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IWR6843: Maximum SPI Bitrate

Dave Ochs
Prodigy 250 points
Part Number: IWR6843

Hi,

What is the maximum bitrate that can be achieved with SPI on the IWR6843? Any advice on how to maximize it?

Thanks,

Dave

  • 0
    TI__Mastermind 30405 points
    Hi Dave,

    Please refer to the following thread which applies to the IWR6843 as well.

    e2e.ti.com/.../792467

    Please look at the SPI driver tests under C:\ti\mmwave_sdk_03_01_01_02\packages\ti\drivers\spi\test\test_common.c for loopback throughput tests with various supported bitrates:

    /**************************************************************************
    * Test: Reopen the driver in master mode for loopback throughput test
    **************************************************************************/
    /* Start Loopback throughput Test in master mode */
    Test_spiLoopBackDataThroughput(inst, 1000000U);

    /* Start Loopback throughput Test in master mode */
    Test_spiLoopBackDataThroughput(inst, 2000000U);

    /* Start Loopback throughput Test in master mode */
    Test_spiLoopBackDataThroughput(inst, 6000000U);

    /* Start Loopback throughput Test in master mode */
    Test_spiLoopBackDataThroughput(inst, 10000000U);

    /* Start Loopback throughput Test in master mode */
    Test_spiLoopBackDataThroughput(inst, 20000000U);

    /* Start Loopback throughput Test in master mode */
    Test_spiLoopBackDataThroughput(inst, 40000000U);

    Regards
    -Nitin