Hitachi HTS725050A9A364 Datasheet download pdf (Page 101)

7K500 OEM Specification

Page 101 of 176

14.10

14.1014.10

14.10 Idle (E3h/97h)

Idle (E3h/97h)Idle (E3h/97h)

Idle (E3h/97h)

Command Block Output Registers

Command Block Input Registers

Data -

Feature -

Error ...See Below...

Sector Count V

Sector Count -

LBA Low -

LBA Mid -

LBA High -

Device -

Command 1

Status ...See Below...

Error Register

Status Register

7 6 5 4 3 2 1 0

CRC

UNC

0 IDN

0 ABT

T0N

BSY

RDY

DSC

DRQ

COR

IDX

ERR

0 0 0 0 0 V 0 0

0 V 0 V - 0 0 V

Table 65 Idle Command (E3h/97h)

When the power save mode is Standby mode, the Idle command causes the device to enter

performance Idle mode immediately, and set auto power down timeout parameter(standby timer).

And then the timer starts counting down. When the device’s power save mode is already any idle

mode, the device keep that mode.

When the Idle mode is entered, the device is spun up to operating speed. If the device is already

spinning, the spin up sequence is not executed.

During Idle mode the device is spinning and ready to respond to host commands immediately.

Output Parameters To The Device

Sector Count

Timeout Parameter. If zero, the timeout interval(Standby Timer) is disabled. If other than

zero, the timeout interval is set for (Timeout Parameter x5) seconds.

The device will enter Standby mode automatically if the timeout interval expires with no

device access from the host. The timeout interval will be reinitialized if there is a device

access before the timeout interval expires.

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Hitachi HTS725050A9A364 Datasheet Page 101

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