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

Models: MHN2150AT MHN2300AT MHN2100AT MHN2200AT

1 236
Download 236 pages 33.82 Kb
Page 206
Image 206

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.

6-4

C141-E120-02EN

Page 206
Image 206
Fujitsu MHN2300AT, MHN2150AT, MHN2100AT, MHN2200AT manual Response to hardware reset