Fujitsu MHA2021AT Product Manual page 113

Interface
1F7
1F6
1F5
1F4
1F3
1F2
1F1
1F7
1F6
1F5
1F4
1F3
1F2
1F1
(26) CHECK POWER MODE (X'98' or X'E5')
The host checks the power mode of the device with this command.
The host system can confirm the power save mode of the device by analyzing the
contents of the Sector Count and Sector registers.
The device sets the BSY bit and sets the following register value. After that, the
device clears the BSY bit and generates an interrupt.
• During moving to standby mode
• Standby mode
• During returning from the standby mode
• Idle mode
• Active mode
5-52
At command issuance (I/O registers setting contents)
(CM) X'99' or X'E6'
H
(DH)
H
(CH) xx
H
(CL) xx
H
(SN) xx
H
(SC) xx
H
(FR) xx
H
At command completion (I/O registers contents to be read)
(ST) Status information
H
(DH)
H
(CH) xx
H
(CL) xx
H
(SN) xx
H
(SC) xx
H
(ER) Error information
H
Power save mode
DV xx
DV xx
Sector Count register
X'00'
X'FF'
X'FF'
C141-E042-01EN