Questions tagged [selectmap]

SelectMAP is a Xilinx method to program FPGAs from a processor.

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How to access the selectmap pins (both hardware and software) in Virtex 5 development board?

We are trying to interface a Raspberry Pi with an Virtex 5 dev. board to read the configuration memory. We have decided to use the selectmap protocol and we understand the signals involved and ...
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Spartan 6 configuration with Cypress FX2LP

I'm trying to load configuration to my FPGA board using Cypress FX2LP from USB. The basic implementation comes from Cypress's AN63620 application note, but instead Spartan 3 I use Spartan 6 (xc6slx4), ...
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Prevent ISE from bitswapping the configuration file

For some reason unknown to me, ISE provides a bitswapped configuration image: each byte has its bits swapped. Is there a way to disable this bitswapping? (Having to do it again in C code slows down ...
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SelectMap: Should HSWAPEN be high?

I'm in the process of debugging microprocessor loading of a Spartan 6 image through SelectMap. The HSWAPEN pin has caught my eye. In my design it is pulled low via a 10K resistor. However, when ...
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420 views

SelectMap: Who drives the pins: FPGA or Microprocessor

I'm reading this application note regarding SelectMap image loading for my Spartan6. On page 2 I read: The device has properly powered up, but the internal configuration memory needs to be reset....
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Loading an FPGA image with SelectMap

As of now, I have been programming my Xilinx Spartan 6 using JTAG. I now want to load the FPGA image using SelectMap with my STM32 processor. (See this document (pages 33ff) for more information about ...