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Substituting ADAU1761 for ADAU1781

Question asked by chuckwin on Oct 3, 2017

Hello,

We just received notice that the ADAU1781 is in its last-time-buy phase.

We would like to substitute the ADAU1761 in its place.

I know the footprint is identical, and I know the dsp resources only differ in delay ram. 

If we substitute the ADAU1761, will it work with existing firmware written for ADAU1781? Or would we need to re-compile the Sigma Studio project with the 1761 hardware defined then regenerate the program and parameter addresses?

Ideally, we are looking for the AOK from you guys so we don't have to divert resources to re-vet a legacy product in our line.

Thanks for any advice you can offer.

chuck

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