HD6432633 Datasheet, PDF (1363/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

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