User`s manual
D–4 Sample Circuits RabbitCore RCM2200
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.
Sample Program: EXTSRAM.C in SAMPLES/RCM2200.
Figure D–4: Sample External Memory Connections
RabbitCore
RCM2200
SRAM
D0D7
PE7
/IORD
/IOWR
A0A3
A0A3
D0D7
/WE
/OE
/CE
10 kW
Vcc