HD6473032F16 Datasheet, PDF (819/847 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

C.9 Port 9 Block Diagrams
Appendix C I/O Port Block Diagrams
Reset
R
Q
D
P9 ₀ DDR
C
WP9D
Reset
R
P9 ₀
Q
D
P9₀ DR
SCI0
C
WP9
Output
enable
Serial
transmit
data
Guard
time
RP9
Legend:
WP9D: Write to P9DDR
WP9: Write to port 9
RP9: Read port 9
Figure C.9 (a) Port 9 Block Diagram (Pin P9₀)
Rev. 3.00 Mar 21, 2006 page 789 of 814
REJ09B0302-0300