If you desire to use the a TE USB FX2 module, you need to creategenerate/download:
For more information read also here.
You can genearte two PROM .mcs file formats the PROM file .mcs, you can create:
The Flash used memory assembled on TE USB FX2 module modules are 3rd-party SPI Flash memories, but you can also use Xilinx Platform Flash .mcs file files to program 3rd-party SPI Flash .
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memories.