blank–

02/07, Rev. 12.0

C-2

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