HD6473032F16 Datasheet, PDF (822/847 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Appendix C I/O Port Block Diagrams
P9 _n
Reset
R
Q
D
P9 _n DDR
C
WP9D
Reset
R
Q
D
P9_n DR
C
WP9
SCI
Clock input
enable
Clock output
enable
Clock output
RP9
Legend:
WP9D: Write to P9DDR
WP9: Write to port 9
RP9: Read port 9
Note: n = 4 or 5
Figure C.9 (d) Port 9 Block Diagram (Pins P9₄, P9₅)
Clock input
Interrupt
controller
IRQ ₄
IRQ ₅
input
Rev. 3.00 Mar 21, 2006 page 792 of 814
REJ09B0302-0300