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Learn about ARM CORTEX MCU DMA

martinvalencia

Good day

I would like to know if there is any document containing information on the application of DMA in applications?

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  • I've used it for the Cortex R (Hercules) and it was not easy to get lots of info.

    I learned it by looking at the demo applications that are available in HALCoGen help,

    Then I read the DMA parts of the reference manual and tried to link all the things together.

    (and appnotes like http://www.ti.com/lit/an/spna231/spna231.pdf )

    And then I used forums to learn that DMA doesn't work for particular memory cache modes.

     

    I'm still not very comfortable that I get everything right in my designs.

    I find it (except for the most straightforward cases) a difficult subject. I always struggle to develop a performant data pipeline

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  • I've used it for the Cortex R (Hercules) and it was not easy to get lots of info.

    I learned it by looking at the demo applications that are available in HALCoGen help,

    Then I read the DMA parts of the reference manual and tried to link all the things together.

    (and appnotes like http://www.ti.com/lit/an/spna231/spna231.pdf )

    And then I used forums to learn that DMA doesn't work for particular memory cache modes.

     

    I'm still not very comfortable that I get everything right in my designs.

    I find it (except for the most straightforward cases) a difficult subject. I always struggle to develop a performant data pipeline

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