Webset_clock_group -asynchronous. Both constraints prevent the Compiler from optimizing slack between asynchronous domain crossings. set_clock_group is the most aggressive … WebThe Set Clock Groups (set_clock_groups) constraint allows you to specify which clocks in the design are unrelated. By default, the Timing Analyzer assumes that all clocks with a …

SDC Commands — Verilog-to-Routing 8.1.0-dev documentation

Web28 Jan 2014 · But in PrimeTime command "set_clock_groups" have two switchs "-logically_exclusive " and "-asynchronous" . Could anyone explain what is difference between those two clock groups and how does it affect in terms of timing analysis if I declare clock group as "-asynchrouns" instead of "-logically_exclusive". Web23 Dec 2015 · With the set_clock_groups you can tell TimeQuest that it should ignore paths for clocks which are in different groups. You should be really sure what you want to do if you use this command! Questions: As the synthesis tool is fully aware of the design's internal connectivity - it can see which signals correspond to which clock domains. atm debit td bank

How to Set or Change a Computer

Webset_clock_groups -logically_exclusive -group CLKC -group CLKD. And the delay of each path will be optimized for the worst of the logically possible timing conditions. Note: … WebExclusive Clock Groups (-logically_exclusive or -physically_exclusive) You can use the -logically_exclusive option to declare that two clocks are physically active simultaneously, … atm dep meaning