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PCM9211: PCM9211 for SPDIFF O/P

Ian Wang
Mastermind 25095 points
Part Number: PCM9211

Hi Sir,

Would you pls advise if PCM9211 have SPDIFF o/p?

Thanks, Ian.

  • 0
    TI__Guru 62085 points

    Hi Ian,

    Yes, information on this is in the "DIT" section of the datasheet.  The front page image shows an example with S/PDIF Inputs and S/PDIF Outputs shown.  

  • 0 in reply to Collin Wells
    TI__Mastermind 25095 points

    Hi Colin,

    Due to urgent need provide code to customer replace AKM solution, would you pls kindly provide code to us for test?

    Excuse I don't have EVM now but applied, thanks.

    Condition: S/PDIF Inputs and S/PDIF Outputs.

    Thanks, Ian.

  • 0 in reply to Ian Wang
    TI__Mastermind 23050 points

    Hi Ian,

    The exact config will depend on how you plan to test but in order to pass a coax S/PDIF signal on RXIN0 to the DIR and have the DIT output S/PDIF all you need to set is:

    w 80 34 00 #Set RXIN0 as Biphase input select for DIR and COAX amp on
    w 80 60 00 #Set DIT clocks to DIR/ADC automatic
    w 80 78 0D #Set MPO0 to TXOUT (default)

    The last command is a default setting but I included it just for clarity. This will accept a coax input and output on the optical connector of the EVM. No jumpers should need to be changed on the EVM.

    If you want to use an optical input instead of Coax, then you should use this script:

    w 70 04 04 #Set optical mux IC to RXIN2 (external to PCM9211)
    w 80 34 02 #Set DIR input to RXIN2
    w 80 60 00 #Set DIT clocks to DIR/ADC automatic

    Best,

    Zak

  • 0 in reply to Zak Kaye
    TI__Mastermind 25095 points

    Hi Zak,

    Thanks for help.

    May I confirm again if my step by step is correct?? thanks.

    Thanks, Ian.

  • 0 in reply to Ian Wang
    TI__Mastermind 23050 points

    Hi Ian,

    This should work, though it does not look like you have an EVM connected in your example. Note it is better to write the script directly as you have done as some of the settings in the PMC9211 EVM don't make the correct register writes.

    Best,

    Zak

  • 0 in reply to Zak Kaye
    TI__Mastermind 25095 points

    Hi Zak,

    Thanks for great support, I worked in customer side using PCM9211 EVM verification SPDIFF IN/OUT is success.

    We will replace AKM DAC from Jan. production.

    Another question, Can PCM9211 support I2S In/Out? How to setup register?

    Thanks, Ian.

  • 0 in reply to Ian Wang
    TI__Mastermind 23050 points

    Hi Ian,

    Yes the PCM9211 supports multiple I2S in/out ports and routing between S/PDIF and I2S. It also includes an integrated ADC. I recommend spending some time reviewing the datasheet and let me know if you have any questions. The exact register writes will depend on where you are trying to route data, what you want the clock sources to be, etc. 

    Best,

    Zak