Running Report Clock Domain Crossings - 2023.2 English

Vivado Design Suite User Guide: Design Analysis and Closure Techniques (UG906)

Document ID
Release Date
2023.2 English

When you run Report CDC from the Vivado IDE, it provides all the details for the CDC paths between the specified clocks by default. When you run Report CDC from the Tcl Console, however, it only prints the Summary by Clock Pairs table. You must specify the -details option to report all the details as in the GUI mode. Reporting the details can create very long files or log files.

To run the Report Clock Domain Crossings in the Vivado IDE, select Reports > Timing > Report CDC.

Equivalent Tcl command: report_cdc -name cdc_1

In the Vivado IDE, the Report CDC dialog box includes the following fields, as shown in the following figure: