A.1.4
Example Program
1.
Enable watchdog timer and set 10 sec. as timeout interval
;--------------------------------------------------------------------------------
Mov dx,2e
Mov al,87h
Out dx,al
Out dx,al
;--------------------------------------------------------------------------------
Mov al,07h
Out
dx,al
Inc
dx
Mov
al,08h
Out
dx,al
;--------------------------------------------------------------------------------
Dec dx
Mov
al,30h
Out
dx,al
Inc
dx
Mov
al,01h
Out
dx,al
;--------------------------------------------------------------------------------
Dec dx
Mov
al,0f5h
Out
dx,al
Inc
dx
In
al,dx
And al,not 08h
Out
dx,al
;--------------------------------------------------------------------------------
Dec dx
Mov
al,0f6h
Out
dx,al
Inc
dx
Mov
al,10
Out
dx,al
;--------------------------------------------------------------------------------
Dec dx
Mov
al,0aah
Out
dx,al
2.
Enable watchdog timer and set 5 minutes as timeout interval
;--------------------------------------------------------------------------------
Mov dx,2eh
Mov al,87h
Out dx,al
Out dx,al
; Unlock W83627UHG
; Select registers of watchdog timer
; Enable the function of watchdog timer
; Set second as counting unit
; Set timeout interval as 10 seconds and start counting
; lock W83627UHG
; unlock W83627UHG
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PCE-7214 User Manual