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Transfer of 10-bit ADC data through TMS470's DMA

Wwenquan Lli
Prodigy 50 points

Hello, good people:

Is it possible to use TMS470's DMA to transport the 10-bit ADC data into RAM without the involvement of CPU?

This means that when the 10-bit ADC finishes its analog-to-digital conversion, its data will be automatically transfered into a RAM area without the involvement of CPU.

Thanks in advance!

:)

 

   

 

  • 0
    TI__Genius 14205 points

     

    Hi

    I think you are asking for TMS470R1x series of device. The answer is Yes.

    If the device support DMA and MIBADC, there will be dedicated DMA channels that will help in automatic data transportation into device RAM with out involvement of CPU.

    Please be aware that the TMS470R1 Series (including the TMS470R1A288 device) is not recommended for new designs. However, the device, tool, or software continues to be in production to support existing customers.  Please see the full 'NRDN' notice here.

    Soon TI will be launching the new TMS470M series of microcontrollers.  This series will feature greater ARM CPU performance and a similar peripheral set to the TMS470R1 Series of microcontrollers.  Please come back soon for more information about the TMS470M Series of microcontrollers.  The product preview for the first two microcontrollers in the TMS470M series is available here: TMS470MF0660x - SPNS157.

    Best Regards
    Prathap