Datasheet

Appendix C I/O Port Block Diagrams
Rev.6.00 Sep. 27, 2007 Page 1232 of 1268
REJ09B0220-0600
R
P52DDR
C
QD
Reset
WDDR5
Reset
WDR5
R
C
QD
P5
2
Internal data bus
SCI module
Serial clock output
enable
Serial clock output
Serial clock input
enable
P52DR
RDR5
RPOR5
Serial clock input
Legend:
WDDR5: Write to P5DDR
WDR5: Write to P5DR
RDR5: Read P5DR
RPOR5: Read port 5
IRQPAS: IRQ port switching select
IRQPAS
IRQ6 interrupt input
Figure C.5 (c) Port 5 Block Diagram (Pin P5
2
)