Contec BX-700W, Manual, Page: 56 / 58

3-4
Appendix
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GPIO Sample Code
GPI 0 ~ GPI 3
GPI 0 GPI 1 GPI 2 GPI 3
IO Address
SIO GPIO Register
82h 82h 82h 82h
Bit 0 1 2 3
Sample code #1 #1 #1 #1
GPO 0 ~ GPO 3
GPO 0 GPO 1 GPO 2 GPO 3
IO Address
SIO GPIO Register
81h 81h 81h 81h
Bit 4 5 6 7
Sample code #2 #2 #2 #2
SIO_INDEX_Port equ 04Eh
SIO_DATA_Port equ 04Fh
SIO_UnLock_Value equ 087h
SIO_Lock_Value equ 0AAh
SIO_LDN_GPIO equ 06h
GPI_REG equ 082h
GPO_REG equ 081h
GPO_0 equ 00010000b
GPO_1 equ 00100000b
GPO_2 equ 01000000b
GPO_3 equ 10000000b