V
CC
V
CC
P3
2
V
SS
Legend:
PDR3:
Port data register 3
PCR3:
Port control register 3
PMR3:
Port mode register 3
PMR2:
Port mode register 2
PUCR3:
Port pull-up control register 3
Figure C.3 (b) Port 3 Block Diagram (Pin P3
SBY
Appendix C I/O Port Block Diagrams
PMR2
2
PUCR3
2
PMR3
2
PDR3
2
PCR3
2
: Function of H8/3857 Group Only)
2
Rev.3.00 Jul. 19, 2007 page 517 of 532
SCI1 module
SO
1
Internal
data bus
REJ09B0397-0300