WIN Enterprises PL-80230, Руководство пользователя

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User’s Manual
Custom Embedded Solutions
WIN Enterprises, Inc. sales@win-ent.com www-win-ent.com (978)688-2000
74
Segment 1: Control by GPIO 38
Normal state (Behavior A)
===============================
MOV DX, 4B8H ;address
IN AX, DX ;read value
AND AL, 0BFH ;mask bit 6
OR AL, 00H ;set bit 6 = 0
OUT DX, AL ;send value
Bypass Enabled (Behavior B)
===============================
MOV DX, 4B8H ;address
IN AX, DX ;read value
AND AL, 0BFH ;mask bit 6
OR AL, 40H ;set bit 6 = 1
OUT DX, AL ;send value
Segment 2: Control by GPIO 39
Normal state (Behavior A)
===============================
MOV DX, 4B8H ;address
IN AX, DX ;read value
AND AL, 07FH ;mask bit 7
OR AL, 00H ;set bit 7 = 0
OUT DX, AL ;send value
Bypass Enabled (Behavior B)
===============================
MOV DX, 4B8H ;address
IN AX, DX ;read value
AND AL, 07FH ;mask bit 7
OR AL, 80H ;set bit 7 = 1
OUT DX, AL ;send value