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/ Tag:XJDeveloper

How can Checkchain pass but Connection test report “broken chain”?

This is a common question during the development of a test system. The problem generally occurs when a board is first run, and stems from a slight misunderstanding of what Checkchain is designed to do. This article therefore attempts to explain the difference between the Checkchain function and all other tests, in order to explain how this situation can happen. […]

Layout Viewer

If your project uses an ODB++ netlist, then you can take advantage of the Layout Viewer in both XJDeveloper and XJRunner. Layout Viewer uses the layout information in the netlist to allow you to visualise the physical location of components, pins and nets on a board. This is especially useful for visualising errors from the connection test to guide you towards the most likely location of a fault on a board. […]

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Device Library

Version 2.6 of XJDeveloper has two exciting new features that make developing your projects easier – a library of definitions for devices and a “suggest categorisation” feature. […]

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XJTAG Logic Library

From version 2.4 XJDeveloper and XJRunner support logic devices. A library of definitions for common logic devices is shipped with XJDeveloper. This post details this feature. […]

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Categorising Devices as Logic in XJDeveloper

This post outlines how to categorise a device as a logic device in XJDeveloper and explains some of the useful features. […]

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Design for Test Analysis in XJDeveloper 2.4 – Part 2

This post introduces the new DFT reports which are generated from the DFT analysis data. This is a feature introduced in XJTAG version 2.4. […]

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Design for Test Analysis in XJDeveloper 2.4 – Part 1

The DFT Analysis screen in XJTAG version 2.4 has been completely redesigned to allow you to assess the test coverage of your circuit design more easily and in a more efficient way. This post highlights the most important new features. […]

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Categorising devices in XJDeveloper – 10 rules of thumb

We asked one of the guys in-house who works with XJDeveloper most of the time to give some tips from his experience of setting up projects, and here is what he came up with: […]

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Using CONNECT vs PULL in PDD files

Why use CONNECT not PULL for low-value pull resistors? When a resistor is specified as a pull resistor the XJTAG system will expect two things: […]

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Categories for selectors in XJDeveloper – part 2

Part 1 of this series explained how to add or edit the categories for the selectors in XJDeveloper. This entry will focus on using BOM (Bill of Materials) information in the selectors, using the demonstration board that comes with the XJTAG development system as an example. […]

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