Silicon Image SSD-P08G(I)-3521 manual ATA Command Block and SET Description, ATA Command Set

ATA COMMAND BLOCK AND SET DESCRIPTION SSD-PXXX(I)-3521 DATA SHEET

ATA COMMAND BLOCK AND SET DESCRIPTION

In accordance with the ANSI ATA Specification, the device implements seven registers that are used to transfer instructions to the device by the host. These commands follow the ANSI standard ATA protocol. A description of the ATA command block is provided in the following table.

Table 46: ATA Command Block and Set Description

Operation

D7

D6

D5

D4

D3

D2

D1

D0

Feature

X

Sector Count

X

Sector Number

X

Cylinder Low

X

Cylinder High

X

Drive Head

1

LBA

1

Drive

X

Command

X

ATA COMMAND SET

Table 47: ATA Command Set

Class

Command Name

Command

Registers Used

Code

FR

SC

SN

CY

DH

LBA

1

Check Power Mode

98h, E5h

-

-

-

-

D

-

1

Execute Drive

90h

-

-

-

-

D

-

Diagnostics

1

Erase Sector

C0h

-

Y

Y

Y

Y

Y

2

Format Track

50h

-

Y

-

Y

Y

Y

1

Identify Drive

ECh

-

-

-

-

D

-

1

Idle

97h, E3h

-

Y

-

-

D

-

1

Idle Immediate

95h, E1h

-

-

-

D

-

1

Initialize Drive

91h

-

Y

-

-

Y

-

Parameters

1

Read Buffer

E4h

-

-

-

-

D

-

1

Read DMA*

C8h

-

Y

Y

Y

Y

Y

1

Read Multiple

C4h

-

Y

Y

Y

Y

Y

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3521P-02DSR PAGE 59 FEBRUARY 2, 2009