HD6432633 Datasheet, PDF (1403/1453 Pages) Renesas Technology Corp – Series of Microcomputers (MCUs: microcomputer units)

C.14 Port 3 Block Diagram
*1
P30
*2
Reset
R
QD
P30DDR
C
WDDR3
Reset
R
QD
P30DR
C
WDR3
Reset
R
QD
P30ODR
C
WODR3
RODR3
RDR3
SCI module
Serial transmit enable
Serial transmit data
TxD0/IrTxD
RPOR3
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
Figure C-14 (a) Port 3 Block Diagram (Pin P30)
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