HD6413002 Datasheet, PDF (679/700 Pages) Renesas Technology Corp – High-performance single-chip microcontroller

C.4 Port 8 Block Diagrams
Reset
R
Q
D
P8 ₀ DDR
C
WP8D
Reset
R
P8 ₀
Q
D
Refresh
P8₀ DR
controller
C
WP8
Output
enable
RFSH
output
WP8D: Write to P8DDR
WP8: Write to port 8
RP8: Read port 8
RP8
Interrupt
controller
IRQ₀
input
Figure C-4 (a) Port 8 Block Diagram (Pin P8₀)
667