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

 

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

 

PCA-6186 User’s Manual

98

Page 116
Image 116
Advantech PCA-6186 user manual Set timeout interval as 10 seconds and start counting