AVR-Chat

Hi;

bcz of my oldness, I didn't understand exactly your
problem, but using one SRAM with more than one
cpu/micro depends on application. but as usual, you
shoud use but tranceivers and isolate address/data bus
of each cpu from the other.

as a suggestion, if timing of two 128's arent very
important, during memory transactions made by other
cpu, you can halt the other one. or simply share a
signal between two micro's to synchronize memory
access, but in all cases you need to use bus
trenceivers such as 74245.

if you want to deal with more than one chip to share
between more cpu's you can also use a FPGA and
synchronize access to SRAM modules using an unused
interrupt (highest priority, to stop cpu functioning).

good luck.



		
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