| CAUSE: | You assigned the specified node to the specified pin, but a DFF cannot be directly assigned to a pin. This message may occur if you have edited the Compiler Settings File (.csf) manually. |
| ACTION: | Set the Fast Input Register option or Fast Output Register option on the pin you want the DFF to be packed. To avoid receiving this message in the future, Altera recommends using the Quartus II software dialog boxes and wizards to modify settings, rather than editing the CSF manually. |
See also:
Assigning Pins
Changing Assignments
Deleting Assignments in the Assignment Organizer Dialog Box
Deleting Assignments in the Floorplan Editor
Overview: Making Assignments
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