HD6433308 HITACHI [Hitachi Semiconductor], HD6433308 Datasheet - Page 102

• Manufacturer Part Number: HD6433308
• Description: Hitachi Single-Chip MicroComputer
• Manufacturer: HITACHI [Hitachi Semiconductor]

P3
n
Mode 3
Figure 5-3. Port 3 Schematic Diagram
Mode 1 or 2
External
address
write
CS
OE
87
DPME Mode 3
External address read
WP3D: Write Port 3 DDR
WP3:
RP3: Read Port 3
n = 0 to 7
WP3D: Write Port 3 DDR
WP3:
RP3:
n = 0 to 3
CS
WE
CS
WE
Write Port 3
Write Port 3
Read Port 3
Q
Q
P3nDDR
RP3
P3nDR
WP3D
WP3
Reset
Reset
C
C
R
R
Figure 5-3
D
D