I use the ADE7878 3 wire 3 phase to get the voltage and current values,the communication way is spi mode,I can get the ic's id by reading the register 0xe7fe ,the id is 0xe0,but can't get the three phase voltage values.the CVRMS  always keep the ware althought the C phase changed. Following is my circurt and code configure,please help me,the trouble is disturbing me all the time .Thanks!


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