H83062 Datasheet, PDF (983/1021 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Appendix C I/O Port Block Diagrams
Hardware
standby
Reset
R
Q
D
P9 ₁ DDR
C
WP9D
Reset
R
P91
Q
D
P9₁ DR
SCI
C
WP9
Output
enable
Serial
transmit
data
Guard time
RP9
WP9D : Write to P9DDR
WP9 : Write to port 9
RP9 : Read port 9
Figure C.9 (b) Port 9 Block Diagram (Pin P9₁)
Rev. 6.00 Mar 18, 2005 page 935 of 970
REJ09B0215-0600