Datasheet

Appendix C I/O Port Block Diagrams
Rev.6.00 Sep. 27, 2007 Page 1230 of 1268
REJ09B0220-0600
C.5 Port 5
R
P50DDR
C
QD
Reset
WDDR0
Reset
WDR5
R
C
QD
P5
0
RDR5
RPOR5
Internal data bus
SCI module
IRQPAS
IRQ4 interrupt input
Serial transmit output
enable
P50DR
Legend:
WDDR5: Write to P5DDR
WDR5: Write to P5DR
RDR5: Read P5DR
RPOR5: Read port 5
IRQPAS: IRQ port switching select
Serial transmit data
Figure C.5 (a) Port 5 Block Diagram (Pin P5
0
)