F81867 Datasheet, PDF (154/315 Pages) Feature Integration Technology Inc. – 6 UARTs μSuper IO With 128 Bytes FIFO and Power Saving Functions

7.7.6 GPIO2x Configuration Registers
Register
0x[HEX]
D0
Register Name
GPIO2 Output Enable Register
D1
GPIO2 Output Data Register
D2
GPIO2 Pin Status Register
D3
GPIO2 Drive Enable Register
F81867
MSB
Default Value
LSB
0
0
0
0
0
0
0
0
1
1
1
1
1
1
1
1
-
-
-
-
-
-
-
-
0
0
0
0
0
0
0
0
GPIO2 Output Enable Register ⎯ Index D0h
Bit
Name
R/W Reset Default
Description
0: GPIO27 is in input mode.
7
GPIO27_OE
R/W 5VSB 0
1: GPIO27 is in output mode.
0: GPIO26 is in input mode.
6
GPIO26_OE
R/W 5VSB 0
1: GPIO26 is in output mode.
0: GPIO25 is in input mode.
5
GPIO25_OE
R/W 5VSB 0
1: GPIO25 is in output mode.
0: GPIO24 is in input mode.
4
GPIO24_OE
R/W 5VSB 0
1: GPIO24 is in output mode.
0: GPIO23 is in input mode.
3
GPIO23_OE
R/W 5VSB 0
1: GPIO23 is in output mode.
0: GPIO22 is in input mode.
2
GPIO22_OE
R/W 5VSB 0
1: GPIO22 is in output mode.
0: GPIO21 is in input mode.
1
GPIO21_OE
R/W 5VSB 0
1: GPIO21 is in output mode.
0: GPIO20 is in input mode.
0
GPIO20_OE
R/W 5VSB 0
1: GPIO20 is in output mode.
GPIO2 Output Data Register ⎯ Index D1h (This byte could be also written by base address + 8 if
GPIO_DEC_RANGE is set to “1”)
Bit
Name
R/W Reset Default
Description
0: GPIO27 outputs 0 when in output mode.
7
GPIO27_VAL R/W 5VSB 1
1: GPIO27 outputs1 when in output mode.
0: GPIO26 outputs 0 when in output mode.
6
GPIO26_VAL R/W 5VSB 1
1: GPIO26 outputs1 when in output mode.
0: GPIO25 outputs 0 when in output mode.
5
GPIO25_VAL R/W 5VSB 1
1: GPIO25 outputs 1 when in output mode.
0: GPIO24 outputs 0 when in output mode.
4
GPIO24_VAL R/W 5VSB 1
1: GPIO24 outputs 1 when in output mode.
0: GPIO23 outputs 0 when in output mode.
3
GPIO23_VAL R/W 5VSB 1
1: GPIO23 outputs 1 when in output mode.
0: GPIO22 outputs 0 when in output mode.
2
GPIO22_VAL R/W 5VSB 1
1: GPIO22 outputs 1 when in output mode.
0: GPIO21 outputs 0 when in output mode.
1
GPIO21_VAL R/W 5VSB 1
1: GPIO21 outputs 1 when in output mode.
154
Dec, 2011
V0.12P