How to set the watchdog timer
1.Set register 30h of logical device 7 to 1 to activate the timer.
2.Write the desired counter value to register F2h of logical deivice
Logical Device 7 : Register number 30h (CR30) 00h : timer inactive
01h : timer active
Logicel Device 8 : Register number F2h (CRF2) 00h :
01h :
02h :
03h :
04h :
...........................
FFh :
Appendix A Programming the Watchdog Timer 103