P9
n
WP9D:
Write to P9DDR
WP9:
Write to port 9
RP9:
Read port 9
n =
4 and 5
Figure C-8 (d) Port 9 Block Diagram (Pin P9
Reset
R
Q
D
P9
DDR
n
C
WP9D
Reset
R
Q
D
P9
DR
n
C
WP9
RP9
, P9
)
4
5
SCI
Clock input
enable
Clock output
enable
Clock output
Clock input
Interrupt controller
IRQ
IRQ
input
4,
5
667