Quartus

Node <name>, assigned to ClockLock PLL clock feedback in pin <name>, must feed ClockLock PLLs


CAUSE: You assigned the specified node to the ClockLock PLL clock feedback in the specified pin. The assignment is illegal because the ClockLock PLL clock feedback in pin can feed only ClockLock PLLs.
ACTION: Assign the specified node to a legal I/O pin or delete the assignment from the node.

See also:

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

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