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out dx,al
mov dx,800h + 65h ;WDT Time-out value units select
mov al,080h
out dx,al
mov dx,800h + 66h ;WDT timer time-out value
mov al,01h
out dx,al
mov dx,800h + 68h ;Enable WDT function.
mov al,01h
out dx,al
;Bit7:=0 minutes , =1 Seconds
;0x00 Time-out disabled
;0x01 Time-out=1 minute(second)
;....
;0xFF Time-out =255 minutes(seconds)
71
Appendix A
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