HD643303x Hitachi, HD643303x Datasheet - Page 555

• Manufacturer Part Number: HD643303x
• Description: Hitachi Microcomputer
• Manufacturer: Hitachi

C.8 Port 9 Block Diagram
P9
0
WP9D:
WP9:
RP9:
Write to P9DDR
Write to port 9
Read port 9
Figure C-8 (a) Port 9 Block Diagram (Pin P9
540
Q
Q
RP9
P9
WP9D
P9
WP9
0
C
C
Reset
Reset
DDR
0
DR
R
R
D
D
0
)
Output enable
Serial data
SCI