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Altera_Forum's avatar
Altera_Forum
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16 years ago

IP Core Internal Nodes Synthesized Away

Hi, I have a problem regarding some IP core nodes were synthesized away by Quartus II. Therefore, i couldn't add them to the waveform editor. Also, i couldn't write a timing constraint using ...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
16 years ago

Hmm...

For example, how could i write a timing constraint from a D-FF1 output to another D-FF2 input? So that Quartus II can place that 2 FF not too far from each other...

The input of the D-FF2 usually would be synthesized away by Quartus, can anyone explain this?

Thanks!