Datasheet

Appendix
Rev. 4.00 Mar. 15, 2006 Page 517 of 556
REJ09B0026-0400
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)