F81867 Datasheet, PDF (267/315 Pages) Feature Integration Technology Inc. – 6 UARTs μSuper IO With 128 Bytes FIFO and Power Saving Functions

GPIO2 Output Data Register ⎯ offset D1h
Bit
Name
R/W Reset Default
Description
0: GPIO27 outputs 0 when in output mode.
7
GPIO27_VAL R/W 5VSB 1
1: GPIO27 outputs 1 when in output mode.
0: GPIO26 outputs 0 when in output mode.
6
GPIO26_VAL R/W 5VSB 1
1: GPIO26 outputs 1 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: GPIO25 outputs 0 when in output mode.
4
GPIO24_VAL R/W 5VSB 1
1: GPIO25 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.
0: GPIO20 outputs 0 when in output mode.
0
GPIO20_VAL R/W 5VSB 1
1: GPIO20 outputs 1 when in output mode.
GPIO2 Pin Status Register ⎯ offset D2h
Bit
Name
R/W Reset Default
Description
7
GPIO27_IN
R
-
- The pin status of RSMRST#/GPIO27.
6
GPIO26_IN
R
-
- The pin status of PWROK/GPIO26.
5
GPIO25_IN
R
-
- The pin status of PSON#/GPIO25.
4
GPIO24_IN
R
-
- The pin status of S3#/GPIO24.
3
GPIO23_IN
R
-
- The pin status of PWSOUT#/GPIO23.
2
GPIO22_IN
R
-
- The pin status of PWSIN#/GPIO22.
1
GPIO21_IN
R
-
- The pin status of ATXPG/GPIO21.
0
GPIO20_IN
R
-
- The pin status of ALERT#/GPIO20/SCL/CIRRX#.
GPIO2 Drive Enable Register ⎯ offset D3h
Bit
Name
R/W Reset Default
Description
7-6
Reserved
- 5VSB - Reserved.
5 GPIO25_DRV_EN R/W 5VSB
0: GPIO25 is open drain in output mode.
0
1: GPIO25 is push pull in output mode.
4 GPIO24_DRV_EN R/W 5VSB
0: GPIO25 is open drain in output mode.
0
1: GPIO25 is push pull in output mode.
3 GPIO23_DRV_EN R/W 5VSB
0: GPIO23 is open drain in output mode.
0
1: GPIO23 is push pull in output mode.
2 GPIO22_DRV_EN R/W 5VSB
0: GPIO22 is open drain in output mode.
0
1: GPIO22 is push pull in output mode.
1 GPIO21_DRV_EN R/W 5VSB
0: GPIO21 is open drain in output mode.
0
1: GPIO21 is push pull in output mode.
0 GPIO20_DRV_EN R/W 5VSB
0: GPIO20 is open drain in output mode.
0
1: GPIO20 is push pull in output mode.
267
F81867
Dec, 2011
V0.12P