Chapter 3 Software Configuration
ISA-562LF USER
′
S MANUAL
Page:3-11
Out dx,al
Inc dx
Mov al, 08h
Out dx,al
;-----------------------------------------------------------
Mov al, 30h ; Enable Watchdog Function
Out dx,al
Inc dx
Mov al, 01h
Out dx,al
;-----------------------------------------------------------
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 30seconds and start counting
Mov al, 0f6h
Out dx,al
Inc dx
Mov al, 30
Out dx,al
;-----------------------------------------------------------
Dec dx ;
Exit the extended function mode
Mov al, 0aah
Out dx,al
