HD64F3670 Datasheet, PDF (287/305 Pages) Renesas Technology Corp – Hitachi Single-Chip Microcomputer

Internal data bus
PUCR
PDR
PCR
Pull-up MOS
Legend
PUCR: Port pull-up control register
PDR: Port data register
PCR: Port control register
Figure C.4 Port 1 Block Diagram (P11)
Rev. 1.0, 03/01, page 263 of 280