Renesas H8 Series

Appendix C I/O Port Block Diagrams
Rev. 7.00 Mar 10, 2005 page 623 of 652
REJ09B0042-0700
V
CC
V
CC
V
SS
PUCR3
0
PDR3
0
PCR3
0
UD
SBY
Internal data bus
PDR3:
PCR3:
PMR3:
PUCR3:
Port data register 3
Port control register 3
Port mode register 3
Port pull-up control register 3
P3
0
Timer C
module
PMR3
0
Figure C.2(e) Port 3 Block Diagram (Pin P3
0
)