H83068F Datasheet, PDF (890/935 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

Appendix C I/O Port Block Diagrams
SSOE
Software standby
External bus release
Hardware standby
Reset
R
Q
D
P8 ₁ DDR
C
WP8D
Mode
6/7
Reset
R
P8_n
Mode 1 to 5
Q
D
P8₁ DR
C
Bus controller
WP8
CS₃ output
RAS₃ output
RAS₃ output enable
Area 3 DRAM
connection enable
RP8
Interrupt
controller
IRQ₁ input
WP8D: Write to P8DDR
WP8: Write to port 8
RP8: Read port 8
SSOE: Software standby output port enable
Figure C.8 (b) Port 8 Block Diagram (Pin P8₁)
Rev. 3.00 Sep 14, 2005 page 868 of 910
REJ09B0258-0300