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EvalADE7878A with extern MCU by isolated pins

Question asked by AaronEco on Sep 8, 2017
Latest reply on Sep 28, 2017 by AaronEco

Hello, 

 

I want to use the eval board for ADE7878A with an external MCU by using the isolated pins. 

I have tried to use the non isolated pins, it works correctly. But when I use the P17 port (isolated) I get wrong values (365072V instead of 230V). I closed the jumper JP21, soldered JP71, 72, 73, 74 for SPI use and reset the board MCU. Did I miss something ?

 

Thank you for your help.

 

Aaron

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