Datasheet

Appendix
Rev. 3.00 Mar. 15, 2006 Page 493 of 526
REJ09B0060-0300
B. I/O Ports
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:
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)