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TLV320AIC3204: 8531+3204 there is no data on the data line

Part Number: TLV320AIC3204


      We encountered a problem .

      A product with 8531+3204, which 8531 provides mclk, bclk, lrclk. When I lightly tap the device with my hand, the uplink and downlink data of 3204 disappear. The device must be restarted to restore normal operation.

     I measured the voltage of the IC , and the voltage values was ok. The mclk, bclk, and lrclk of 8531 were still present.

     Why did the data of 3204 disappear? I haven't found the answer.