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TLV320AIC3254: TLV320AIC3254 mixer function

AJ Cheng
Genius 3615 points
Part Number: TLV320AIC3254

Hello.

I have a question about TLV320AIC3254 mixer function. Can I mixer Digital Mic(Pin 8 and Pin 11) and LINE-IN(IN2 Pin 15 and Pin16) to I2S out.

If Yes. Please kindly provide the Register for our reference. Thanks for Help.~

  • 0
    TI__Guru 57800 points

    Hi, AJ,

    Unfortunately, the mix between digital mic and line inputs is not possible with this device. This is because when using digital microphone, the ADC connection to the internal filters is replaced with the digital mic interface. Only individual operation is supported.

    The only possible way to mix digital mic signal with analog in signal would be to use one channel for the analog input and one channel for the digital mic, then mix these with the miniDSP of the 'AIC3254.

    Best Regards,

      -Diego Meléndez López
       Audio Applications Engineer

  • 0 in reply to Diego Melendez
    Genius 3615 points
    Dear Diego.

    I got it. Thank you for your reply.~