Intel TPC-1070 C.3 Example Programs, Enable watchdog timer and set 10 sec. as timeout interval

C.3 Example Programs

1.Enable watchdog timer and set 10 sec. as timeout interval ;-----------------------------------------------------------

Mov dx,2eh ; Unlock W83627HF Mov al,87h

Out dx,al Out dx,al

;-----------------------------------------------------------

Mov al,07h ; Select registers of watchdog timer Out dx,al

Inc dx Mov al,08h Out dx,al

;-----------------------------------------------------------

Dec dx ; Enable the function of watchdog timer Mov al,30h

Out dx,al Inc dx Mov al,01h Out dx,al

;-----------------------------------------------------------

Dec dx ; Set second as counting unit Mov al,0f5h

Out dx,al Inc dx In al,dx

And al,not 08h Out dx,al

;-----------------------------------------------------------

Dec dx ; Set timeout interval as 10 seconds and start counting Mov al,0f6h

55 ChapterC