User`s manual

User’s Manual 51
D.4 External Memory
The sample circuit can be used with an external 64 Kbit 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.
Figure D-5. Sample External Memory Connections
Sample Program: EXTSRAM.C in SAMPLES/COREMODULE.
Rabbit 2000
Core Module
8K × 8
SRAM
D0D7
/BEN
/IOR
/IOW
A0A12
A0A12
D0D7
/WE
/OE
/CE