Fujitsu MPG3XXXAH manual At command completion I/O registers contents to be read, 1F7 HST, 1F6 HDH

Models: MPG3XXXAH

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(27)CHECK POWER MODE (X'98' or X'E5')

At command completion (I/O registers contents to be read)

1F7H(ST)

 

 

 

Status information

 

 

 

 

 

 

 

 

 

1F6H(DH)

×

×

×

 

DV

 

xx

 

 

 

 

 

 

 

 

1F5H(CH)

 

 

 

 

xx

 

1F4H(CL)

 

 

 

 

xx

 

1F3H(SN)

 

 

 

 

xx

 

1F2H(SC)

 

 

 

 

xx

 

1F1H(ER)

 

 

 

Error information

 

 

 

 

 

 

 

 

 

(27)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 Number 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.

Power save mode

Sector Count register

Sector Number register

 

 

 

• During moving to standby mode

 

 

• Standby mode

X'00'

N/A

• During returning from the standby mode

 

 

 

 

 

• Idle mode

X'FF'

X'00'

 

 

 

• Active mode

X'FF'

X'FF'

 

 

 

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C141-E112-01EN

Page 115
Image 115
Fujitsu MPG3XXXAH At command completion I/O registers contents to be read, 1F7 HST, Status information, 1F6 HDH, 1F5 HCH