F71869A
0: GPIO26 is in input mode.
1: GPIO25 is in output mode.
6
5
4
3
2
1
0
GPIO26_OE
GPIO25_OE
GPIO24_OE
GPIO23_OE
GPIO22_OE
GPIO21_OE
GPIO20_OE
R/W
R/W
R/W
R/W
R/W
R/W
R/W
0
0
0
0
0
0
0
0: GPIO25 is in input mode.
1: GPIO25 is in output mode.
0: GPIO24 is in input mode.
1: GPIO24 is in output mode.
0: GPIO23 is in input mode.
1: GPIO23 is in output mode.
0: GPIO22 is in input mode.
1: GPIO22 is in output mode.
0: GPIO21 is in input mode.
1: GPIO21 is in output mode.
0: GPIO20 is in input mode.
1: GPIO20 is in output mode.
6.8.17 GPIO2 Output Data Register ⎯ Index D1h
Bit
Name
R/W Default
Description
0: GPIO27 outputs 0 when in output mode.
1: GPIO27 outputs 1 when in output mode.
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: GPIO26 outputs 0 when in output mode.
1: GPIO26 outputs 1 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: 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.
6.8.18 GPIO2 Pin Status Register ⎯ Index D2h
Bit
7
Name
R/W Default
Description
The pin status of SIN2/GPIO27.
GPIO27_IN
GPIO26_IN
GPIO25_IN
GPIO24_IN
GPIO23_IN
GPIO22_IN
GPIO21_IN
GPIO20_IN
R
R
R
R
R
R
R
R
-
-
-
-
-
-
-
-
6
The pin status of SOUT2/GPIO26.
The pin status of DSR2#/GPIO25.
The pin status of RTS2#/GPIO24.
The pin status of DTR2#/GPIO23.
The pin status of CTS2#/GPIO22.
The pin status of RI2#/GPIO21.
The pin status of DCD2#/GPIO20.
5
4
3
2
1
0
117
Oct., 2011
V0.19P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
