
C165H
Parallel Ports
Data Sheet
146
2001-04-19
PRELMNARY
-EXCERPT-
P3PUDEN (FE80
H
/ 40
H
)
15
14
P3PU
DEN.
15
rw
-
SFR
Reset Value: - - 00
H
3
2
P3PU
DEN.
3
rw
-
P3PHEN (FE82
H
/ 41
H
)
15
14
P3
PHEN
.15
.13
rw
-
SFR
Reset Value: - - 00
H
3
2
P3
PHEN
.3
rw
-
Bit
Function
P3PUDEN.y
Pulldown/Pullup Enable
P3PUDEN.y = 0: internal programmable pull transistor is disabled
P3PUDEN.y = 1: internal programmable pull transistor is enabled
Bit
Function
P3PHEN.y
Output Driver Enable in Power Down Mode
P3PHEN.y = 0: output driver is disabled in power down mode
P3PHEN.y = 1: output driver is enabled in power down mode
5
4
1
0
11
10
9
8
7
6
13
12
P3PU
DEN.
13
rw
P3PU
DEN.
5
rw
P3PU
DEN.
6
rw
P3PU
DEN.
7
rw
P3PU
DEN.
8
rw
P3PU
DEN.
9
rw
P3PU
DEN.
10
rw
P3PU
DEN.
11
rw
-
-
-
-
-
-
-
-
rw
P3PU
DEN.
12
5
4
1
0
11
10
9
8
7
6
13
12
P3
PHEN
P3
PHEN
.5
rw
P3
PHEN
.6
rw
P3
PHEN
.7
rw
P3
PHEN
.8
rw
P3
PHEN
.9
rw
P3
PHEN
.10
rw
P3
PHEN
.11
rw
-
-
-
-
-
-
-
-
rw
rw
P3
PHEN
.12