Cadence PCB Best Practices

Constraint Compiler User Guide

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Allegro Constraint Compiler User Guide Allegro Constraint Compiler October 2019 18 Product Version 17.4-2019 © 1999-2019 All Rights Reserved. Global Mapping Table The Global Mapping table is used to provide common mapping across all data tables. You can create this table with name ACC_Directives.csv and save in the compiler directory inside your current working directory. The default global mapping table exist in the installation directory at \share\pcb\consmgr\CDS_ACC_Directives. csv. Sample Global Mapping Table Object table The Object table creates various constraint objects, their members and type classifications for reference in other tables. Rule Set and existing Constraint Set references can be made during object group creation as well a Count check to ensure that all the expected members are selected in the design.

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