Compact Flash 4 series

AP-CFxxxxA5XS-XXXXXX

9

© 2009 Apacer Technology Inc.

Rev. 1.1

6. Software Interface

6.1 CF-ATA Command Set

Table 6-1 summarizes the CF-ATA command set with the paragraphs that follow describing the individual

commands and the task file for each.

Table 6-1: CFC-ATA command set (1/2)

Command

Code

Command Protocol

CFA Erase-Sector(s)

C0H

Non-data

CFA Request Extended Error Code

03H

Non-data

CFA Translate-Sector

87H

PIO data-in

CFA Write-Multiple-Without-Erase

CDH

PIO data-out

CFA Write-Sector(s)-Without-Erase

38H

PIO data-out

Check-Power-Mode

E5H or 98H

Non-data

Download Microcode

92H

PIO data-out

Execute-Drive-Diagnostic

90H

Device Diagnostic

Flush-Cache

E7H

Non-data

Format-Track

50H

PIO data-out

Identify-Drive

ECH

PIO data-in

Idle

E3H or 97H

Non-data

Idle-Immediate

E1H or 95H

Non-data

Initialize-Drive-Parameters

91H

Non-data

NOP

00H

Non-data

Read-Buffer

E4H

PIO data-in

Read DMA

C8H or C9H

DMA

Read Long

22h or 23h

PIO data-in

Read-Multiple

C4H

PIO data-in

Read-Sector(s)

20H or 21H

PIO data-in

Read-Verify-Sector(s)

40H or 41H

Non-data

Recalibrate

1XH

Non-data

Security Disable Password

F6H

PIO data-out

Security Erase Prepare

F3H

Non-data

Security Erase Unit

F4H

PIO data-out

Security Freeze Lock

F5H

Non-data

Security Set Password

F1H

PIO data-out

Security Unlock

F2H

PIO data-out