Advantech PCA-6190, User Manual

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PCA-6190 User’s Manual 86
;-----------------------------------------------------------
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
Out dx,al
Inc
dx
Mov al,10
Out dx,al
;-----------------------------------------------------------
Dec dx ; lock W83627HF
Mov al,0aah
Out dx,al
2.
Enable watchdog timer and set 5 minutes as timeout interval
;-----------------------------------------------------------
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