XJTAG Blog

This post discusses the selectors in XJDeveloper and how you can customise them. Selectors are used whenever you have to select either a Net or a Device. Entries in a selector are grouped into categories that can be customised.

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There are two ways to export projects from XJDeveloper either exporting to an XJPack or a zip file. Both options  are found on the File -> Export menu in XJDeveloper.

XJPack files are used by XJRunner in production. When you have finished creating your project in XJDeveloper, “pack” it and then this file can be used in production.

Zipping a project will create a single zip file that contains all the files used by the project. This can be useful if you are sending a project to another department, or for creating regular backups of your project.

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This post outlines what is new in the 2.3 release. Some aspects will be explored in more detail in future entries.

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In versions of XJTAG prior to 2.0, the system supported just four netlist formats: RINF, EDIF 2, PADS PCB and Protel. The parsers for these netlists were written carefully against specifications for the formats where possible, and so should reliably parse all valid netlists in those formats.

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This post covers XJPack files – the XJTAG mechanism for deploying your tests to production.

XJDeveloper is used to write your tests and can run your tests whilst you are creating them. In a future version it will also integrate the debugging functionality of the command line tool XJDebug to allow you to debug your tests from within XJDeveloper.

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This post details the Netlist Explorer in XJDeveloper, a very useful tool in XJDeveloper for finding out how things are connected in the netlist. It also shows relevant properties for each item.

Launching the explorer

Currently the Netlist Explorer is a modal dialog which means you have to close it before you can use the rest of XJDeveloper. We hope to remove this restriction in a future release. You can launch the Netlist Explorer from most screens in Developer. All relevant toolbars have an “Explore” button, and right-clicking on items in controls will display a drop-down menu with an “Explore” button as well.

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This post highlights the “Functional Tests” screen in XJDeveloper.

The “Functional Tests” screen is in the “Design For Test” section in XJDeveloper. It is used to indicate to XJTAG that part of a board has been tested in some way outside of XJTAG. Doing this will make the DFT test coverage figures more accurate, and means you can use XJTAG as the focal point for all your DFT analysis across all your test systems.

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This post describes debugging the Connection Test from XJDeveloper.

The XJTAG connection test is an automated interconnect test which checks for shorts, opens, stuck high and stuck low errors on a circuit board. Some circuit boards have cross-talk or similar issues, which do not affect the normal running of the board, but are picked up by the XJTAG connection test.

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