Advantech PCA-6742 User Manual page 45

Mov al,01h
Out dx,al
;-----------------------------------------------------------
Dec dx
Mov al,0f7h
Out dx,al
Inc dx
In al,dx
Or al,20h
Out dx,al
;-----------------------------------------------------------
Dec dx
Mov al,0aah
Out dx,al
PCA-6742 User Manual
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; Generate a time-out signal
;Write 1 to bit 5 of F7 register
; lock W83627HG
38