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Digital Input

    Last Modified: February 26, 2018

    You can acquire digital waveforms using either parallel or serial digital modules. The DI waveform acquisition FIFO stores the digital samples. The cRIO controller samples the DIO lines on each rising or falling edge of the DI Sample Clock signal.

    Multiple input timing engines allow the cRIO controller to run up to eight hardware-timed digital input tasks simultaneously, each using independent timing and triggering configurations. The eight input timing engines are it0, it1,…it7. All eight of the input timing engines are shared between analog input and digital input tasks, allowing up to 8 hardware-timed input tasks.

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