HD64F3670 Datasheet, PDF (291/323 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

Appendix B I/O Port Block Diagrams
B.1 I/O Port Block
5(6 goes low in a reset, and 6%< 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. 2.0, 03/02, page 267 of 298