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D.3 External Memory
The sample circuit can be used with an external 64K memory device. Larger SRAMs can
be written to using this scheme by using other available Rabbit 2000 ports (parallel ports
A to E) as address lines.
SRAM
A0–A3
D0–D7
/WE
/OE
/CE
Figure D-4. Sample External Memory Connections
Sample Program:
EXTSRAM.C
48
10 kW
Vcc
in
SAMPLES\RCM2200
RabbitCore
RCM2200
A0–A3
D0–D7
/IOWR
/IORD
PE7
.
RabbitCore RCM2200
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