how to protect own IP in Xilinx ISE

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Is there a way to put a ready developed VHDL code into binary form,
so that other can use, but not read it?

Of course there is such a way, because the IP vendors live from that :-).

Does anyone know how to do this with the Xilinx ISE 5.x environment?

thanks in advance for any help.

Guenter (

Re: how to protect own IP in Xilinx ISE
For Xilinx FPGAs, you can distrubute IP cores in Xilinx binary database
format (.ngo files). Take a look at 'edif2ngd' command.

Jim Wu

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