Silicon Image Drive SSD-P08G(I)-3521 数据表
ATA C
OMMAND
B
LOCK
AND
S
ET
D
ESCRIPTION
SSD-P
XXX
(I)-3521 D
ATA
S
HEET
S
ILICON
S
YSTEMS
P
ROPRIETARY
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
P
AGE
61
F
EBRUARY
2, 2009
Check Power Mode — 98h, E5h
The Check Power Mode command verifies the device’s current power mode.
When the device is configured for standby mode or is entering or exiting
standby, the BSY bit is set, the Sector Count register set to 00h, and the BSY
bit is cleared. In idle mode, BSY is set and the Sector Count register is set to
FFh. The BSY bit is then cleared and an interrupt is issued.
The Check Power Mode command verifies the device’s current power mode.
When the device is configured for standby mode or is entering or exiting
standby, the BSY bit is set, the Sector Count register set to 00h, and the BSY
bit is cleared. In idle mode, BSY is set and the Sector Count register is set to
FFh. The BSY bit is then cleared and an interrupt is issued.
Table 48: Check Power Mode — 98h, E5h
Register
D
7
D
6
D
5
D
4
D
3
D
2
D
1
D
0
Feature
X
Sector Count
X
Sector Number
X
Cylinder Low
X
Cylinder High
X
Drive Head
X
X
X
Drive
Command
98h or E5h