D12320VF25IV Datasheet, PDF (1262/1304 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

Appendix C I/O Port Block Diagrams
C.5 Port 5
P5₀
Reset
R
Q
D
P50DDR
C
WDDR0
Reset
R
Q
D
P50DR
C
WDR5
RDR5
SCI module
Serial transmit output
enable
Serial transmit data
RPOR5
Legend:
WDDR5: Write to P5DDR
WDR5: Write to P5DR
RDR5: Read P5DR
RPOR5: Read port 5
IRQPAS: IRQ port switching select
IRQPAS
IRQ4 interrupt input
Figure C.5 (a) Port 5 Block Diagram (Pin P5₀)
Rev.6.00 Sep. 27, 2007 Page 1230 of 1268
REJ09B0220-0600