Advantech UNO-3072A, User Manual

Page: 83 / 84

73 Appendix B
OUT DX,AL
43 Appendix A
MOV DX,4FH
MOV AL,01H; 01:activate 00:inactivate
OUT DX,AL;
MOV DX,4EH
MOV AL,F5H; Setting counter unit is second
OUT DX,AL
MOV DX,4FH
MOV AL,00H
OUT DX,AL;
MOV DX,4EH
MOV AL,F6H
OUT DX,AL
MOV DX,4FH
MOV AL,05H; Set 5 seconds
OUT DX,AL
;------------------------------------------
; Exit extended function mode |
;------------------------------------------
MOV DX,4EH
MOV AL,AAH
OUT DX,AL