HD64F3670 Datasheet, PDF (299/323 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

Internal data bus
PUCR
PMR
PDR
PCR
Pull-up MOS
Legend
PUCR: Port pull-up control register
PMR: Port mode register
PDR: Port data register
PCR: Port control register
Figure B.9 Port 5 Block Diagram (P55)
Rev. 2.0, 03/02, page 275 of 298