Hitachi DK23EA Specifications - Page 54

Idle [97h, E3h], 3.2.6.5 Idle Immediate [95h,E1h], 3.2.6.6 Sleep[99h,E6h], 3.2.6.7 Standby [ - 30 interface

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6.3.2.6.4 Idle [97h, E3h] This command causes the device to enter to the Idle Mode. The Sector Count Register sets the standby timer value. By the power on default, the Standby timer is disabled. Sector Count Value SC = 0 0

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K6602637
Rev.3
02.27.01
- 54 -
6.3.2.6.4 Idle [97h, E3h]
This command causes the device to enter to the Idle Mode. The Sector Count Register sets the standby
timer value. By the power on default, the Standby timer is disabled.
Sector Count Value
Standby Timer Value
SC = 0
Disabled
0
<
SC
£
240
SC X 5 sec (5 sec to 20 minutes)
241
<
SC
£
251, 253
30 minutes
252
21 minutes
254, 255
21 minutes 15 sec
Default (Power on)
Disabled
6.3.2.6.5 Idle Immediate [95h,E1h]
This command causes the device to set BSY, enter the Idle Mode, clear BSY, and generate an interrupt.
The interrupt is generated even though the device may not have full transition to the Idle mode.
6.3.2.6.6 Sleep[99h,E6h]
This command causes the device to be spun down and enter the Sleep Mode. When the rotation stops,
BSY is cleared, an interruption is generated, and the interface becomes inactive. Software reset or hardware
reset allows the device to recover from the Sleep Mode.
6.3.2.6.7 Standby [96h, E2h]
This command causes the device to enter the Standby mode. The Sector Count Register sets the standby
timer value. By the power on default, the Standby timer is disabled.
Sector Count Value
Standby Timer Value
SC = 0
Disabled
0
<
SC
£
240
SC X 5 sec (5 sec to 20 minutes)
241
<
SC
£
251, 253
30 minutes
252
21 minutes
254, 255
21 minutes 15 sec
Default (Power on)
Disabled
6.3.2.6.8 Standby Immediate [94h, E0h]
This command causes the device to be spun down and enter the Standby Mode. The device may
return an interrupt before it has complete transition to the Standby Mode.