XC886/888CLM
Parallel Ports
User’s Manual
6-18
V1.3, 2010-02
Parallel Ports, V 1.0
P0_OD
Port 0 Open Drain Control 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
Port 0 Pin n Open Drain Mode
0
Normal mode; output is actively driven for 0 and
1 states (default)
1
Open drain mode; output is actively driven only
for 0 state
P0_PUDSEL
Port 0 Pull-Up/Pull-Down Select Register
Reset Value: FF
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 Select Port 0 Bit n
0
Pull-down device is selected.
1
Pull-up device is selected (default).
*