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. |
44
