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The Equations window displays routing and equation information for pin, I/O cell, logic cell, and embedded cell assignments. When you turn on Equations (View menu), the Equations window is displayed at the bottom of the Floorplan Editor window.
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The Equations command (View menu) is available when you open either the Current Assignments floorplan, the Last Compilation floorplan, or the Timing Closure floorplan. The Equations window is turned on by default. |
You can select one or more logic cell, embedded cell, and/or pin assignments in the floorplan to display their equations, fan-in, and fan-out in the Equations list. You can expand or collapse the terms displayed in the Equations list as described in the following procedures:
The Fan-In list displays all nodes that feed the selected logic cell, embedded cell, and/or pin assignments. You can select a node in the Fan-In list and click < Go To to locate the node in the Floorplan Editor and display its equation in the Equations list.
The Fan-Out list displays all nodes that are fed by the selected logic cell, embedded cell, and/or pin assignments. You can select a node in the Fan-Out list and click Go to > to locate the node in the Floorplan Editor and display its equation in the Equations list. You can also select a node in the Fan-Out list and perform manual logic duplication on the selected node's source node.
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