White Paper - Multi-Mode Clock Domain Crossing Verification Enables Analysis Efficiency and Accuracy
This paper shows how automated modal CDC analysis is used to exhaustively verify CDC issues in all test and operational modes of an SoC with multiple IPs.
Modal CDC analysis configures the design as a set of operational modes and runs CDC analysis on each modal version of the design. Before the modal analysis flow was adopted, users would have to manually setup CDC analysis runs for each of the parameter sets corresponding to each DUT mode.
The main benefit of this new approach has come from the automatic consolidation of all the results from each mode, making issues very easy to interpret and debug. Now it only takes us a few hours to review results and begin to take corrective action, vs. days and weeks with the prior, manual approach.
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