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ATA REGISTERS SSD-DXXX(I)-4300 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.
4300D-00DSR PAGE 36 FEBRUARY 27, 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 "All but CU / E / MU / R / SD/MMC+:ATA Command Block and Set
Description" on page 120 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