Advantech PCA-6781 - Page 53

43 PCA-6781 User Manual
Appendix A Watchdog Timer
mov al,01h
out dx,al
;====================================================
;bit[0] status bit R/W
;WD timeout occurred =1
;WD timer counting = 0
;====================================================
mov dx,SCH3114_IO + 68h
mov al,01h
out dx,al
.exit
END