Quartus

Can't place input clock <name> in I/O pin location <name> -- input clock <name> needs global interconnect to feed non-PLL destinations, but global interconnect is already used by node <name>

CAUSE: The Fitter cannot place the specified input clock in the specified I/O pin location in the selected device because the input clock needs to feed non-PLL destinations through a global interconnect that is already used by the specified node.
ACTION: Make sure the specified input clock has access to a global interconnect, for example, by assigning the specified input clock to another I/O pin location that can feed a different global interconnect, or assigning the specified node to a different location.

See also:

Assigning an Entity or Node to a Location
Changing Assignments
Deleting Assignments in Assignment Organizer
Overview: Making Assignments
Overview: Working with Assignments in the Floorplan Editor

- PLDWorld -

 
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