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| HD6473032F Datasheet, PDF (555/572 Pages) Hitachi Semiconductor – Hitachi Microcomputer | |||
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C.8 Port 9 Block Diagram
P90
Reset
R
Q
D
P90DDR
C
WP9D
Reset
R
Q
D
P90DR
C
WP9
SCI
Output enable
Serial data
RP9
WP9D: Write to P9DDR
WP9: Write to port 9
RP9: Read port 9
Figure C-8 (a) Port 9 Block Diagram (Pin P90)
540
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