19.10 Unassigning pins

Unassign an I/O macro from a locked assignment when its locked position is no longer required. Unassigned macros are automatically placed in optimum locations during layout.

To unassign a macro from a pin:
  1. Select the I/O macro in the Assigned list box.
  2. Unassign the selected macro from a pin location using any one of these methods:
    • Drag the selected macro name from the Assigned list box to the Unassigned list box.
    • From the Edit menu, choose Unassign.
    • Click the Unassign toolbar button.
    • Press the DELETE key.
    • In the I/O Attribute Editor, select Unassign in the Pin # cell. The macro is unassigned.