Silicon Image SiliconDrive SSD-DXXX(I)-4210 - Manual (Page 45)

ATA R EGISTERS SSD-D XXX (I)-4210 D ATA S HEET
S ILICON S YSTEMS P ROPRIETARY
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4210D-03DSR P AGE 36 F EBRUARY 2, 2009
C OMMAND R EGISTER
The Command register specifies the ATA command code being issued to the
drive by the host. Execution of the command begins immediately following the
issuance of the command register code by the host.
See "ATA Command Block and Set Description" on page 40 for a listing of the
supported ATA commands.
Table 23: Command Register
Operation D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Read/Write ATA Command Code