| CAUSE: | The Compiler cannot reserve the specified pin because it has an illegal setting. The RESERVE_PIN parameter, assigned to the specified pin in the Compiler Settings File (.csf) file, has a setting other than As input pin tri-stated, As output pin driving ground, or As output pin driving an unspecified signal. This message can occur when you edit the Compiler Settings File (.csf) manually to create assignments. Altera recommends that you not directly edit the CSF. Instead, you should reserve a pin using the Assignment Organizer command or the Assign Pins dialog box. |
| ACTION: | Reserve the pin with a legal setting. |
See also:
Assigning Pins
Overview: Making Assignments
Reserving a Pin with the Assignment Organizer Dialog Box
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