HD6433308 HITACHI [Hitachi Semiconductor], HD6433308 Datasheet - Page 248

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

11.4 Master-Slave Interconnections
Figure 11-4 shows an example of the master-slave interconnections when the master chip is an
H8/532.
Note: An external pull-up resistor should be connected to the RDY output pin.
Figure 11-4. Interconnection to H8/532 (Example)
H8/532
D
A
A
RD
IRQ
WR
7
15
3
– D
– A
– A
0
0
4
Address bus
Decoder
Data bus
237
CS
RS
DDB
RDY
WE
OE
3
– RS
7
H8/330
– DDB
0
0