HD6413007F20 Datasheet, PDF (755/798 Pages) Renesas Technology Corp – Hardware Manual Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

C.4 Port 8 Block Diagrams
P80
Appendix C I/O Port Block Diagrams
Reset
R
Q
D
P80DDR
C
WP8D
Reset
R
Q
D
P80DR
C
WP8
Refresh controller
Output enable
RFSH
output
RP8
Interrupt controller
Legend:
WP8D: Write to P8DDR
WP8: Write to port 8
RP8: Read port 8
Figure C.4 (a) Port 8 Block Diagram (Pin P8₀)
IRQ0 input
Rev.5.00 Sep. 12, 2007 Page 725 of 764
REJ09B0396-0500