F81867 Datasheet, PDF (269/315 Pages) Feature Integration Technology Inc. – 6 UARTs μSuper IO With 128 Bytes FIFO and Power Saving Functions

4
GPIO34_IN
R
-
- The pin status of RTS3#/GPIO34.
3
GPIO33_IN
R
-
- The pin status of DTR3#/GPIO33.
2
GPIO32_IN
R
-
- The pin status of CTS3#/GPIO32.
1
GPIO31_IN
R
-
- The pin status of RI3#/GPIO31.
0
GPIO30_IN
R
-
- The pin status of DCD3#/GPIO30.
GPIO3 Drive Enable Register ⎯ offset C3h
Bit
Name
R/W Reset Default
Description
0: GPIO37 is open drain in output mode.
7 GPIO37_DRV_EN R/W LRESET# 0
1: GPIO37 is push pull in output mode.
0: GPIO36 is open drain in output mode.
6 GPIO36_DRV_EN R/W LRESET# 0
1: GPIO36 is push pull in output mode.
0: GPIO35 is open drain in output mode.
5 GPIO35_DRV_EN R/W LRESET# 0
1: GPIO35 is push pull in output mode.
0: GPIO34 is open drain in output mode.
4 GPIO34_DRV_EN R/W LRESET# 0
1: GPIO34 is push pull in output mode.
0: GPIO33 is open drain in output mode.
3 GPIO33_DRV_EN R/W LRESET# 0
1: GPIO33 is push pull in output mode.
0: GPIO32 is open drain in output mode.
2 GPIO32_DRV_EN R/W LRESET# 0
1: GPIO32 is push pull in output mode.
0: GPIO31 is open drain in output mode.
1 GPIO31_DRV_EN R/W LRESET# 0
1: GPIO31 is push pull in output mode.
0: GPIO30 is open drain in output mode.
0 GPIO30_DRV_EN R/W LRESET# 0
1: GPIO30 is push pull in output mode.
GPIO4 Output Enable Register ⎯ offset B0h
Bit
Name
R/W Reset Default
Description
0: GPIO47 is in input mode.
7
GPIO47_OE
R/W LRESET# 0
1: GPIO47 is in output mode.
0: GPIO46 is in input mode.
6
GPIO46_OE
R/W LRESET# 0
1: GPIO45 is in output mode.
0: GPIO45 is in input mode.
5
GPIO45_OE
R/W LRESET# 0
1: GPIO45 is in output mode.
0: GPIO44 is in input mode.
4
GPIO44_OE
R/W LRESET# 0
1: GPIO44 is in output mode.
0: GPIO43 is in input mode.
3
GPIO43_OE
R/W LRESET# 0
1: GPIO43 is in output mode.
0: GPIO42 is in input mode.
2
GPIO42_OE
R/W LRESET# 0
1: GPIO42 is in output mode.
0: GPIO41 is in input mode.
1
GPIO41_OE
R/W LRESET# 0
1: GPIO41 is in output mode.
0: GPIO40 is in input mode.
0
GPIO40_OE
R/W LRESET# 0
1: GPIO40 is in output mode.
F81867
269
Dec, 2011
V0.12P