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Distinguishing an ADSP21489 from an ADSP21488

Question asked by Probbie on Jun 14, 2016
Latest reply on Jul 1, 2016 by Harshit.Gaharwar

Hello folks

I have a board which can go into two different applications. One application requires the ADSP21489, the other can use either the ADSP21488 or ADSP21489. I need to make sure that the application requiring the '489 really does have that part fitted. I have looked at reading the VDD_INT register used for Static Voltage Scaling, but both processors return valid values. I have tried accessing SRAM areas which are supposedly un-populated in the '488, but these seem to work normally in both devices.

Can you suggest how my code might distinguish between these processors?

Many thanks