Advantech PCA-6028 User Manual page 109

INC DX
MOV AL,07H ; Select logical device 7
OUT DX,AL ;
DEC DX
MOV AL,E0H
OUT DX,AL
INC DX
MOV AL,00H ; 1:Input 0:output for GPIO respective
OUT DX,AL
DEC DX
MOV AL,E2H ;
OUT DX,AL
INC DX
MOV AL,00H ;Set GPIO is normal not inverter
OUT DX,AL;
DEC DX
MOV AL,E1H
OUT DX,AL
INC DX
MOV AL,??H ; Put the output value into AL
OUT DX,AL
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Exit extended function mode |
------------------------------------------
MOV DX,2EH
MOV AL,AAH
OUT DX,AL
99 PCA-6028 User Manual