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P9
n
WP9D:
Write to P9DDR
WP9:
Write to port 9
RP9:
Read port 9
n = 2 and 3
Figure C-9 (c) 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
, P9
2
839
SCI
Input enable
Serial receive
data
)
3
