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AEsqu's avatar
AEsqu
Icon for Contributor rankContributor
6 years ago

Quartus 19.3 does not recognize reset sync blocks

Quartus 19.3 does not recognize reset sync blocks (with double or 3 FF), there is a plague of removal timing violations that are not valid (there are sync blocks). Quartus 13.1 does not have that ...
KennyT_altera's avatar
KennyT_altera
Icon for Super Contributor rankSuper Contributor
6 years ago

Yup, you can also check the register whether it had been optimized away in the compilation report. usually, it will provide you a reason why those register are being optimized away. It can be either floating, tied to gnd and etc.