HD6413002 Datasheet, PDF (682/700 Pages) Renesas Technology Corp – High-performance single-chip microcontroller

C.5 Port 9 Block Diagrams
P9 _n
Reset
R
Q
D
P9 _n DDR
C
WP9D
Reset
R
Q
D
P9_n DR
C
WP9
RP9
SCI
Output
enable
Serial
transmit
data
WP9D: Write to P9DDR
WP9: Write to port 9
RP9: Read port 9
n = 0 and 1
Figure C-5 (a) Port 9 Block Diagram (Pins P9₀, P9₁)
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