HD64F3687GHV Datasheet, PDF (523/566 Pages) Renesas Technology Corp – Old Company Name in Catalogs and Other Documents

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. 3.00 Sep. 10, 2007 Page 489 of 528
REJ09B0216-0300