Advantech SOM-4475 User Manual page 26

Appendix A Watchdog Timer
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 3E (hex), and the
related time interval is 1 sec. to 62 sec.
Data
01
02
03
04
• •
• •
• •
3E
SOM-4475 User's Manual
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Time Interval
1 sec.
2 sec.
3 sec.
4 sec.
62 sec.