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CC2564C: PCM master/slave configuration: contradictory documentation references

Manolis Stefanakis
Prodigy 80 points
Part Number: CC2564C


Hi,

We are working with the CC2564CQFN-EM over the STM3240G-EVAL (using the CC256XEM-STADAPT) and play with the voice/audio apps (HFP & A3DP roles) provided within the CC2564CSTBTBLESW stack.

We need to evaluate both PCM configurations (master & slave) of the controller but when advising the documentation released we notice contradictory references on the patch required for the CC2564CQFN-EM board. More precisely, in http://www.ti.com/lit/ug/swru498a/swru498a.pdf (page 5) the guidance is:

and then in http://www.ti.com/lit/ml/swru495a/swru495a.pdf (page 6) we see:

Kindly advise which one is the appropriate to follow before putting hands on the boards.

Thanks,

Manolis

  • 0
    TI__Mastermind 29311 points

    Manolis,

    Thank you for pointing out this inconsistency. SWRU498 is correct.

    Manolis Stefanakis said:

    Additionally, I have notified the documentation team internally to have this corrected in SWRU493 and SWRU495. The information in these 2 documents should be updated soon. Thanks again!

    Best regards,

    Vihang

  • 0 in reply to Vihang Parmar
    Prodigy 80 points

    Hi Vihang,

    Thank you for your clear response, after which, I understand that for the above host (STM3240G-EVAL) the CC2564C controller should always be configured as PCM slave when it comes to voice and audio applications - at least for the TI's reference demos. Is this correct?

    Thanks,

    Manolis

  • 0 in reply to Manolis Stefanakis
    TI__Mastermind 29311 points

    Manolis Stefanakis said:
    Thank you for your clear response, after which, I understand that for the above host (STM3240G-EVAL) the CC2564C controller should always be configured as PCM slave when it comes to voice and audio applications - at least for the TI's reference demos. Is this correct?

    Yes, that is correct for sample applications/demos included in the CC2564CSTBTBLESW. I'd like to also point out that you will need to make few register changes on the CC256XEM-STADAPT Board as indicated in the SWRU498.

    Best regards,

    Vihang

  • 0 in reply to Vihang Parmar
    Prodigy 80 points

    Vihang Parmar said:

     I'd like to also point out that you will need to make few register changes on the CC256XEM-STADAPT Board as indicated in the SWRU498.

    Of course, already aware...

    Thanks,

    Manolis