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/ Tag:XJEase

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. […]

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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). […]

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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. […]

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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 – […]

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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: […]

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Logic in XJTAG – capabilities and limitations

We see a lot of logic components used on boards that come through our office. Most often we see buffers, bus transceivers and devices of that nature, but also plenty of the usual discrete logic chips – simple gates, decoders, encoders etc. […]

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Collecting user input from XJEase

A customer recently asked how to read some input from the user in XJEase. The next major release of XJTAG (probably numbered 2.4) will contain a new XJEase function INPUTBOX that makes doing this much simpler. In the meantime, I thought I might outline some code that accomplishes the same thing in the current version. […]

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XJEase: The SET Statement

In XJEASE the SET statement is the command to access pins via a JTAG device. XJEase works out via the BSDL files and netlist how to access a pin on a non JTAG device from a JTAG device. […]

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