HD6433308 Datasheet, PDF (248/349 Pages) Hitachi Semiconductor – Hitachi Single-Chip MicroComputer

11.4 Master-Slave Interconnections
Figure 11-4 shows an example of the master-slave interconnections when the master chip is an
H8/532.
A15 – A4
A3 – A0
D7 – D0
WR
RD
IRQ
H8/532
Decoder
Address bus
Data bus
CS
RS3 – RS0
DDB7 – DDB 0
WE
OE
RDY
H8/330
Note:An external pull-up resistor should be connected to the RDY output pin.
Figure 11-4. Interconnection to H8/532 (Example)
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