Fujitsu MHM2150AT Manual/User Guide - Page 204
Response to software reset,
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6.1 Device Response to the Reset 6.1.3 Response to software reset The master device does not check the DASP- signal for a software reset. If a slave device is present, the master device checks the PDIAG- signal for up to 15 seconds to see if the slave device has completed the self-diagnosis successfully. After the slave device receives the software reset, the slave device shall report its presence and the result of the self-diagnostics to the master device as described below: PDIAG- signal: negated within 1 ms and asserted within 30 seconds When the IDD is set to a slave device, the IDD asserts the DASP- signal when negating the PDIAG- signal, and negates the DASP- signal when asserting the PDIAG- signal. X'3F6' Reg. Master device X"0C" or X"04" Status Reg. BSY bit X"00" Max. 31 sec. If the slave device is preset, PDIAG- is checked for up to 31 seconds. Slave device BSY bit PDIAGDASP- Max. 1 ms. Max. 30 sec. Figure 6.3 Response to software reset C141-E104-03EN 6-5