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Altera_Forum
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15 years ago

CLOCKS_ARE_SYNCHRONIZED Warning

I have this warning Warning: Assertion warning: Number of metastability protection registers is not specified. Based on the parameter value CLOCKS_ARE_SYNCHRONIZED=FALSE, the synchronization regi...
Altera_Forum's avatar
Altera_Forum
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15 years ago

When locating it in design file, it appears that the warning refers to a dcfifo_hrd1 subdesign file which has a set of "local" altera options on top ( OPTIONS ALTERA_INTERNAL_OPTION = "AUTO_SHIFT_REGISTER_RECOGNITION=OFF;REMOVE_DUPLICATE_REGISTERS=OFF;suppress_da_rule_internal=d101;suppress_da_rule_internal=d102;suppress_da_rule_internal=s102;{-to p0addr} POWER_UP_LEVEL=LOW;{-to rdptr_g} suppress_da_rule_internal=r105"; ).

Thank you