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Altera_Forum
Honored Contributor
13 years agoRandom results on FPGA
Hello, I'm using altera devices for about 10 years with quartus or quartus + synplify pro. I'm currently struggling for about a month !!! on this issue: Using the same netlist from synplify...
Altera_Forum
Honored Contributor
13 years agoYes.
Got it this time ;-) I changed my clock constraint, I removed all gated clock definition because using create_generated_clock or create_clock of those internal clock was cutting the timing analysis for those clocks that needs to be clocked balanced. Adding them in hte same clock group was not helping. I now just define the source clock node and quartus is able, by itself, to properly figure out the clock routing and properly balance the gated clocks. I really think it is the end of story now ;-)