HD64F3670 Datasheet, PDF (296/323 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

Internal data bus
PDR
PCR
SCI3
RE
RxD
Legend
PDR: Port data register
PCR: Port control register
Figure B.6 Port 2 Block Diagram (P21)
Rev. 2.0, 03/02, page 272 of 298