F71862
3
2
1
0
GPIO23_DRV_EN
GPIO22_DRV_EN
GPIO21_DRV_EN
GPIO20_DRV_EN
R/W
R/W
R/W
R/W
0
0
0
0
0: GPIO23 is open drain in output mode.
1: GPIO23 is push pull in output mode.
0: GPIO22 is open drain in output mode.
1: GPIO22 is push pull in output mode.
0: GPIO21 is open drain in output mode.
1: GPIO21 is push pull in output mode.
0: GPIO20 is open drain in output mode.
1: GPIO20 is push pull in output mode.
8.8.4
GPIO3 Registers
GPIO3 Output Enable Register Index C0h
Bit Name R/W Default
7-4 Reserved
Description
-
-
Reserved.
3
2
1
0
GPIO33_OE
GPIO32_OE
GPIO31_OE
GPIO30_OE
R/W
0
0: GPIO33 is in input mode.
1: GPIO33 is in output mode.
R/W
R/W
R/W
0
0
0
0: GPIO32 is in input mode.
1: GPIO32 is in output mode.
0: GPIO31 is in input mode.
1: GPIO31 is in output mode.
0: GPIO30 is in input mode.
1: GPIO30 is in output mode.
GPIO3 Output Data Register Index C1h
Bit Name R/W Default
7-4 Reserved
Description
-
-
Reserved.
3
2
1
0
GPIO33_VAL
R/W
1
0: GPIO33 outputs 0 when in output mode.
1: GPIO33 outputs 1 when in output mode.
GPIO32_VAL
GPIO31_VAL
GPIO30_VAL
R/W
R/W
R/W
1
1
1
0: GPIO32 outputs 0 when in output mode.
1: GPIO32 outputs 1 when in output mode.
0: GPIO31 outputs 0 when in output mode.
1: GPIO31 outputs 1 when in output mode.
0: GPIO30 outputs 0 when in output mode.
1: GPIO30 outputs 1 when in output mode.
GPIO3 Pin Status Register Index C2h
Bit Name R/W Default
7-4 Reserved
Description
-
-
-
-
-
-
Reserved.
3
2
1
0
GPIO33_IN
GPIO32_IN
GPIO31_IN
GPIO30_IN
R
R
R
R
The pin status of RSMRST#/GPIO33.
The pin status of PWROK/GPIO32.
The pin status of PS_ON#/GPIO31.
The pin status of S3#/GPIO30.
90
July, 2008
V.28P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
