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ZedBoard Hardware Design Difference between AXI4 mode burst and DMA
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Related

Difference between AXI4 mode burst and DMA

100mokhtar
100mokhtar over 12 years ago

Hi all,
What is the difference between AXI4 with mode burst and  using the DMA??

Thank you,
Mokhtar.

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  • Former Member
    0 Former Member over 12 years ago

    AXI4-Burst is the protocol used by DMA IP-Cores to move data in the AXI4.

    When you need an IP-Core to copy data, use the DMA IP-Core.
    On all other actions, like you have lots of data you need to do some calculations on, generate a custom IP-Core.

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  • 100mokhtar
    0 100mokhtar over 12 years ago

    Hi,
    The problem is I created a peripheral with CIP ( AXI4 burst capable high-throughput memory mapped interface), I connected the slave of peripheral to the master GP2 of PS and its Master to the HP0 of PS (64 bits). I choose the option to generate the ISE project and template driver files of peripheral with quite the default options (added software reset). So, I don't use the DMA IP-core but my example worked with AXI4 burst mode ( the example generated by XPS worked correctly).
    So, any help?
    Mokhtar.

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  • 100mokhtar
    0 100mokhtar over 12 years ago

    I use just axi_interconnect to connect the masters and the salves.

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  • Former Member
    0 Former Member over 12 years ago

    I don't understand what your problem is

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  • 100mokhtar
    0 100mokhtar over 12 years ago

    Hi,
    My problem I don't know , if the program is working properly, because I used the AXI4 bus with burst mode and without DMA

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  • 100mokhtar
    0 100mokhtar over 12 years ago

    More precisely, can I use only the axi bus with Burst mode and without DMA??or the burst mode with AXI4 requires obligatory DMA controller??

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  • Former Member
    0 Former Member over 12 years ago

    The Xilinx DMA IP-Core is just an IP-Core you can use to copy data, its not required in any way.

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  • Former Member
    0 Former Member over 12 years ago

    Before working with your own peripheral you should read ug761_axi_reference_guide.pdf

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