H8-3067 Datasheet, PDF (925/963 Pages) Renesas Technology Corp – Renesas 16-Bit Single-Chip Microcomputer H8 Family/H8/300H Series

C.10 Port A Block Diagrams
Hardware standby
PA n
Appendix C I/O Port Block Diagrams
Reset
R
Q
D
PA_n DDR
C
WPAD
Reset
R
Q
D
PA_n DR
C
WPA
TPC
TPC
output
enable
Next data
Output
trigger
DMA controller
Output
enable
Transfer
end output
WPAD: Write to PADDR
WPA: Write to port A
RPA: Read port A
n = 0 and 1
RPA
16-bit timer
Counter
clock input
8-bit timer
Counter
clock input
Figure C.10 (a) Port A Block Diagram (Pins PA₀, PA₁)
Rev. 4.00 Jan 26, 2006 page 903 of 938
REJ09B0276-0400