Intel® Quartus® Prime Standard Edition User Guide: PCB Design Tools

ID 683619
Date 9/24/2018
Document Table of Contents

1.10.4. Decreasing Pessimism in SSN Analysis

You can create output enable group and synchronous group assignments to help decrease pessimism during SSN Analysis with a Tcl command.

The following Tcl command assigns the bidirectional bus DATAINOUT to an output enable group:

set_instance_assignment -name OUTPUT_ENABLE_GROUP 1 -to DATAINOUT

The following Tcl command assigns the bus PCI_ADD_io to a synchronous group:

set_instance_assignment -name SYNCHRONOUS_GROUP 1 -to PCI_AD_io