Renesas H8 Series

Appendix C I/O Port Block Diagrams
Rev. 7.00 Mar 10, 2005 page 625 of 652
REJ09B0042-0700
P4
2
SCI3 module
Internal data bus
PDR4
2
SCINV3
PCR4
2
SBY
V
SS
PDR4: Port data register 4
PCR4: Port control register 4
TXD32
V
CC
SPC32
Figure C.3(b) Port 4 Block Diagram (Pin P4
2
)