Quartus® Prime Pro Edition User Guide: Design Constraints

ID 683143
Date 4/01/2024
Document Table of Contents

1.1.2. Node, Entity, and Instance-Level Constraints

Node, entity, and instance-level constraints apply to a subset of the design hierarchy. These constraints take precedence over any global assignment that affects the same sections of the design hierarchy. The following tools are available in the Quartus® Prime software to specify node, entity, and instance-level constraints:
Table 2.   Quartus® Prime Pro Edition Tools to Set Node, Entity and Instance Level Constraints
Assignment Type Assignment Editor Interface Planner NoC Assignment Editor Chip Planner Pin Planner
Pin   X     X
Location X X   X  
Routing X     X  
NoC     X    
Simulation X     X X

Although you can specify constraints using a variety of tools, the following table shows the most effective constraint tools at each design phase:

Table 3.  Constraint Tools per Design Phase
Design Phase Assignment Editor NoC Assignment Editor Interface Planner Tile Interface Planner Chip Planner Timing Analyzer Pin Planner
Pre-Synthesis X X   X     X
Post-Synthesis X X X   X    
Post-Fit X X     X X