SH7065 Datasheet, PDF (891/941 Pages) Renesas Technology Corp – Renesas 32-Bit RISC Microcomputer SuperH RISC engine Family/SH7000 Series

Appendix C I/O Port Block Diagrams
PBR
RES
PBnDR
PBW
Internal
data bus
Standby
CASHL0
Single-chip mode
PFC
PBnMD0
PBnMD1
PBnIOR
SBYCR
HIZ
Legend:
PBR: Port B read signal
PBW: Port B write signal
RES: Reset signal
Note: n = 18
Figure C.8 PB18/CASHL0/RxD0 Block Diagram
SCI
RxD0
Rev. 5.00 Sep 11, 2006 page 869 of 916
REJ09B0332-0500