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PCA-6154/6154L User's Manual
A.1
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 value of time
interval. 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.