- Silicon Systems PC Card Specification Sheet

ATA REGISTERS SSD-PXXX(I)-3521 DATA SHEET
SILICONSYSTEMS PROPRIETARY
This document and the information contained within it is confidential and proprietary to SiliconSystems, Inc.
All unauthorized use and/or reproduction is prohibited.
3521P-02DSR PAGE 55 FEBRUARY 2, 2009
COMMAND REGISTER
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 59 for a listing of the
supported ATA commands.
Table 42: Command Register
Operation
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Read/Write ATA Command Code