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Advantech PCE-5120 User Manual

Page 102

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PCE-5120 User Manual

86

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 W83627HF
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
;-----------------------------------------------------------
Dec dx

; Set minute as counting unit

Mov al,0f5h
Out dx,al
Inc

dx