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AM6548: DMA questions

Kuerbis
Expert 4145 points

Part Number: AM6548

Hi Team.

 

I have few questions of DMA.

How many transactions can be issued at same time?

How is Max Burst length?

 

Thanks and Best regards,

Kuerbis

  • 0
    TI__Guru* 93671 points

    Hi Kuerbis,

    this can be a rather involved answer because the DMA architecture is so diverse in the AM65x.  Please refer to many of the DMA details in Ch10 of the TRM. For example, the UDMA-C can handle 512 channels each which can handle numerous transactions at the same time.  The PDMA can also handle multiple channels simultaneously.  

    The UDMAs can handle upto 128 byte bursts.

    Thanks,

    james