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Altera_Forum's avatar
Altera_Forum
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12 years ago

complex vector rotation implementation

I am trying to implement the table for cordic algorithm. However, I got several critical warning messages: 1. No exact pin location assignment for the pins. 2. Synopsys Design Constaints File...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

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I tried some other simple design examples, and I have never had the need to create this file (lut.sdc) myself. What made everything different here?

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I guess so far you copied and modified design examples which already contained all the required files.

If you started your current design from scratch you need to define constraint files besides HDL code.