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TLV320AIC3254: How to implement "Analog in or I2S in, line out and I2S out simultaneously"

Tom.Liu
Prodigy 10 points
Part Number: TLV320AIC3254


Hi,

My costomer required one of the analog in or I2S in at one time, and line out and I2S out simultaneously,

I configured the audio input and audio output settings by CS tool, enable the analog in and I2S in, and enable line out and I2S out.

but the result is when I input analog and digital at the same time, analog only output to I2S, and digital only output to line out, independently.

So what configuration do I miss to set up?

Do you have some demo code for reference? please help.

thanks.

  • 0
    TI__Mastermind 30220 points

    Tom, 

    If you are using the AIC3254CS GUI the controls for the Analog bypass are under Analog settings>>audio outputs 

    the outputs must have the MAL and MAR inputs assigned,  and then the MAL and MAR mute must be disabled .

    best regards,

    -Steve Wilson