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davide.camerano
Adventurer
Adventurer
2,078 Views
Registered: ‎05-29-2014

Spartan6 critical warning on PLL (wizard generated)

In my project I'm using a xc6slx9 with ISE 14.7. I generated a PLL using the Wizard. During the implementation the following critical warning message is displayed. Despite of this message, the Implementation and Bitstream generation are completed without problems.

 

PlanAhead1.PNG

 

What I shoud do? Shoud I ignore the message, or there is a way to correct the problem?

regards

Davide

 

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jheslip
Xilinx Employee
Xilinx Employee
1,962 Views
Registered: ‎06-30-2010

Is this an EDK -> ISE design?

 

what is in PLL.ucf? it looks like this is autogenerated from the clocking wizard and perhaps the naming of the instance has now changed and it cannot find it,

 

What is the PLL setup and CLKIN, as long as that is valid and the CLKIN and CLKOUTs are constrained then I think you can ignore this.

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