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B.3
Example
1.
Enable the watchdog timer and set the timeout interval as 10 seconds.
;-----------------------------------------------------------
Mov dx,2eh; Unlock NCT6776D
Mov al,87h
Out dx,al
Out dx,al
;-----------------------------------------------------------
Mov al,07h; Select the watchdog timer registers
Out dx,al
Inc dx
Mov al,08h
Out dx,al
;-----------------------------------------------------------
Dec dx; Enable the watchdog timer function
Mov al,30h
Out dx,al
Inc dx
Mov al,01h
Out dx,al
;-----------------------------------------------------------
Dec dx; Set seconds as the counting unit
Mov al,0f5h
Out dx,al
Inc dx
In al,dx
And al,not 08h
Out dx,al
;-----------------------------------------------------------
Dec dx; Set the 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 NCT6776D
Mov al,0aah
Out dx,al
2.
Enable the watchdog timer and set the timeout interval as 5 minutes
;-----------------------------------------------------------
Mov dx,2eh; Unlock NCT6776D
Mov al,87h
Out dx,al
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IPPC-6152A/6172A/6192A User Manual
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