F81866A
7.7.8.1GPIO4 Output Enable Register ⎯ Index B0h
Bit
Name
R/W Reset Default
Description
0: GPIO47 is input.
1: GPIO47 is output.
7
GPIO47_OE
R/W LRESET#
R/W LRESET#
R/W LRESET#
R/W LRESET#
R/W LRESET#
R/W LRESET#
R/W LRESET#
R/W LRESET#
0
0
0
0
0
0
0
0
0: GPIO46 is input.
1: GPIO46 is output.
6
5
4
3
2
1
0
GPIO46_OE
GPIO45_OE
GPIO44_OE
GPIO43_OE
GPIO42_OE
GPIO41_OE
GPIO40_OE
0: GPIO45 is input.
1: GPIO45 is output.
0: GPIO44 is input.
1: GPIO44 is output.
0: GPIO43 is input.
1: GPIO43 is output.
0: GPIO42 is input.
1: GPIO42 is output.
0: GPIO41 is input.
1: GPIO41 is output.
0: GPIO40 is input.
1: GPIO40 is output.
7.7.8.2GPIO4 Output Data Register ⎯ Index B1h (This byte could be also written by base address + 10 if
GPIO_DEC_RANGE is set to “1”)
Bit
Name
R/W Reset Default
Description
0: GPIO47 outputs 0 when in output mode.
1: GPIO47 outputs 1 when in output mode.
7
GPIO47_DATA
R/W LRESET#
R/W LRESET#
R/W LRESET#
R/W LRESET#
R/W LRESET#
R/W LRESET#
R/W LRESET#
R/W LRESET#
1
1
1
1
1
1
1
1
0: GPIO46 outputs 0 when in output mode.
1: GPIO46 outputs 1 when in output mode.
6
5
4
3
2
1
0
GPIO46_DATA
GPIO45_DATA
GPIO44_DATA
GPIO43_DATA
GPIO42_DATA
GPIO41_DATA
GPIO40_DATA
0: GPIO45 outputs 0 when in output mode.
1: GPIO45 outputs 1 when in output mode.
0: GPIO44 outputs 0 when in output mode.
1: GPIO44 outputs 1 when in output mode.
0: GPIO43 outputs 0 when in output mode.
1: GPIO43 outputs 1 when in output mode.
0: GPIO42 outputs 0 when in output mode.
1: GPIO42 outputs 1 when in output mode.
0: GPIO41 outputs 0 when in output mode.
1: GPIO41 outputs 1 when in output mode.
0: GPIO40 outputs 0 when in output mode.
1: GPIO40 outputs 1 when in output mode.
7.7.8.3GPIO4 Pin Status Register ⎯ Index B2h (This byte could be also read by base address + 10 if
GPIO_DEC_RANGE is set to “1”)
Bit
7
Name
R/W Reset Default
Description
GPIO47_ST
GPIO46_ST
R
R
-
-
-
-
The pin status of SIN4/GPIO47.
6
The pin status of SOUT4/GPIO46.
155
Jan, 2012
V0. 12P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
