HD64F3048VTF8 Datasheet, PDF (875/903 Pages) Renesas Technology Corp – Hardware Manual Renesas 8-Bit Single-Chip

C.8 Port 8 Block Diagrams
P8 ₀
Appendix C I/O Port Block Diagrams
Mode 7
Reset
R
Q
D
P8 ₀ DDR
C
WP8D
Reset
R
Q
D
P8₀ DR
C
WP8
Refresh
controller
Output
enable
RFSH
output
RP8
Legend:
WP8D: Write to P8DDR
WP8: Write to port 8
RP8: Read port 8
Figure C.8 (a) Port 8 Block Diagram (Pin P8₀)
Interrupt
controller
IRQ ₀
input
Rev. 3.00 Sep 27, 2006 page 847 of 872
REJ09B0325-0300