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Changing the JTAG TCK Frequency

Question asked by Phil_W on Aug 6, 2015
Latest reply on Aug 21, 2015 by Kader.M

I have some signal integrity issues on my JTAG connection to my SHARC processor.

To make the communications more robust, I'd like to be able to set the JTAG CLK frequency. I see in the Config.ini file there is a field JTAG TCLK Frequency. What are the valid values to go here? I have an ICE-2000 and also the older HPUSB-JTAG Interfaces.

 

Can the JTAG TCLK frequency be set in CrossCore tool ? It appears that the 'test' panel in the configurator can change the clock but there is no record of what it actually uses afterwards.


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