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How to recognize ADE7878 from ADE7878A via SPI

Question asked by sedgewicks on Jun 15, 2017
Latest reply on Jun 15, 2017 by nchandra

Hello,

we have a design that uses ADE7878A.

For a purchase error we bought and assembled many ADE7878. As we use some new features of the ADE7878A (like LRIP registers), we need to fix the firmware in order to recognize which version is assembled. The communication occurs via SPI.

 

Is there a way to distinguish between the A version and the non-A one? A register or something like that?
Thanks.

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