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/ Tag:XJEase

1149.6 testing in XJTAG

1149.6 testing is coming of age, and though XJTAG has supported IEEE Std. 1149.6 since software version 2.1 (released in 2008) it seems to us that 1149.6 devices are becoming much more common in the last couple of years. […]

By |Categories: Connection Test, Features|Tags: , , , |

Introducing Dynamic Chains

‘Dynamic Chains’ is a term we’ve coined to describe a test system that has the ability to drive more that 1 JTAG chain configuration. This may be possible if it has multiple chains driven by different TMS or TCK pins, or a single chain that has multiple JTAG device variations (for example using a Scan Bridge). Before v3.3, XJTAG projects could only represent a single static JTAG chain. With our new functionality, multiple JTAG chain variations can be defined, set up and run within a single XJTAG project in a single test run. […]

XJEase Debugger

An interactive XJEase debugger was added in XJTAG 3.2. This can be used to help find problems in your XJEase code. […]

By |Categories: XJDeveloper, XJEase|Tags: , , |

XJTAG 3.2

A new major version of XJTAG – version 3.2 – is now available from our website for users who are in maintenance. […]

By |Categories: Features, Releases, XJDeveloper, XJEase|Tags: , , |

Differential Terminations in XJTAG

This post is to try to clarify what XJTAG understands by the term “differential termination”. […]

Driving differential pins in XJEase

A few people have asked us how to deal with differential pins when writing XJEase tests. They see them change value on an oscilloscope during the Connection Test, but aren’t sure how to deal with them explicitly in .xje files. […]

By |Categories: XJEase|Tags: |

Create your own links to Layout Viewer from XJEase

From version 2.6.2 onwards XJEase supports the printing of device, pin and net links which launch and get highlighted in Layout Viewer from XJRunner and XJDeveloper (provided there is an ODB++ netlist available for the board). […]

By |Categories: XJDeveloper, XJEase, XJRunner|Tags: , , , |

The Safe bitstream

The Safe bitstream gets mentioned occasionally in our documentation and warning/error messages and this blog post attempts to shed some light on what it is and what it’s used for. […]

By |Categories: XJEase|Tags: |

Clearing Altera Cyclone III Devices

In the XJTAG application note “Working with configured Xilinx and Altera devices” the point is made that the way to get the best test coverage is to test with blank devices. Blanking a device has its own challenges – […]

By |Categories: Electronics Tips, XJDeveloper|Tags: |

Using CONNECT vs PULL in PDD files

Why use CONNECT not PULL for low-value pull resistors? When a resistor is specified as a pull resistor the XJTAG system will expect two things: […]

By |Categories: XJDeveloper|Tags: , , |