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Logic Analyzer and pulse generator

Logic Analyzer and pulse generator

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Logic Analyzer and pulse generator

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  1. Logic Analyzer and pulse generator ECE 682

  2. The specification • Specification was handed out in ECE 582 last quarter. • Basics • 3 channels – dedicated output • 3 channels – dedicated input • 2 channels – configurable as either a dedicated input or output • Signals up to 5 MHz was desired – unit from Fall 2006 ~2kHz • Interface to host computer using USB – was accomplished

  3. The software • A very important part of this project is the software system that accompanies it • Unit is not really usable without it!!!! • Software • Configure the programmable lines • Configure the outputs and download the information need to the unit for generation of the signals • Received data over the USB that can be displayed in a window on the host PC as to the state of the signals being monitored. • Prior project – all 8 lines were programmable as input or output.

  4. Many, Many, Many design decisions • What goes in the “box” • Format of data for storage and transfer over the USB link • How much local storage is needed? • USB 2.0 standard • Programming Language

  5. Several systems exist in the “real” world • National Instruments has such a unit • Check it out on the web • GoLogic System by NCI.