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C161 Datasheet(PDF) 135 Page - Infineon Technologies AG

Part # C161
Description  16-Bit Single-Chip Microcontroller
PDF  400 Pages
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Manufacturer  INFINEON [Infineon Technologies AG]
Direct Link  http://www.infineon.com
Logo INFINEON - Infineon Technologies AG

C161 Datasheet(HTML) 135 Page - Infineon Technologies AG

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&3,
3DUDOOHO 3RUWV
User’s Manual
7-9
1999-08
7.4
PORT0
The two 8-bit ports P0H and P0L represent the higher and lower part of PORT0,
respectively. Both halfs of PORT0 can be written (e.g. via a PEC transfer) without
effecting the other half.
If this port is used for general purpose IO, the direction of each line can be configured
via the corresponding direction registers DP0H and DP0L.
P0L
PORT0 Low Register
SFR (FF00
H/80H
Reset value: - - 00
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
P0L
.7
P0L
.6
P0L
.5
P0L
.4
P0L
.3
P0L
.2
P0L
.1
P0L
.0
-
-
-
-
-
-
-
-
rw
rw
rw
rw
rw
rw
rw
rw
P0H
PORT0 High Register
SFR (FF02
H/81H)
Reset value: - - 00
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
P0H
.7
P0H
.6
P0H
.5
P0H
.4
P0H
.3
P0H
.2
P0H
.1
P0H
.0
-
-
-
-
-
-
-
-
rw
rw
rw
rw
rw
rw
rw
rw
Bit
Function
P0X.y
Port data register P0H or P0L bit y
DP0L
P0L Direction Ctrl. Register
ESFR (F100
H/80H)
Reset value: - - 00
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
DP0L
.7
DP0L
.6
DP0L
.5
DP0L
.4
DP0L
.3
DP0L
.2
DP0L
.1
DP0L
.0
-
-
-
-
-
-
-
-
rw
rw
rw
rw
rw
rw
rw
rw
DP0H
P0H Direction Ctrl. Register
ESFR (F102
H/81H)
Reset Value: - - 00
H
15
14
13
12
11
10
9
8
7
6
5
4
3
2
1
0
DP0H
.7
DP0H
.6
DP0H
.5
DP0H
.4
DP0H
.3
DP0H
.2
DP0H
.1
DP0H
.0
-
-
-
-
-
-
-
-
rw
rw
rw
rw
rw
rw
rw
rw



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