F71862
8.8GPIO Registers (CR06)
8.8.1
GPIO0 Registers
GPIO0 Output Enable Register Index F0h
Bit Name R/W Default
7-4 Reserved
Description
-
0
0
Reserved
3
2
1
0
GPIO03_OE
GPIO02_OE
GPIO01_OE
GPIO00_OE
R/W
0: GPIO03 is in input mode.
1: GPIO03 is in output mode.
R/W
R/W
R/W
0
0
0
0: GPIO02 is in input mode.
1: GPIO02 is in output mode.
0: GPIO01 is in input mode.
1: GPIO01 is in output mode.
0: GPIO00 is in input mode.
1: GPIO00 is in output mode.
GPIO0 Output Data Register Index F1h
Bit Name R/W Default
7-4 Reserved
Description
-
0
1
Reserved
3
2
1
0
GPIO03_VAL
R/W
0: GPIO03 outputs 0 when in output mode.
1: GPIO03 outputs 1 when in output mode.
GPIO02_VAL
GPIO01_VAL
GPIO00_VAL
R/W
R/W
R/W
1
1
1
0: GPIO02 outputs 0 when in output mode.
1: GPIO02 outputs 1 when in output mode.
0: GPIO01 outputs 0 when in output mode.
1: GPIO01 outputs 1 when in output mode.
0: GPIO00 outputs 0 when in output mode.
1: GPIO00 outputs 1 when in output mode.
GPIO0 Pin Status Register Index F2h
Bit Name R/W Default
7-4 Reserved
Description
-
0
-
Reserved
3
2
1
0
GPIO03_IN
GPIO02_IN
GPIO01_IN
GPIO00_IN
R
R
R
R
The pin status of GPIO03/WDTRST#.
The pin status of SLOTOCC#/GPIO02.
The pin status of GPIO01.
-
-
-
The pin status of GPIO00.
GPIO0 Drive Enable Register Index F3h
Bit Name R/W Default
7-4 Reserved
Description
-
0
0
Reserved
3
2
1
GPIO03_DRV_EN
R/W
0: GPIO03 is open drain in output mode.
1: GPIO03 is push pull in output mode.
GPIO02_DRV_EN
GPIO01_DRV_EN
R/W
R/W
0
0
0: GPIO02 is open drain in output mode.
1: GPIO02 is push pull in output mode.
0: GPIO01 is open drain in output mode.
1: GPIO01 is push pull in output mode.
86
July, 2008
V.28P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
