There are three port categories at the top-level of the ADC DAC Interface IP core called the “user design".
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The first category is the RX/TX signals that directly interact ADC/DAC. These are described in the Protocol Description section.
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The second category is the application interface signals. These are described in the Protocol Description section.
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The third category includes other signals necessary for proper operation of the core. These include the clocks, reset, and status signals from the core. The clocking and reset signals are described in their respective sections.