Datasheet

Appendix C I/O Port Block Diagrams
Rev. 6.00 Aug 04, 2006 page 642 of 680
REJ09B0145-0600
P3
3
V CC
SCI31 module
PDR3
3
PCR3
3
SBY
V
SS
PDR3: Port data register 3
PCR3: Port control register 3
PUCR3: Port pull-up control re
g
ister 3
SCKIE31
SCKOE31
SCKO31
SCKI31
Internal data bus
PUCR3
3
V
CC
Figure C.3 (d) Port 3 Block Diagram (Pin P3
3
)