F81867
GPIO8 Output Data Register ⎯ Index 89h (This byte could be also written by base address + 2)
Bit
Name
R/W Reset Default
Description
0: GPIO87 outputs 0 when in output mode.
1: GPIO87 outputs 1 when in output mode.
7
GPIO87_VAL
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: GPIO86 outputs 0 when in output mode.
1: GPIO86 outputs 1 when in output mode.
6
5
4
3
2
1
0
GPIO86_VAL
GPIO85_VAL
GPIO84_VAL
GPIO83_VAL
GPIO82_VAL
GPIO81_VAL
GPIO80_VAL
0: GPIO85 outputs 0 when in output mode.
1: GPIO85 outputs 1 when in output mode.
0: GPIO84 outputs 0 when in output mode.
1: GPIO84 outputs 1 when in output mode.
0: GPIO83 outputs 0 when in output mode.
1: GPIO83 outputs 1 when in output mode.
0: GPIO82 outputs 0 when in output mode.
1: GPIO82 outputs 1 when in output mode.
0: GPIO81 outputs 0 when in output mode.
1: GPIO81 outputs 1 when in output mode.
0: GPIO80 outputs 0 when in output mode.
1: GPIO80 outputs 1 when in output mode.
GPIO8 Pin Status Register ⎯ Index 8Ah (This byte could be also read by base address + 2)
Bit
7
Name
R/W Reset Default
Description
GPIO87_IN
GPIO86_IN
GPIO85_IN
GPIO84_IN
GPIO83_IN
GPIO82_IN
GPIO81_IN
GPIO80_IN
R
R
R
R
R
R
R
R
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
-
The pin status of GPIO87/PD7.
The pin status of GPIO86/PD6.
The pin status of GPIO85/PD5.
The pin status of GPIO84/PD4.
The pin status of GPIO83/PD3.
The pin status of GPIO82/PD2.
The pin status of GPIO81/PD1.
The pin status of GPIO80/PD0.
6
5
4
3
2
1
0
GPIO8 Drive Enable Register ⎯ Index 8Bh
Name R/W Reset Default
Bit
Description
0: GPIO87 is open drain in output mode.
1: GPIO87 is push pull in output mode.
7
GPIO87_DRV_EN R/W LRESET#
GPIO86_DRV_EN R/W LRESET#
GPIO85_DRV_EN R/W LRESET#
GPIO84_DRV_EN R/W LRESET#
GPIO83_DRV_EN R/W LRESET#
GPIO82_DRV_EN R/W LRESET#
0
0
0
0
0
0
0: GPIO86 is open drain in output mode.
1: GPIO86 is push pull in output mode.
6
5
4
3
2
0: GPIO85 is open drain in output mode.
1: GPIO85 is push pull in output mode.
0: GPIO84 is open drain in output mode.
1: GPIO84 is push pull in output mode.
0: GPIO83 is open drain in output mode.
1: GPIO83 is push pull in output mode.
0: GPIO82 is open drain in output mode.
1: GPIO82 is push pull in output mode.
167
Dec, 2011
V0.12P
FINTEK [ FEATURE INTEGRATION TECHNOLOGY INC. ]
