Acrosser AR-B8172 - Manual (Page 32)

AR-B8172 User Manual
4.3 GPIO Programming
Data Port
(GPIO0 Base Address 0 Refers to the Register of index 61h-60h, IDSEL = AD18/SB of PCI
Configuration Register)
(GPIO1 Base Address 1 Refers to the Register of index 63h-62h, IDSEL = AD18/SB of PCI
Configuration Register)
(GPIO2 Base Address 2 Refers to the Register of index 65h-64h, IDSEL = AD18/SB of PCI
Configuration Register)
(GPIO3 Base Address 3 Refers to the Register of index 67h-66h, IDSEL = AD18/SB of PCI
Configuration Register)
(GPIO4 Base Address 4 Refers to the Register of index 69h-68h, IDSEL = AD18/SB of PCI
Configuration Register)
IO Address Register Name
BA[0] + 00h GPIO PORT0 Data Register
BA[1] + 00h GPIO PORT1 Data Register
BA[2] + 00h GPIO PORT2 Data Register
BA3 + 00h GPIO PORT3 Data Register
BA4 + 00h
GPIO PORT4 Data Register
Direction Port
(Base Address Refers to the Register of index 6Bh-6Ah, IDSEL = AD18/SB of PCI Configuration
Register)
IO Address Register Name
BA + 00h
GPIO PORT0 Data Register
BA + 01h
GPIO PORT1 Data Register
BA + 02h GPIO PORT2 Data Register
BA + 03h
GPIO PORT3 Data Register
BA + 04h
GPIO PORT4 Data Register
BA + 06h
GPIO PORT1 Interrupt Status Register
BA + 07h GPIO PORT0 Interrupt Status Register
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