| CAUSE: | The Fitter cannot place the specified ClockLock PLL in the selected device due to device constraints. |
| ACTION: | Locate the source of the message to determine the nature of the error. Modify the design accordingly so that the Fitter can place the PLL. Click the + icon to expand this message in the Messages window or Messages section of the Report window to display details about why the Quartus II software did not place the PLL. |
See also:
Specifying the Device Family & Device for Compilation
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- PLDWorld - |
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