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*
1
P34
*
2
Legend
WDDR3
: Write to P3DDR
WDR3
: Write to P3DR
WODR3
: Write to P3ODR
RDR3
: Read P3DR
RPOR3
: Read port 3
RODR3
: Read P3ODR
1114
*
Notes: 1. Output enable signal
Figure C-2 (e) Port 3 Block Diagram (Pin P34)
Reset
R
Q
P34DDR
C
WDDR3
Reset
R
Q
P34DR
C
WDR3
Reset
R
Q
P34ODR
C
WODR3
RODR3
RDR3
RPOR3
2. Open drain control signal
* Priority order: IIC output > DR output
D
D
D
SCI module
Serial receive
data enable
Serial receive data
RxD1
IIC0 module
SDA0 output
IIC0 output enable
SDA0 Input
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