Appendix B I/O Port Block Diagrams; I/O Port Block Diagrams; Figure B.1 Port 1 Block Diagram (P17) - Renesas H8 Series Hardware Manual

Appendix B I/O Port Block Diagrams

B.1

I/O Port Block Diagrams

RES goes low in a reset, and SBY goes low in a reset and in standby mode.
Internal data bus
IRQ
TRGV
[Legend]
PUCR: Port pull-up control register
PMR:
PDR:
PCR:
RES SBY
PUCR
PMR
PDR
PCR
Port mode register
Port data register
Port control register

Figure B.1 Port 1 Block Diagram (P17)

Rev. 3.00 Sep. 14, 2006 Page 379 of 408
Appendix
Pull-up MOS
REJ09B0105-0300