User`s manual

68 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.
Figure D-4. Sample External Memory Connections
Sample Program: EXTSRAM.C in SAMPLES\RCM2200.
RCM2200
Prototyping Board
SRAM
D0D7
PE7
/IORD
/IOWR
A0A3
A0A3
D0D7
/WE
/OE
/CE
10 kW
Vcc