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TLV320AIC3254: PDM and analog input, I2S output

aggil liang
Expert 2660 points

Part Number: TLV320AIC3254

Dears

    We want to use TLV320AIC3254 to realize below function at the same time , not mixer？ If it can, Can you share the block diagram in the PPS GUI ? thanks 

  •   1xPDM input and I2S output for L channel,
  •   1x Analog input and I2S output for R channel 

  • 0
    TI__Mastermind 30240 points

    Aggil, 

    The main setup difference is setting up the digital mic. 

    page 0, register52 - 0x28 GPIO is digital mic CLK 

    Page 0, Register 81 - 0xD8 #  this sets up the LEFT ADC as PDM input,  with CLK as the PDM input.

    you don't even need PPS to set that up. 

    best regards,

    -Steve Wilson