HD6433694 Datasheet, PDF (397/432 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

Internal data bus
SBY
PMR
PDR
PCR
SCI3
TxD
Legend
PMR: Port mode register
PDR: Port data register
PCR: Port control register
Figure B.5 Port 2 Block Diagram (P22)
Rev. 4.00, 03/04, page 369 of 400