Working With Assignments in the Chip Planner

The Chip Planner allows you to make assignment changes that the Fitter automatically attempts to implement during the next compilation.

The Chip Planner displays a graphical representation of the location assignments in the design. Assigned resources are displayed in a particular color (gray, by default).

On the Tools menu of the main Quartus II window, click Chip Planner.
In the Chip Planner, select the Assignment editing mode.
To create a new assignment, follow these steps:
1. Select the resource that you want to assign, and drag it to the required location.
2. If you want to create an assignment at the resource's current location, select it, wait until the Assign to this location or LogicLock region cursor appears, and then release it at its current location.
To move an assignment, select the assigned resource that you want to move, and drag it to the required new location.

On the Tools menu of the main Quartus II window, click Chip Planner.
Select the Assignment editing mode.
Right-click the resource bearing the assignment that you want to delete, and click Delete.

On the Tools menu, click Chip Planner.
In the Chip Planner, select the Assignment editing mode.
Ensure that the selected task has the LogicLock Regions layers turned on.
To create a LogicLock region, follow these steps:
1. On the View menu, click Create LogicLock Region.
2. In the Chip Planner, drag the pointer to create a LogicLock region at the required location.
Select the node that you want to assign to a region.
Drag the selected node to the title bar of the target region.

Note: The white block to the left of the region name in the title bar of the region becomes shaded when you assign one or more nodes to the region.

On the Tools menu of the main Quartus II window, click Chip Planner.
In the Chip Planner, select the Assignment editing mode.
On the Assignments menu of the main Quartus II window, click LogicLock Regions Window.
Right-click the Region Name in the LogicLock Regions window, and then click LogicLock Regions Properties.
In the Members list of the LogicLock Regions Properties dialog box, select the assigned element that you want to delete, and then click Delete.

On the Tools menu of the main Quartus II window, click Chip Planner.
In the Task list in the Chip Planner, select a task that has the Assignment editing mode.
On the Edit menu, click Find.
In the Find what field, type the search text, including optional wildcard and special characters.
Under Find in, turn on one or more items within which to search.
Click Find Next.
If necessary, click Find Next again to find the next instance of the search text.
To end the search, click Close.