Archive for February, 2010
TCK Termination
22 February, 2010
We all pay close attention to the termination of high speed signals, especially clock signals. However in many of the designs I see this doesn’t seem to have happened for the JTAG clock signal TCK. But TCK is a clock signal just like any other clock signal.
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By Dominic Plunkett on 22 February, 2010 |
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Voltage Measurements with XJLink2
8 February, 2010
One of the exciting new features of XJLink2 is the ability to measure a number of voltages. Via the 20-way XJlink2 connector you can measure up to 18 different voltages. This means supply rail voltages can be measured before (and during) JTAG testing, and analogue measurements are now simple to make during your tests.
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By Dominic Plunkett on 8 February, 2010 |
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