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OrF's avatar
OrF
Icon for Occasional Contributor rankOccasional Contributor
2 years ago

CDC-50001 - 1-Bit Asynchronous Transfer Not Synchronized

I'm trying to re-open this ticket - I didn't found how , but anyway I tried to change the default Quartus SYNCHRONIZATION_REGISTER_CHAIN_LENGTH 2 (instead of 3) and still get the same warning , ...
Timing
ShengN_altera's avatar
ShengN_altera
Icon for Super Contributor rankSuper Contributor
2 years ago

Hi Or,


May be try Synchronizer Identification: Forced if asynchronous


Or set_instance_assignment (Synchronizer Identification) straight away to those registers


Thanks,

Regards,

Sheng