BCM MX3350N, User Manual

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4.2 GPIO Sample Code
GPI 0 ~ GPI 3
GPI 0 GPI 1 GPI 2 GPI 3
IO Address
SIO GPIO Register 92h 92h 92h 92h
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 A2h A2h A2h A2h
Bit 3 4 5 6
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
SIO_GPO_Data equ 0A1h
SIO_GPO_Status equ 0A2h
SIO_GPI_Status equ 092h
GPI_0 equ 00000001b
GPO_0 equ 00010000b
GPO_2 equ 01000000b