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xilinx platform flash question

I need to configure an XC2V6000 from flash. Planning to use six XCF04S PROMs, but I have a few questions.

  1. Anyone having problems buying these PROMs? Avnet had some in stock last week, but today they had none. What kind of lead times should I expect?
  2. Does the Xilinx Impact software fully support in-system JTAG programming of a chain of serial PROMs? Is ISE 5.2i sp3 the required version?
  3. Does the software also support direct JTAG downloading to the FPGA if it sits at the end of the same JTAG chain with the PROMs in it?

I'm a little wary of committing to this path and losing time due to tool problems or inability to get parts.

Thanks,

Robert

Reply to
Robert Sefton
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  1. No problem. I'm not a buyer, so I don't know where they came from.

  1. Don't know, but if you hook up the CF pin to PROG, then you can tell Impact to make the FPGA load from the PROM after the programming/verification is complete. You check a box in the "Program..." dialog.

Barry

Reply to
Barry Brown

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