Quartus

Can't place pins due to device constraints


CAUSE: You made pin and I/O standard assignments in the design. However, the Fitter is unable to place the pins because the design either contains too many pins or too many conflicting I/O standards for the target device.
ACTION: Select a larger device for the design or reduce the number of I/O standards.

See also:

Assigning I/O Standards to Pins
Assigning an Entity or Node to a Location
Assigning Pins
Changing Assignments
Overview: Making Assignments
Overview: Working with Assignments in the Floorplan Editor
Specifying the Device and the Device Family for Compilation

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