Contec GMB-AQ47000 Reference Manual page 76

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Appendix
GMB-AQ47000 Reference Manual
MOV DX,2FH
MOV AL,00H
OUT DX,AL
;------------------------------------------
;Exit the extended function mode
;------------------------------------------
MOV DX,2EH
MOV AL,AAH
OUT DX,AL
;===============================
;<WDT START: counter set and a start>
;===============================
;---------------------------------------------
;Enter the extended function mode
;---------------------------------------------
MOV DX,2EH
MOV AL,87H
OUT DX,AL
OUT DX,AL
;------------------------------------------------
;Select logical device WDT(number 8)
;------------------------------------------------
MOV DX,2EH
MOV AL,07H
OUT DX,AL
MOV DX,2FH
MOV AL,08H
OUT DX,AL
;------------------------------------------------------
;Set time of WDT and start to count down
;------------------------------------------------------
MOV DX,2EH
MOV AL,F1H
OUT DX,AL
MOV DX,2FH
;----------------------------------------------------------------------------------
;The data of an example is 15 seconds.(01H=1sec.-FFH=255sec.)
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