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Altera_Forum
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15 years ago

External Avalon MM interface

Hi all, I need to interface a microporcessor external to fpga to a Nios system using a shared memory. So, I thought to use a onchip memory module in dual port configuration which will be accesse...
Altera_Forum's avatar
Altera_Forum
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15 years ago

Hi Cris,

You can refer to some examples provided at:

http://www.altera.com/support/examples/nios2/exm-avalon-mm.html

But it seems that it can add to some complexity of your design requirement. If so, you can take a look at options given in:

http://www.altera.com/literature/hb/nios2/external_processor_if.pdf

Please refer to p11 of above pdf file titled "Custom Bridge Interfaces". I think that it is the simplest method of having external processor accessing an SOPC builder system peripherals.

Hope this helps.

Cheers,

BD