HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 841

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

C.8 Port 8 Block Diagrams
P8
WP8D:
WP8:
RP8:
0
Write to P8DDR
Write to port 8
Read port 8
Figure C-8 (a) Port 8 Block Diagram (Pin P8
834
Mode 7
Q
Q
RP8
P8 DDR
P8 DR
WP8D
WP8
0
Reset
Reset
C
0
C
R
R
0
D
D
)
Refresh
controller
Interrupt
controller
Output
enable
IRQ
input
0
RFSH
output