The following procedure is a sample program for the watchdog
timer:
•
Type C:\DOS\Debug <ENTER>
•
To start watchdog timer and set function "Reset" type;
o 444 0 <Enter>; out 444h data 0
•
To input Watchdog timers time-out interval of 5 seconds type;
o 443 05 <Enter>; out 443h data 05
•
To disable the watchdog timer type;
i 80 <Enter>
The time interval data of the watchdog timer is shown in binary
code (8 bits).
Sample 2 : 5 seconds
0
0
0
Appendix A Programming the Watchdog Timer
0
0
1
0
1
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