Datasheet

Appendix
Rev. 3.00 Sep. 10, 2007 Page 489 of 528
REJ09B0216-0300
Appendix B I/O Port Block Diagrams
B.1 I/O Port Block Diagrams
RES goes low in a reset, and SBY goes low at reset and in standby mode.
PDR
PUCR
PMR
PCR
SBYRES
PUCR: Port pull-up control register
PMR: Port mode register
PDR: Port data register
PCR: Port control register
IRQ
TRGV
Internal data bus
Pull-up MOS
[Legend]
Figure B.1 Port 1 Block Diagram (P17)