NAR-5620 Series
User
’
s
Manual
27
;
add dx,bx
;
;mov dx, 48eh
mov dx, cx
xor bx, bx
mov bl, 0eh
add dx, bx
in al,dx
; read first
call IODELAY ; io delay
or al,08h
; bit3 ---> GPO19
out dx,al
; output GPO19 1
; make sure GPO39 = 1 end
; ============================ MUST DO ==========================Start
; GP_INV bit6 MUST Program 0 for GPI6 state not inverted. start
xor bx,bx
mov bl,GP_INV_OFFSET
; Not invert GPI6 status
mov dx,cx
;
add dx,bx
; bit6 ---> GPI6
in al,dx
; read first
call IODELAY ; io delay
and al,0BFh
; mask bit6 and write 0
out dx,al
; GP_INV bit6 MUST Program 0 for GPI6 state not inverted. end
; ============================ MUST DO ==========================End
