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/ Tag:XJEase

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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