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.
Built-in Test Reset Sequences for devices with nTRST pins
XJTAG 4.1 can automatically generate test reset sequences for many more hardware designs than previous versions. Previously, if a JTAG device had an nTRST pin that needed resetting between tests, you had to manually create a sequence with a waveform like the following: […]
Multi-sourcing Device Configurations
New in version 4.1, XJTAG has support for multi-sourcing test device configurations. This post will explain how to define multiple possible configurations for your test devices. A follow-up post will compare XJTAG’s Variants, Revisions and Multi-sourcing features and explain which is best to use in different scenarios. […]
XJDeveloper support for XJLink-PF40
XJTAG 4.1 adds support for the newly released XJLink-PF40, XJTAG’s new test controller. Projects in XJDeveloper can now be set up for use with an XJLink2 or an XJLink-PF40 or both. […]
XJTAG version 4.1
A new version of XJTAG – version 4.1 – has been released, containing updates and new features. It is now available from our website for users who are in maintenance. […]
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. […]
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. -