Datasheet

Appendix
Rev. 1.50 Sep. 18, 2007 Page 551 of 584
REJ09B0240-0150
B. I/O Port Block Diagrams
B.1 I/O Port Block Diagrams
RES goes low in a reset, and SBY goes low at a reset and in standby mode.
PDR
PUCR
PMR
PCR
SBYRES
PUCR:
PMR:
PDR:
PCR:
Port pull-up control register
Port mode register
Port data register
Port control register
IRQ
TRGV
Internal data bus
Pull-up MOS
[Legend]
Figure B.1 Port 1 Block Diagram (P17)