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mcasp using dmax in c672x

nikhil bollampally
Prodigy 90 points

hi ,

 i have configured mcasp rx and tx with one serializer each for rx and tx, its working good

but it only works when my sysclk2 is half of the core clock can anyone give an explanation why it is so

i have read the datasheet but got nothing from it

i am providing ext clk of 2Mhz and sync of 8khz

and configured mcasp for 32 tdm slots out of witch 8 are active and remaining 24 are in active

  • 0
    TI__Genius 14545 points

    Nikhil,

       The McASP expects a clock provided from the SYSCLK clocking domain. WIthin the McASP Module, there are additional clock dividers that are configurable based upon the clock that is provided to the module. If you change the clock to the module, you will also need to reconfigure the module clock dividers to ensure proper operation. The registers are available in the McASP User's Guide for the part you are working with.