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How to set the watchdog timer
1. Set index 37h bit 6 = o to disable the timer.
2. Write the desired counter value to 3Bh, 3Ah, 39h.
3. Set index 37h bit 6 = 1 to enable the timer.
4. When counter reaches the setting value, the timer will generate
signal setting by index 38h bit [7:4]
Example
Following is an example of programming 1 sec period for watchdog
timer in assembly language. When timer timers ouu, is will generate
system reset.
Appendix A Programming the Watchdog Timer
59
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