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Original question:

TLV320AIC3105: I2C Interface Timing Spec

TLV320AIC3105: PDM support

Shunsuke Nagata
Genius 14300 points

Part Number: TLV320AIC3105

HI,

Could you please let me  know if MIC input (such as MIC1L, LINE1L) support PDM signal?

If it support PDM, could you please let me know how to connect PDM data and clock?

Regards,
Nagata.

  • 0
    TI__Expert 6440 points

    Hi Nagata-san, 

    Unfortunately, AIC3105 will not be suitable for use with digital microphones. For digital microphone we would recommend AIC3106 (https://www.ti.com/product/TLV320AIC3106

    AIC3105 is an optimized version of AIC3106 with the GPIOs removed and is therefore unable to support digital microphones. The description of Page 0, Register 107, bits D5-D4 is an error in the datasheet. We regret the inconvenience. 

    Best Regards.