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Altera_Forum
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13 years ago

TimeQuest Issue on CDC Synchronization on Control and Data Path

Hi everybody, I have an issue on appropriate TimeQuest Constrains on a Clock Cross Domain Design. My context is an external Synchronous bus with a control signal and a set of data signals: my ...
Altera_Forum's avatar
Altera_Forum
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13 years ago

Hi Claudia,

Isn't better to use a FIFO to decouple the clock domains?You have only to add some control logic to check FIFO full or empty, but I think this solution could be safier. In this case you could use false path between clocks...

Giuseppe