Stats

  • Locked Locked
  • Replies 2
  • Subscribers 64
  • Views 14770
  • Members are here 0
This discussion has been locked.
You can no longer post new replies to this discussion. If you have a question you can start a new discussion

Cannot use input vector as stimuli when performing AMS simulation with irun.

dogrush

For simulating without using irun, I could specify the input vector in the ADE simulation files setup. It could run correctly.

However, if I run AMS simulation, that is, to use the config and irun to run spectre/functional mixed simulation, and specify the input vector in the ADE simulation files setup, then the simulation could be run but the results seem to be not correct. The run log has no errors about the input vector, and I also could open the simulation results for viewing the waveform, but the waveform is not correct. At least, the input pin's signals are not same as in the input vector file.

So, I am not sure whether it could not work correctly. Anyone who knows about this?

Thanks.

Parents

  • If I remember correctly, you can only use the vector file input for analog nodes in an AMS simulation. It can't be used on digital inputs (this certainly used to be the case and there was a CCR (513270) to address this - and I don't believe it's been fixed). This is because the capability comes from spectre or UltraSim, and not from ncsim.

    Are your vector inputs connected to analog or digital nets?

    Regards,

    Andrew.

Reply

  • If I remember correctly, you can only use the vector file input for analog nodes in an AMS simulation. It can't be used on digital inputs (this certainly used to be the case and there was a CCR (513270) to address this - and I don't believe it's been fixed). This is because the capability comes from spectre or UltraSim, and not from ncsim.

    Are your vector inputs connected to analog or digital nets?

    Regards,

    Andrew.

Children
No Data

Community Guidelines

The Cadence Design Communities support Cadence users and technologists interacting to exchange ideas, news, technical information, and best practices to solve problems and get the most from Cadence technology. The community is open to everyone, and to provide the most value, we require participants to follow our Community Guidelines that facilitate a quality exchange of ideas and information. By accessing, contributing, using or downloading any materials from the site, you agree to be bound by the full Community Guidelines.