F81866A Datasheet, PDF (148/210 Pages) Feature Integration Technology Inc. – 6 UARTs Super IO With 128 Bytes FIFO and Power

F81866A
7.7.5.GPIO1x Configuration Registers
Register
0x[HEX]
E0
Register Name
GPIO1 Output Enable Register
E1
GPIO1 Output Data Register
E2
GPIO1 Pin Status Register
E3
GPIO1 Drive Enable Register
E8
GPIO1 SMI Enable Register
E9
GPIO1 SMI Status Register
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
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
0
7.7.5.1GPIO1 Output Enable Register ⎯ Index E0h
Bit
Name
R/W Reset Default
Description
0: GPIO17 is in input mode.
7
GPIO17_OE
R/W 5VSB 0
1: GPIO17 is in output mode.
0: GPIO16 is in input mode.
6
GPIO16_OE
R/W 5VSB 0
1: GPIO16 is in output mode.
0: GPIO15 is in input mode.
5
GPIO15_OE
R/W 5VSB 0
1: GPIO15 is in output mode.
0: GPIO14 is in input mode.
4
GPIO14_OE
R/W 5VSB 0
1: GPIO14 is in output mode.
0: GPIO13 is in input mode.
3
GPIO13_OE
R/W 5VSB 0
1: GPIO13 is in output mode.
0: GPIO12 is in input mode.
2
GPIO12_OE
R/W 5VSB 0
1: GPIO12 is in output mode.
0: GPIO11 is in input mode.
1
GPIO11_OE
R/W 5VSB 0
1: GPIO11 is in output mode.
0: GPIO10 is in input mode.
0
GPIO10_OE
R/W 5VSB 0
1: GPIO10 is in output mode.
7.7.5.2GPIO1 Output Data Register ⎯ Index E1h (This byte could be also written by base address + 7)
Bit
Name
R/W Reset Default
Description
0: GPIO17 outputs 0 when in output mode.
7
GPIO17_VAL R/W 5VSB 1
1: GPIO17 outputs1 when in output mode.
0: GPIO16 outputs 0 when in output mode.
6
GPIO16_VAL R/W 5VSB 1
1: GPIO16 outputs1 when in output mode.
0: GPIO15 outputs 0 when in output mode.
5
GPIO15_VAL R/W 5VSB 1
1: GPIO15 outputs 1 when in output mode.
0: GPIO14 outputs 0 when in output mode.
4
GPIO14_VAL R/W 5VSB 1
1: GPIO14 outputs 1 when in output mode.
0: GPIO13 outputs 0 when in output mode.
3
GPIO13_VAL R/W 5VSB 1
1: GPIO13 outputs 1 when in output mode.
148
Jan, 2012
V0. 12P