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TLV320AIC3254: MCLK sync I2S issue

Patrick Chen
Mastermind 8875 points
Part Number: TLV320AIC3254


Hello,

           if external I2S bit clock enter MCLK pin of AIC3254, could AIC3254 sync I2S data successfully and don't need via Bit clock pin of aic3254? If could use MCLK pin for audio source clock, how to implement this function? Thank you. 

BR

Patrick

  • 0
    TI__Guru 57800 points

    Hi, Patrick,

    Assuming the operation of the device is Slave I²S mode, the application you mention is not possible as a Bit clock is required.

    I think you are trying to configure the part to use a 3-wire I²S interface,  if that is the case, the correct way to implement this will be to generate the internal system clock from the clock on BCLK pin instead of MCLK pin, so a clock in MCLK will not be required.

    Best Regards,

      -Diego Meléndez López
       Audio Applications Engineer