AXIOMTEK tBOX320-852-FL Series, Руководство пользователя

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tBOX320-852-FL Series U
ser’s Manual
Watchdog Timer
87
APPENDIX B
DIGITAL I/O
Digital I/O Software Programming

Digital Input/Output Assembler Sample Code
;Start set DIO program:
mov dx,4Eh
mov al,87h ;Un-lock super I/O
out dx,al
out dx,al
mov dx,4Eh
mov al,29h
out dx,al
mov dx,4Fh
mov al,02h
out dx,al
mov dx,4Eh
mov al,2Ah
out dx,al
mov dx,4Fh
mov al,01h
out dx,al
mov
dx,4Eh
mov al,07h
out dx,al
mov dx,4Fh
mov al,09h ;Device 9
out dx,al
; Programming GPIO as active.
mov dx,4Eh
mov al,30h
out dx,al
mov dx,4Fh
mov al,03h
out dx,al