Quartus

Device family selection has changed. Do you want to allow the Compiler to select a device automatically from the available devices and remove any pin assignments?

CAUSE: In the Device page of the Settings dialog box, you selected a new device family from the Family list. The Quartus II software is asking if you want the Compiler to automatically chose a device to target and also remove all existing pin assignments.
ACTION: Click Yes to allow the Compiler to automatically choose a device and remove all pin assignments, you can subsequently select a specific device for the Compiler to target. Click No to allow the Compiler to choose a device, but retain all pin assignments, or click Cancel to revert to the previous device family and target device and retain all previous pin assignments.

See also:

Specifying the Device Family & Device for Compilation

- PLDWorld -

 
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