Questions tagged [ucf]

User Constraint Files (UCF) are a proprietary file format from Xilinx for constraining a hardware design. UCF files are not supported in Xilinx Vivado. The replacement format is called Xilinx Design Constraints (XDC).

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Assigning specific bits of vector to outputs in verilog ucf

When I set up my module, I have code like input signed [7:0] SIGNAL but in the UCF I want to assign each bit individually. Currently my code in the UCF looks ...