Intel PCA-6175 Computer Hardware User Manual


 
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PCA-6175 User's Manual
Programming the Watchdog Timer
To program the watchdog timer, you must write a program which
writes I/O port address 443 (hex). The output data is a time interval
value. The value range is from 01 (hex) to 3F (hex), and the related
time interval is 1 sec. to 63 sec.
Data Time Interval
01 1 sec.
02 2 sec.
03 3 sec.
04 4 sec.
••
••
••
3F 63 sec.