Advantech PCA-6187 user manual Out dx,al

Models: PCA-6187

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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

; Enable watchdog timer to be strobed reset by keyboard

Mov

al,0f7h

 

Out

dx,al

 

Inc

dx

 

In

al,dx

 

Or al,40h

 

Out

dx,al

 

;-----------------------------------------------------------

 

Dec dx

; lock W83627HF

Mov

al,0aah

 

Out

dx,al

 

5.Generate a time-out signal without timer counting ;-----------------------------------------------------------

Mov dx,2eh

; unlock W83627H

Mov al,87h

 

Out dx,al

 

97

AppendixA

Page 109
Image 109
Advantech PCA-6187 user manual Out dx,al