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Altera_Forum's avatar
Altera_Forum
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11 years ago

TimeQuest Timing constraint and SDC file

Hello, I would like to compare two different designs with respect to timing. I do not have any experience working with SDC files. I've gone through online training available at Altera website b...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
11 years ago

Run in TimeQuest:

report_timing -setup -npaths 20 -detail full_path -panel_name "setup" -file "./TQ/TQ_20setup_paths.txt"

You can add -from/-to options to specify the I/O, but if they're the worst case they come up by default. Then attach the .txt file to this.

From pin to pin, your pinout makes a big difference. You might want to try manually assigning them close to each other. (I haven't found the fitter to be that good at pin assignments).