Welcome to the XJTAG support blog
This is your go-to space for tips, insights, and updates straight from the XJTAG development and support team. We’re here to help you get the most out of your XJTAG system by sharing our knowledge, experience, and best practices. You’ll find posts highlighting particular features of the different software packages that make up the XJTAG development system or aspects of the XJEase language.
Have a topic you’d like us to cover or a question you want answered? Let us know!
For product updates check out the Updates Hub.
New board to protect against current spikes
One potential cause of damage to an XJLink2 JTAG controller is transient current spikes caused when a board is first powered on and the decoupling capacitors are charged. We’ve talked about this issue on the blog before and shown that, unfortunately, even a very brief spike in current can cause damage to the controller. Introducing the XJTAG Termination Protection Board [...]
DDR5 support in XJTAG
We are starting to see an increased number of questions about support for DDR5 DIMMs and SDRAM devices, which are rapidly becoming mainstream. Support for DDR5 devices will be added to the XJEase Library in the near future, but in the meantime XJTAG can now make DDR5 models available on request to customers with a maintenance agreement. -
XJEase Library Release 183 details
Here is a summary of the additions to the XJEase library made recently in library version 183. Note: Some files in this library require an XJTAG software version of at least 3.10.6. […]
XJPack files in JTAG Chain Debugger
XJTAG 4.0 introduced Optimised Scans, providing more options for configuring JTAG chains and improving scan speeds. To assist debugging any problems getting chains to run when deploying projects using these new features into a production environment, JTAG Chain debugger has also been given an update: if run in a system with an XJRunner licence, the JTAG Chain Debugger can now [...]
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. […]
PCOLA/SOQ Test Coverage in XJTAG’s XJEase library
XJTAG has included partial support for the standardised PCOLA/SOQ method of measuring test coverage for some time. The recent XJEase library update, library version 181, contains PCOLA/SOQ data for the test coverage of devices, completing this functionality. […]