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ONLY USE S/PDIF Transmitter IN adsp21565?

I want ONLY use  S/PDIF Transmitte  in adsp21565 and i encount some issue .

the route: sport3B(tx)---------SPDIF TX0 (tx) ---------DAI0_PIN08(TX)

1 the next picture about my pcg B config and it's right?

nDIV=2 ,ADI_PCG_CLK_EXT=24.576MHz(DAI0_PIIN03)

2 the next picture about my SPDIF TX0 config and it's right?

3 the next picture about my SPOTRT 3b config and it's right?

AND NOW THE ABOVE CONFIG IS ALL RIGHT?

QUESTION:

1 THE dai0-pin08 is need extra config in hardware ? need a resistance or something?

2 the sport3B need extra config in coding?



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[edited by: GenevaCooper at 3:27 PM (GMT -5) on 22 Dec 2023]

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  • Hi,

    There is an example code for SPDIF in ADSP-21569 BSP, could you please refer that code for SPDIF configuration which may helpful for your application. Please find the BSP link below
    download.analog.com/.../ADI_EV-2156x_EZ-KIT-Rel1.0.1.exe

    Path: \Analog Devices\EV-2156x_EZ-KIT-Rel1.0.1\EV-2156x_EZ-KIT\Examples\drivers\adc\SPDIF_ASRC_DAC_AudioPassthrough

    Also, for further assistance, please explain more about what issue you're facing ?

    Regards,
    Divya.P

  • so what should i do to address this  issue (the output left channel audio with noise,and right channel audio is worse than  left channel audio)

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