Xilinx : UCF

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Hi I am using Xilinx ISE6.0i to program the XPLA3 CPLD.

Here is the UCF file statement I found in the web:

NET "option<0>" LOC = "S:PIN5";

What is the exact meaning of it? Does it mean "Locking option<0> to PIN5 and
Setting it to 1"?

If option<0> is an output signal. what dose the "reset/set" resulting to?

Thanks, -Zimmer

Re: Xilinx : UCF
If not, how to reset/set a pin at meantime lock it in a UCF statement?

Thanks,

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