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Author Topic: [REQ] Xilinx USB configuration (USB programmer)  (Read 3601 times)
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igor_d24
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« on: May 13, 2011, 01:39:53 13:39 »

I am looking at possibility to clone (for my design) Xilinx USB configuration circuit (USB programmer) which is implemented on ML-605 board (docs are downloadable from Xilinx): CY7C68013A micro-controller  + XC2C256VQ100 CPLD. It is similar to off-the-shelf USB II programmer (as far as I know the difference is in using FPGA instead of CPLD).

My understanding is that micro-controller loads firmware from PC via USB, so no f/w flashing is required that leaves only CPLD h/w to sort out. Anybody can share it? I asked Xilinx FAE-s, they didn't help. Do you know if it's possible to clone the CPLD bitstream?
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Mega32
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« Reply #1 on: May 17, 2011, 05:12:06 17:12 »

I am looking at possibility to clone (for my design) Xilinx USB configuration circuit (USB programmer) which is implemented on ML-605 board (docs are downloadable from Xilinx): CY7C68013A micro-controller  + XC2C256VQ100 CPLD. It is similar to off-the-shelf USB II programmer (as far as I know the difference is in using FPGA instead of CPLD).

My understanding is that micro-controller loads firmware from PC via USB, so no f/w flashing is required that leaves only CPLD h/w to sort out. Anybody can share it? I asked Xilinx FAE-s, they didn't help. Do you know if it's possible to clone the CPLD bitstream?


These guys , have cloned the cable (use google translate)

Project
http://www.mikrocontroller.net/articles/Xilinx_USB-JTAG-Adapter

Discussion
http://www.mikrocontroller.net/topic/142358#new

External Terminations
http://www.mikrocontroller.net/attachment/55834/Scheme_DLC9G_JTAG.jpg

Linux tips
http://george-smart.co.uk/wiki/Xilinx_JTAG_Linux


Mega32
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