HD6433694 Datasheet, PDF (398/432 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

Internal data bus
SBY
PDR
PCR
SCI3
RE
RxD
Legend
PDR: Port data register
PCR: Port control register
Figure B.6 Port 2 Block Diagram (P21)
Rev. 4.00, 03/04, page 370 of 400