Appendix C I/O Port Block Diagrams; Block Diagrams Of Port 1 - Renesas H8 Series Hardware Manual

Appendix C I/O Port Block Diagrams

Appendix C I/O Port Block Diagrams
C.1

Block Diagrams of Port 1

V
CC
P1
n
PDR1: Port data register 1
PCR1: Port control register 1
PMR1: Port mode register 1
PUCR1: Port pull-up control register 1
n = 7 and 4
m = 4 and 3
Figure C.1(a) Port 1 Block Diagram (Pins P1
Rev. 7.00 Mar 10, 2005 page 616 of 652
REJ09B0042-0700
V
CC
V
SS
SBY (low level during
reset and in standby
mode)
PUCR1
n
PMR1
n
PDR1
n
PCR1
n
and P1 )
7 4
IRQ
m