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

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On 10/17/2014 3:10 PM, Theo Markettos wrote:
> langwadt@fonz.dk wrote:
>> if it's got the right drivers it should work, though it might not work
>> with the xilinx programming tools, and for stuff like encryption keys in
>> spartan6 you need the real Xilinx one.
>
> I don't know the Xilinx cables as such, but there's no such thing as
> standard JTAG interfaces.  So there's no generic JTAG framework for
> Windows/Linux/whatever that vendors write drivers for.  In Altera land,
> either it's a hardware clone of Altera's USB Blaster, or it doesn't work.
> That implies you either need a Xilinx cable or a Xilinx-compatible one.
>
> Some of these cables can be used by other software like OpenOCD, which has
> its own set of backends for them, but the vendor tools don't hook into this.
> So while there is a set of fairly comprehensive hardware drivers (JTAG is
> just bitbanging after all, so the driver is fairly trivial) they aren't used
> by the software that matters.

That said, there are a number of clone programming cables available on 
eBay.  Many support multiple vendors.

-- 

Rick

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Thread

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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