Hitachi H8/3022 Hardware Manual page 656

P9
n
WP9D: Write to P9DDR
WP9: Write to port 9
RP9: Read port 9
n = 4 or 5
Figure C-8 (d) Port 9 Block Diagram (Pins P9
Reset
R
Q D
P9 DDR
n
C
WP9D
Reset
R
Q D
P9 DR
n
C
WP9
RP9
and P9 )
4 5
SCI
Clock input
enable
Clock output
enable
Clock output
Clock input
Interrupt controller
IRQ IRQ input
4, 5
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