Motorola MVME712A/D3 User Manual download pdf (Page 163)

VME Interface ASIC (VME2) Tests

MVME167BUG/D3 3-119

Watchdog Timer Counter - TMRJ

The watchdog timer is tested to ensure functionality at all programmable

timing values. This test also checks watchdog timer clear status and timeout

functions. The following is done for all programmable watchdog timeouts:

1. Check for linear timeout period with respect to previous timeout.

2. Verify that timeout status can be cleared.

Command Input:

167-Diag>VME2 TMRJ

Response/Messages:

After the command has been issued, the following line is printed:

VME2 TMRJ: Watchdog Timer Counter............ Running --->

If all parts of the test are completed correctly, then the test passes:

VME2 TMRJ: Watchdog Timer Counter........... Running ---> PASSED

If any part of the test fails, then the display appears as follows:

VME2 TMRJ: Watchdog Timer Counter........... Running ---> FAILED

(error message)

Here, (error message) is one of the following:

Watchdog failed to timeout: mloops=________

out of tolerance

time out code ________

actual loops ________

expected loops ________

lower limit ________

upper limit ________

time out status (WDTO bit) could not be cleared

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Motorola MVME712A/D3 User Manual Page 163