ADC continuous mode and start-stop mode

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This topic contains 1 reply, has 1 voice, and was last updated by  Narmada Ranaweera 5 days, 8 hours ago.

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  • #41951

    Narmada Ranaweera
    Participant

    Hello,
    I implemented motor control system using F28335 DSP. I’m having issues with the sampling rate of the ADC output.

    In order to test the ADC, I created a simple model (ADC_test.psimsch). PWM switching frequency is 10k. It works fine when ADC mode is continuous. But when I set it to start-stop(8 channel) the sampling rate of the ADC out put is 4 times slow. When start-stop(16 channel) mode is selected, the sampling rate is 8 times slow. Can you please help me to solve this issue. I need to use start-stop(16 channel) for my drive.

    Thank you.

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  • #41953

    Narmada Ranaweera
    Participant

    When I simulate the system, there are no issues. The problem arises only when I test it practically.

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