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Re: USB Cable for Programming Xilinx FPGA (Spartan 3)

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On 17-10-2014 23:02, Anand P. Paralkar wrote:
> Hello everyone,
>
> I would like to know if we can use a general purpose (available
> off-the-shelf at popular stores) USB to JTAG cable to program a Xilinx
> Spartan 3 FPGA or does it *have to be* a cable (and box) specifically
> meant for programming a Spartan 3 FPGA (as shown on the Xilinx website)?
>
> I am hoping to hear from people who have actually used a general purpose
> USB to JTAG cable (as seen on Digikey/Mouser/.. etc.) and tell me that
> it works just fine.
>
> Regards,
> Anand

Thanks everyone for your replies.  I think I recollect now - even though 
one may get basic programming done through a general purpose USB to JTAG 
cable in principal, the Xilinx tool chain may not work with such a 
general purpose USB to JTAG cable.

The tool chain would require some "pattern" memory to be present in the 
programmer box.  That memory would be used for debug capture of internal 
nodes etc.

In conclusion - one needs a Xilinx FPGA programming specific USB to JTAG 
cable (and its programmer box).

Regards,
Anand

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USB Cable for Programming Xilinx FPGA (Spartan 3) "Anand P. Paralkar" <anand.paralkar@gnospammale.com> - 2014-10-17 23:02 +0530
  Re: USB Cable for Programming Xilinx FPGA (Spartan 3) langwadt@fonz.dk - 2014-10-17 10:46 -0700
    Re: USB Cable for Programming Xilinx FPGA (Spartan 3) Theo Markettos <theom+news@chiark.greenend.org.uk> - 2014-10-17 20:10 +0100
      Re: USB Cable for Programming Xilinx FPGA (Spartan 3) rickman <gnuarm@gmail.com> - 2014-10-17 15:30 -0400
  Re: USB Cable for Programming Xilinx FPGA (Spartan 3) "Anand P. Paralkar" <anand.paralkar@gnospammale.com> - 2014-10-18 15:14 +0530
    Re: USB Cable for Programming Xilinx FPGA (Spartan 3) Petter Gustad <newsmailcomp6@gustad.com> - 2014-10-19 11:06 +0200
      Re: USB Cable for Programming Xilinx FPGA (Spartan 3) Theo Markettos <theom+news@chiark.greenend.org.uk> - 2014-10-19 12:08 +0100

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