Basic knowledge of vivado xdc constraints 2: first understanding of vivado-xdc file clock constraints

From: https://www.cnblogs.com/chensimin1990/p/6842236.html


First understanding of vivado----xdc file clock constraints


1.Primary Clocks _

 

 

 

    However, for more complex clocks:

 

 

 


2. The main clock used by a module (eg GT )

 


3. Clock frequency division

 

 


4. A little more complicated clock description

 

 


5. Commands for XDC files


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