VirtualBench User Manual

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How Do I Use the Logic Analyzer?

How Do I Use the Logic Analyzer?

The logic analyzer can be used to view and analyze digital signals. The Mixed Signal Oscilloscope menu, to the right of the graph, has panels that you can use to configure the logic analyzer:

  • Digital
  • Trigger

How Do I Configure Digital Lines?

  1. Hover over the Digital panel and click configuration icon, which opens the digital menu.
  2. Enable a digital line source to view it on the graph and disable it to hide it.

How Can I Hide All the Digital Lines and Buses at Once?

Toggle the square button on the Digital panel to enable/disable all the enabled digital lines and buses at once.

How Do I Configure Buses?

  1. Hover over the Digital panel and click configuration icon, which opens the digital menu.
  2. Click the Buses tab. You can add three types of buses: Parallel, I2C, and SPI.

How Do I Trigger Off the Logic Analyzer Lines?

You can select an Edge or Pattern trigger to trigger off the logic analyzer lines.

  1. Hover over the Triggers panel and click configuration icon, which opens the Trigger menu.
  2. Select the Trigger type.
  3. If you select a Pattern trigger, select group of digital lines in order to set a triggering pattern on the lines in that group. For each digital line in the group, select one of the following trigger states:
    • X (Ignore)
    • 0 (Low)
    • 1 (High)
    • R (Rising)
    • F (Falling)
    • E (Either)

Related information

What is a Pattern Trigger?

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