Hitachi H8/3022 Hardware Manual page 655

P9
n
WP9D: Write to P9DDR
WP9: Write to port 9
RP9: Read port 9
n = 2 or 3
Figure C-8 (c) Port 9 Block Diagram (Pins P9
646
Reset
R
Q D
P9 DDR
n
C
WP9D
Reset
R
Q D
P9 DR
n
C
WP9
RP9
and P9
2
SCI
Input
enable
Serial receive
data
)
3