6.1 Device Response to the Reset
C141-E217
6-3
Max. 31 sec.
Max. 450 ms.
Max. 30 sec.
Max. 1 ms.
If presence of a slave device is
confirmed, PDIAG- is checked for
up to 31 seconds.
Checks DASP- for up to
500 ms.
DASP-
PDIAG-
BSY bit
Power On Reset-
Status Reg.
BSY bit
Power On Reset-
Slave device
Master device
Power on
Figure 6.1 Response to power-on
Note: Figure 6.1 has an assumption that the device is kept on the power-off condition for more than
5 sec before the device power is turned on.
6.1.2 Response to hardware reset
Response to RESET- (hardware reset through the interface) is similar to the
power-on reset.
Upon receipt of hardware reset, the master device checks a DASP- signal for up to
500 ms to confirm presence of a slave device. The master device recognizes the
presence of the slave device when it confirms assertion of the DASP- signal.
Then the master device checks a PDIAG- signal to see if the slave device has
successfully completed the self-diagnostics.
If the master device cannot confirm assertion of the DASP- signal within 450 ms,
the master device recognizes that no slave device is connected.
Содержание MHV2040AH - Mobile - Hard Drive
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