F71862
1
0
GPIO21_OE
GPIO20_OE
R/W
R/W
0
0
0: GPIO21 is in input mode.
1: GPIO21 is in output mode.
0: GPIO20 is in input mode.
1: GPIO20 is in output mode.
GPIO2 Output Data Register Index D1h
Bit
Name
R/W Default
Description
7
GPIO27_VAL
R/W
R/W
R/W
R/W
R/W
R/W
R/W
R/W
1
1
1
1
1
1
1
1
0: GPIO27 outputs 0 when in output mode.
1: GPIO27 outputs1 when in output mode.
6
5
4
3
2
1
0
GPIO26_VAL
GPIO25_VAL
GPIO24_VAL
GPIO23_VAL
GPIO22_VAL
GPIO21_VAL
GPIO20_VAL
0: GPIO26 outputs 0 when in output mode.
1: GPIO26 outputs1 when in output mode.
0: GPIO25 outputs 0 when in output mode.
1: GPIO25 outputs 1 when in output mode.
0: GPIO24 outputs 0 when in output mode.
1: GPIO24 outputs 1 when in output mode.
0: GPIO23 outputs 0 when in output mode.
1: GPIO23 outputs 1 when in output mode.
0: GPIO22 outputs 0 when in output mode.
1: GPIO22 outputs 1 when in output mode.
0: GPIO21 outputs 0 when in output mode.
1: GPIO21 outputs 1 when in output mode.
0: GPIO20 outputs 0 when in output mode.
1: GPIO20 outputs 1 when in output mode.
GPIO2 Pin Status Register Index D2h
Bit
7
Name
GPIO27_IN
R/W Default
Description
The pin status of PWSOUT#/GPIO27.
The pin status of PWSIN#/GPIO26.
The pin status of PME#/GPIO25.
R
R
R
R
R
R
R
R
-
-
-
-
-
-
-
-
6
GPIO26_IN
GPIO25_IN
GPIO24_IN
GPIO23_IN
GPIO22_IN
GPIO21_IN
GPIO20_IN
5
4
The pin status of ATXPG_IN/GPIO24.
The pin status of GPIO23/RSTCON#.
The pin status of PCIRST3#/GPIO22.
The pin status of PCIRST2#/GPIO21.
The pin status of PCIRST1#/GPIO20.
3
2
1
0
GPIO2 Drive Enable Register Index D3h
Bit
Name
R/W Default
Description
7
GPIO27_DRV_EN
R/W
R/W
R/W
R/W
0
0
0
0
0: GPIO27 is open drain in output mode.
1: GPIO27 is push pull in output mode.
6
5
4
GPIO26_DRV_EN
GPIO25_DRV_EN
GPIO24_DRV_EN
0: GPIO26 is open drain in output mode.
1: GPIO26 is push pull in output mode.
0: GPIO25 is open drain in output mode.
1: GPIO25 is push pull in output mode.
0: GPIO24 is open drain in output mode.
1: GPIO24 is push pull in output mode.
89
July, 2008
V.28P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
