F81867 Datasheet, PDF (277/315 Pages) Feature Integration Technology Inc. – 6 UARTs μSuper IO With 128 Bytes FIFO and Power Saving Functions

0: GPIO81 is in input mode.
1
GPIO81_OE
R/W LRESET# 0
1: GPIO81 is in output mode.
0: GPIO80 is in input mode.
0
GPIO80_OE
R/W LRESET# 0
1: GPIO80 is in output mode.
GPIO8 Output Data Register ⎯ offset 89h
Bit
Name
R/W Reset Default
Description
0: GPIO87 outputs 0 when in output mode.
7
GPIO87_VAL
R/W LRESET# 1
1: GPIO87 outputs 1 when in output mode.
0: GPIO86 outputs 0 when in output mode.
6
GPIO86_VAL
R/W LRESET# 1
1: GPIO86 outputs 1 when in output mode.
0: GPIO85 outputs 0 when in output mode.
5
GPIO85_VAL
R/W LRESET# 1
1: GPIO85 outputs 1 when in output mode.
0: GPIO84 outputs 0 when in output mode.
4
GPIO84_VAL
R/W LRESET# 1
1: GPIO84 outputs 1 when in output mode.
0: GPIO83 outputs 0 when in output mode.
3
GPIO83_VAL
R/W LRESET# 1
1: GPIO83 outputs 1 when in output mode.
0: GPIO82 outputs 0 when in output mode.
2
GPIO82_VAL
R/W LRESET# 1
1: GPIO82 outputs 1 when in output mode.
0: GPIO81 outputs 0 when in output mode.
1
GPIO81_VAL
R/W LRESET# 1
1: GPIO81 outputs 1 when in output mode.
0: GPIO80 outputs 0 when in output mode.
0
GPIO80_VAL
R/W LRESET# 1
1: GPIO80 outputs 1 when in output mode.
GPIO8 Pin Status Register ⎯ offset 8Ah
Bit
Name
R/W Reset Default
Description
7
GPIO87_IN
R
-
- The pin status of GPIO87/PD7.
6
GPIO86_IN
R
-
- The pin status of GPIO86/PD6.
5
GPIO85_IN
R
-
- The pin status of GPIO85/PD5.
4
GPIO84_IN
R
-
- The pin status of GPIO84/PD4.
3
GPIO83_IN
R
-
- The pin status of GPIO83/PD3.
2
GPIO82_IN
R
-
- The pin status of GPIO82/PD2.
1
GPIO81_IN
R
-
- The pin status of GPIO81/PD1.
0
GPIO80_IN
R
-
- The pin status of GPIO80/PD0.
GPIO8 Drive Enable Register ⎯ offset 8Bh
Bit
Name
R/W Reset Default
Description
0: GPIO87 is open drain in output mode.
7 GPIO87_DRV_EN R/W LRESET# 0
1: GPIO87 is push pull in output mode.
0: GPIO86 is open drain in output mode.
6 GPIO86_DRV_EN R/W LRESET# 0
1: GPIO86 is push pull in output mode.
0: GPIO85 is open drain in output mode.
5 GPIO85_DRV_EN R/W LRESET# 0
1: GPIO85 is push pull in output mode.
277
F81867
Dec, 2011
V0.12P