Test Reset Sequence Editor Improvements
XJTAG 4.0 has significantly improved the user experience of creating and editing test reset sequences – the way in which JTAG devices are put into their JTAG mode. […]
Expanding Enhanced Signal Integrity Error Analysis
XJTAG 3.12 expanded the capability of the Signal Integrity Analysis in XJTAG tools, adding the ability to suggest certain causes of error. This post continues from the previous post on this subject, and describes further errors that XJTAG tries to identify. […]
Categorising devices: Ignored, Unfitted, Excluded or Uncategorised?
(This updates an older article due to the addition of the Excluded category in XJTAG 3.12) One of the questions we are commonly asked by new users, and also by users who have not used XJTAG for a while and are coming back to it, is about the differences between device categorisations in XJDeveloper. [...]
Setting default pin values in XJEase
Historically we have provided three mechanisms for defining some form of constant or default values for a pin/net in XJDeveloper. These are BSDL compliance pins, bus disable values and constant pins, which allow you to define pins which XJTAG should keep in a constant state during automated testing, such as with Connection Test. However these [...]
Using IIC to enable power supplies on your board
With the introduction of External Hardware per Subchain in XJDeveloper v3.9 it is possible to write a test that powers up your board using your XJLink2 to directly control the IIC pins before the JTAG chain is operable. Following is an example of how to set up this test in your project: [...]
External Hardware available per-Subchain (including testing without JTAG)
Version 3.9 of XJDeveloper introduces the ability to control which External Hardware machines operate in each Subchain, and integrates this control into the Dynamic Chains feature. This means that any test may now be configured to use just JTAG, just External Hardware, or a combination of both, to drive signals on the circuit under test. [...]
Using the Analyser screen to debug initialisation issues
The blog article ‘Debugging Connection Test – part 1 (Updated)’ discusses how to use ‘Debug Connection Test’ to identify a missing disable value. However, if a disable value is set to the wrong value, i.e. low rather than high, then it could prevent the Debug Connection Test from running at all. In this case, XJDeveloper’s [...]
Setting the Rules for Suggesting Unfitted Devices
With XJDeveloper 3.7 the user now has more control over how unfitted devices are suggested. The Unfitted Rules Dialog allows for the specific suggestion methods to be enabled or disabled, allowing for more accurate unfitted device suggestions. […]
Custom BOM fields
Previously, when importing BOM information users were limited to making assignments from a selection of pre-defined BOM fields. With XJDeveloper 3.7 users can now define custom BOM fields. […]
More options for importing BOM information
The Bill of Materials, or BOM provides valuable information about the components in a netlist. This information is often key for project setups and, when available, is used by XJDeveloper to make project setup suggestions. This information is often taken from a separate BOM file or straight from a board’s netlist. With XJDeveloper 3.7 the [...]