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Xilinx unbuffered JTAG cable III

Posted: Mon Mar 14, 2016 4:55 pm
by Farid
Here is my homemade "Xilinx unbuffered JTAG cable III".
I modified GliGli's schematic a little to get the required voltage from USB.
I tested the cable with iMpact v14.2 and 360gcProg v1.6, it works fine :

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Here is the original Cable info :
Overview of Xilinx JTAG Programming Cables and Reference Schematics for Legacy Parallel Cable III (PC3)

XC2C64A datasheet

Re: Xilinx unbuffered JTAG cable III

Posted: Tue Mar 15, 2016 4:06 pm
by Farid
It is easy to make the cable by using this diagram :

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