List of Messages |
CAUSE: The Fitter cannot place the specified delay locked loops (DLL) in the specified location. The DLL cannot drive logic in the associated DQS I/O group. The associated DQS I/O group may have a location constraint that prevents it from being placed in a location that is accessible from the specified DLL location. If this DQS I/O group has not been constrained, it it is also possible that there are not enough free DQS I/O group locations accessible from the specified DLL location to place the DQS I/O group.
ACTION: If you made a location assignments to the DLL, DQS I/O, nDQS, or DQ I/O pin, ensure that they are compatible with one another. If you did not make a location assignment, modify the location assignments of the other DLLs or I/O pins in the design.
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