HD6433044 Hitachi Semiconductor, HD6433044 Datasheet - Page 833

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

C.3 Port 3 Block Diagram
WP3D:
WP3:
RP3:
n = 0 to 7
P3
n
Write to P3DDR
Write to port 3
Read port 3
Hardware standby
External
bus released
Read external
address
Figure C-3 Port 3 Block Diagram
Mode
1 to 6
Mode 7
826
Write to external
address
Mode 7
Q
Q
RP3
P3 DDR
P3 DR
WP3D
WP3
n
C
C
n
Reset
Reset
R
R
D
D