Article ID: 000079050 Content Type: Error Messages Last Reviewed: 09/11/2012

Fatal: (SIGFPE) Floating point exception

Environment

    PLL
BUILT IN - ARTICLE INTRO SECOND COMPONENT
Description

You may see this error in ModelSim when simulating Altera® PLLs if the resolution is not set correctly in your ModelSim environment. To simulate PLL behavior, the resolution must be set to picoseconds (ps). By default, the resolution is set to nanoseconds (ns).

To change the resolution, perform one of the following steps:

  • Change the default resolution setting by changing the resolution to ps in the modelsim.ini file
  • Change the run-time resolution setting by adding the option -t 1ps to your vsim command at the command line or in your .do file.

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