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LIS3DH ADC function problem

Question asked by Jason Kuo on Jan 12, 2018
Latest reply on Jan 17, 2018 by Miroslav B

Hi, I got a problem in LIS3DH ADC function, we use LIS3DH ADC1 to detect the battery power in our product, but now we found that ADC can't work in the new lot of LIS3DH, the date cod is 8734. And the lot of data code 8518 is the last lot we used and it works fine in our product. Can anyone help me to find if any change in LIS3DH ADC function after the data cod 8518?  

And please refer my attached pictures to show the I2C waveform, the data always is 0 when we read out from ADC1 register of date code 8734 chip. The waveform of date code 8518 chip can show the right data of ADC1.