Quartus

Can't create location assignments in MegaLAB for some nodes fed by adjacent LVDS transmitter <name>. LVDS performance may not meet specifications.


CAUSE: The Fitter cannot create location assignments in a MegaLAB for fan-out nodes in the specified, adjacent LVDS transmitter because you made assignments for nodes that feed the fan-out nodes. Because nodes fed by the specified LVDS transmitter, which are listed in the Messages window, must be placed in a specific MegaLAB, the design's LVDS performance may not meet your specifications.
ACTION: Remove the LogicLock and/or custom region assignments from the nodes listed in the Messages window.

See also:

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

- PLDWorld -

 

Created by chm2web html help conversion utility.