Operations

After the slave device receives the hardware reset, the slave device shall report its presence and the result of the self-diagnostics to the master device as described below:

DASP- signal: Asserted within 400 ms.

PDIAG- signal: Negated within 1 ms and asserted within 30 seconds.

Reset-

Master device

Status Reg.

BSY bit

Max. 31 sec.

Slave device

BSY bit

Checks DASP- for up to 450 ms.

Max. 1 ms.

If presence of a slave device is confirmed, PDIAG- is checked for up to 31 seconds.

PDIAG-

Max. 30 sec.

DASP-

Max. 400 ms.

.

Figure 6.2 Response to hardware reset

Note: Master Device does not check the DASP signal assertion for 2ms upon receipt of hardware reset.

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Fujitsu MHN2300AT, MHN2150AT, MHN2100AT, MHN2200AT manual Response to hardware reset