HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 847

• Manufacturer Part Number: HD6433044
• Description: (HD64 Series) Hitachi Single-Chip Microcomputer
• Manufacturer: Hitachi Semiconductor

P9
WP9D:
WP9:
RP9:
n = 4 and 5
n
Write to P9DDR
Write to port 9
Read port 9
Figure C-9 (d) Port 9 Block Diagram (Pins P9
840
RP9
Q
Q
P9 DDR
P9 DR
WP9D
WP9
n
Reset
Reset
n
C
C
R
R
D
D
4
, P9
5
)
Clock input
enable
Clock output
enable
Clock output
Clock input
Interrupt
controller
IRQ
input
SCI
4
or
IRQ
5