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Board tests possible without a netlist

06 Mar 2014  | Nick Flaherty

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Engineers can now test boards even if they do not have access to a netlist, thanks to XJTAG's broadening of the concept of boundary scan testing.

A key feature of XJTAG's version 3.2 release, 'no netlist' allows users to create projects within XJDeveloper for boards without netlists, using just BDSL files for the JTAG devices. Connections between these devices are derived from a working board and automatically added to the project.

The feature is particularly useful to repair engineers, who are often required to work on boards without having access to a netlist. Where previously they would not be able to use boundary scan, or be delayed by having to seek out these netlists from their customers before beginning any work, testing can now begin without delay. XJTAG boundary scan has never been a more viable option for the repair industry.

The 'no netlist' feature also allows engineers to add non-JTAG devices to these projects, simply by specifying how they are connected to the JTAG devices on the board. They can then be tested using XJEase Library files, which improve test coverage and save the time and effort otherwise required to physically test these devices using probes.

With the 3.2 release, XJDeveloper now also contains a graphical debugger, for use when developing XJEase code. Standard debugger features such as breakpoints and a watch window for monitoring and changing XJEase variables will help improve efficiency when developing new tests.




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