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| HD6473032F Datasheet, PDF (549/572 Pages) Hitachi Semiconductor – Hitachi Microcomputer | |||
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C.3 Port 3 Block Diagram
Hardware
standby
Mode 2/3
Write to external
address
Reset
R
Q
D
P3nDDR
C
WP3D
Reset
Mode 2/3
R
P3n
Q
D
P3nDR
C
Mode 1
WP3
RP3
Read external
address
WP3D: Write to P3DDR
WP3: Write to port 3
RP3: Read port 3
n = 0 to 7
Figure C-3 Port 3 Block Diagram
534
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