XC886/888CLM
Parallel Ports
User’s Manual
6-38
V1.3, 2010-02
Parallel Ports, V 1.0
P3_PUDEN
Port 3 Pull-Up/Pull-Down Enable Register
Reset Value: 40
H
7
6
5
4
3
2
1
0
P7
P6
P5
P4
P3
P2
P1
P0
rw
rw
rw
rw
rw
rw
rw
rw
Field
Bits
Type Description
Pn
(n = 0 – 7)
n
rw
Pull-Up/Pull-Down Enable at Port 3 Bit n
0
Pull-up or Pull-down device is disabled.
1
Pull-up or Pull-down device is enabled.
P3_ALTSELn (n = 0 – 1)
Port 3 Alternate Select Register
Reset Value: 00
H
7
6
5
4
3
2
1
0
P7
P6
P5
P4
P3
P2
P1
P0
rw
rw
rw
rw
rw
rw
rw
rw
Field
Bits
Type Description
Pn
(n = 0 - 7)
n
rw
Pin Output Functions
Configuration of Px_ALTSEL0.Pn and
Px_ALTSEL1.Pn for GPIO or alternate settings:
00
Normal GPIO
10
Alternate Select 1
01
Alternate Select 2
11
Alternate Select 3
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