Contec GMB-AQ47000 Reference Manual page 75

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Appendix
GMB-AQ47000 Reference Manual
(2) Example programming
The following example is written in Intel8086 assembly language.
;===============
;<WDT Initial>
;===============
;-------------------------------------------
;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
;------------------------------------------------
;Activate logical device WDT(number 8)
;------------------------------------------------
MOV DX,2EH
MOV AL,30H
OUT DX,AL
MOV DX,2FH
MOV AL,03H
OUT DX,AL
;---------------------------------------------------
;Stop WDT
;---------------------------------------------------
MOV DX,2EH
MOV AL,F1H
OUT DX,AL
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