Datasheet

Appendix C I/O Port Block Diagrams
Rev.6.00 Sep. 27, 2007 Page 1233 of 1268
REJ09B0220-0600
R
P53DDR
C
QD
Reset
WDDR5
Reset
Modes
4 to 6
WDR5
R
C
QD
P5
3
RDR5
RPOR5
Internal data bus
A/D converter
Bus controller
A/D converter external
trigger input
Bus request output
enable
IRQPAS
IRQ7 interrupt input
WAITPS
Wait input
Wait input pin enable
Modes 4 to 6
BREQOPS
Bus request output
P53DR
Legend:
WDDR5: Write to P5DDR
WDR5: Write to P5DR
RDR5: Read P5DR
RPOR5: Read port 5
IRQPAS: IRQ port switching select
WAITPS: Wait pin select
BREQOPS: BREQO pin select
Bus controller
Figure C.5 (d) Port 5 Block Diagram (Pin P5
3
)