HD6473032F Datasheet, PDF (557/572 Pages) Hitachi Semiconductor – Hitachi Microcomputer

Reset
R
Q
D
P9₄DDR
C
WP9D
Reset
SCI
Clock input
enable
R
P9₄
Q
D
P9₄DR
C
WP9
Clock output
enable
Clock output
WP9D: Write to P9DDR
WP9: Write to port 9
RP9: Read port 9
n = 4, 5
RP9
Clock input
Interrupt controller
IRQ₄ input
Figure C-8 (c) Port 9 Block Diagram (Pin P9₄)
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