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Altera_Forum
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12 years ago

Synchronization Chains not detected

Hi there, I have clock domain crossing in my design. I use synchronization chains for metastability. In a part of my design I instantiate a custom made dual clock FIFO. After the flow is comple...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

You need to place the two clocks in different groups in the sdc file, so that Timequest understands that it doesn't need to follow any timing requirements at the junction between the two domains. I believe that once you do this, it will be automatically added to the metastability report.