HD64336900G Datasheet, PDF (383/408 Pages) Renesas Technology Corp – 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

Appendix B I/O Port Block Diagrams
B.1 I/O Port Block Diagrams
RES goes low in a reset, and SBY goes low in a reset and in standby mode.
Internal data bus
PUCR
PMR
Pull-up MOS
PDR
PCR
TRGV
[Legend]
PUCR: Port pull-up control register
PMR: Port mode register
PDR: Port data register
PCR: Port control register
Figure B.1 Port 1 Block Diagram (P17)
Rev. 1.00, 11/03, page 355 of 376