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DRA829J: What does NO McASP with C66x/C72x mean in the Build Sheet?

Stephen Turner
Genius 3476 points
Part Number: DRA829J

Hi,

We are designing a product using the DRA829J.  We need to pass audio directly to/from the McASP to the C66X or C72x DSP.  

I found something called a "build sheet" which seems to state this is not possible.  What does the below mean?

thanks

Steve

  • 0
    TI__Guru**** 475385 points

    Hi Steve,

    According to interconnect connectivity matrix, it seems McASP is accessible on C6x. I would suggest checking this matrix, it is available in chapter-3 of the Datasheet.

    Regarding driver, driver may not be validated and also not supported on this core.. You would require to port the driver on C6x/C7x cores. 

    Regards,

    Brijesh

  • 0 in reply to Brijesh Jadav
    Genius 3476 points

    Hi Brijesh,

    When you say "driver", what do you mean exactly.  We would require what we used to call the Chip Support Library (CSL).  Is an RTOS compatible CSL available for the C66x and C7x on the J721e?.

    thanks

  • +1 in reply to Stephen Turner
    TI__Guru**** 475385 points

    Hi Stephen,

    I meant the driver available in the ti-processor-sdk-rtos-j721e-evm-08_05_00_11\pdk_jacinto_08_05_00_36\packages\ti\drv\mcasp folder. This does not seem to be supported C6x and C7x cores.

    If you are using directly CSL layer, i think it should be accessible on C cores.

    Regards,

    Brijesh