Enabling CM on Existing Schematic Design with Constraint Added in PCB Layout: RAK
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Module 4: Creating a Matched Group and Assigning
Constraints
A match group constraint object is a collection of nets, XNets, or pin pairs that must all
match (in delay or length) or be relative to a specific target within the group.
1. Navigate to the Relative Propagation Delay worksheet under Electrical
constraints.
2. Select the CAN_TX and CAN_RX nets.
3. After highlighting, do a right mouse button click (RMB) to create a Match Group.
Figure 13: Create Match Group
4. Name the match group in the Create MatchGroup dialog box as shown in
Figure 14. Click OK.
Figure 14: Create MatchGroup dialog box
