HD64F3039F18 Datasheet, PDF (688/710 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family / H8/300H Series

Appendix C I/O Block Diagrams
C.8 Port 9 Block Diagram
P9₀
Reset
R
Q
D
P9₀DDR
C
WP9D
Reset
R
Q
D
P9₀DR
C
WP9
RP9
SCI0
Output enable
Serial transmit
data
Guard time
Legend:
WP9D: Write to P9DDR
WP9: Write to port 9
RP9: Read port 9
Figure C.8 (a) Port 9 Block Diagram (Pin P9₀)
Rev.3.00 Mar. 26, 2007 Page 664 of 682
REJ09B0353-0300