Advantech MIC-3318 manual Appendix a Programming the Watchdog Timer

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Dec dx ; lock W83627HF

Mov al,0aah

Out dx,al

5.Generate a time-out signal without timer counting ;-----------------------------------------------------------

Mov dx,2eh ; unlock W83627H 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

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Appendix A Programming the Watchdog Timer 63