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CC8530: CC8530 with I2S mic

minkyo seo
Expert 1230 points
Part Number: CC8530

hi i have a question.

Actually,  I already connected with PCM mic to AIC3204 and connected with cc8530 like Tx board of cc85xxdk-headset design.

And I could send the audio data to Rx board.

But this time I tried to connect with I2S mic to CC8530 directly.

And I could listen any sound.

I check the I2S wave with scope and i could find some I2S waves.

but it couldn't work.

Any tips or information for connection between cc8530 and I2S mic.

Thank you for reading my question. and please ANSWER me.

Thanks

  • 0
    TI__Guru** 105180 points
    Hello,

    Unfortunately, we do not have an example of using an I2S mic directly connected to CC8530. I suggest using the reference implementation in the CC85XXDK-HEADSET.

    Best wishes
  • 0 in reply to JXS
    Expert 1230 points
    Hi

    I have one more question.

    on my system, I'm using I2S mic with cc8530 without mclk.

    Now bclk is working with falling edge to detection.

    How can I change rising edge?

    Is there some way?

    Please answer me

    Thank you for answering me.

    Bye