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Useful Links

NEXYS2  Board Information

Spartan3E FPGA Information

We have the XC3S1200E chip on our boards.

  • Datasheet – There’s a good bit of information here, much of it not immediately useful to you.  However, the description of memory that begins on Page 34 may be.

Xilinx Tools Info


Note:  I haven’t used any of these, so can’t verify usefulness and accuracy.



  • – A catalog of open source digital designs, some in VHDL and some in Verilog.
  • ExpressPCB – Cheap prototype circuit boards and free design software
  • Digikey – Parts