AAEON PFM-535S User Manual

Page 37

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P C / 1 0 4 C P U M o d u l e

P F M - 5 3 5 S

Appendix A Programming the Watchdog Timer A-4

Here are steps to setup WDT1:

1. Write time into register 6Ah-6Ch.

2. Select signal from register 69h.

3. Set register 68h bit 8 to enable WDT1.

To clear the watchdog timer counter:

1. Write any value to register 67H

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