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Introducing Dynamic Chains

‘Dynamic Chains’ is a term we’ve coined to describe a test system that has the ability to drive more that 1 JTAG chain configuration. This may be possible if it has multiple chains driven by different TMS or TCK pins, or a single chain that has multiple JTAG device variations (for example using a Scan Bridge). Before v3.3, XJTAG projects could only represent a single static JTAG chain. With our new functionality, multiple JTAG chain variations can be defined, set up and run within a single XJTAG project in a single test run. […]

Using XJTAG without netlists

XJTAG is a great system for board designers and manufacturers, but people looking to repair boards often do not have  netlists for those boards – something that until now has been essential to start an XJDeveloper project. […]

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XJEase Debugger

An interactive XJEase debugger was added in XJTAG 3.2. This can be used to help find problems in your XJEase code. […]

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XJTAG 3.2

A new major version of XJTAG – version 3.2 – is now available from our website for users who are in maintenance. […]

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XJEase Editor Improvements in v3.1

The XJEase editors in XJDeveloper are now more intelligent – allowing you to write and navigate around your XJEase code faster. […]

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Exporting ODB++ from the Mentor Graphics tool PADS

We have had several customers having problems exporting ODB++ jobs from PADS, where all the net information is lost. In the ODB++ Export dialog, ensure that “Neutralize nets” is unchecked. […]

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XJTAG Version 3.1

A new major version of XJTAG – version 3.1 – is now available from our website for users who are in maintenance. […]

XJTAG Time and Unix Time

This article is a summary of our answers to various customers who have asked us how to convert between XJTAG, Windows and Unix timestamps, so that they can correctly pass data between test systems. […]

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XJTAG 2.7: Improved code editors

We are always listening to customers about where they feel the tools could be improved. For XJTAG 2.7 we took this feedback on board and improved the user interface of the code editors in XJDeveloper. These are on the Test Device Files screen and the Circuit Code Files screen. […]

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Don’t use EDIF netlists

One of the many netlist formats that XJTAG supports is EDIF 2, an open data exchange format that is widely supported. EDIF stores both netlist and schematic data, but XJTAG only uses the netlist data. It often seems like the obvious choice of format to export from your CAD tool to use in XJTAG. However, there are a number of problems that we have come across with EDIF netlists: […]

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