HD64F3687HV Datasheet, PDF (497/538 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Tiny Series

Appendix B I/O Port Block Diagrams
Appendix
B.1 I/O Port Block Diagrams
RES goes low in a reset, and SBY goes low at reset and in standby mode.
Internal data bus
RES SBY
PUCR
PMR
Pull-up MOS
PDR
PCR
IRQ
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.5.00 Nov. 02, 2005 Page 463 of 500
REJ09B0027-0500