ATA Flash Drive 255

AP-FD25B20AxxxxxS-xxx

6. Software Interface

6.1 Command Set

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

ATA-Flash Drive (AFD). Commands are issued to the AFD 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.

Table 6-1: Command set

Code

Command

Code

Command

E5h

Check Power Mode

F6h

Security Disable Password

92h

Download Microcode

F3h

Security Erase Prepare

90h

Execute Device Diagnostic

F4h

Security Erase Unit

E7h

Flush Cache

F5h

Security Freeze Lock

EAh

Flush Cache EXT

F1h

Security Set Password

ECh

Identify Device

F2h

Security Unlock

A1h

Identify Packet Device

70h

Seek

E3h

Idle

EFh

Set Features

E1h

Idle Immediate

F9h

Set Max

91h

Initialize Device Parameters

91h

Set Max Address EXT

00h

NOP

C6h

Set Multiple Mode

E4h

Read Buffer

E6h

Sleep

C8h

Read DMA

B0h

SMART

25h

Read DMA EXT

E2h

Standby

C4h

Read Multiple

E0h

Standby Immediate

29h

Read Multiple EXT

E8h

Write Buffer

F8h

Read Native Max Address

CAh

Write DMA

27h

Read Native Max Address EXT

35h

Write DMA EXT

20h

Read Sector

C5h

Write Multiple

24h

Read Sector EXT

39h

Write Multiple EXT

40h

Read Verify Sectors

30h

Write Sector

42h

Read Verify Sectors EXT

34h

Write Sector EXT

10h

Recalibrate

9

© 2011 Apacer Technology Inc.

Rev. 1.2