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Spectre: is it possible to specify initial conditions for DSPF blocks?

dontpanic

Hi! I am in the need of simulating extracted layouts in DSPF format. They are smaller and simulate faster than other alternatives (e.g. av_extracted, calibreview). However, I can't figure out how set initial conditions for nets within the blocks described by the DSPF netlists, an without those the whole simulation is ruined (we have some servo loops that need to be initialized close to their expected solution). Is there anyway this can be done?

Thanks and regards,

Jorge.

Parents

  • Hi Jorge,

    You'd almost certainly need to create a file with spectre "ic" statements (see "spectre -h ic") in referring to the nodes in the DSPF that you want to set initial conditions on, and then include that file via Setup->Model Libraries or Setup->Simulation Files->Definition Files or something like that (give the file a ".scs" suffix if it's in spectre syntax).

    Regards,

    Andrew.

Reply

  • Hi Jorge,

    You'd almost certainly need to create a file with spectre "ic" statements (see "spectre -h ic") in referring to the nodes in the DSPF that you want to set initial conditions on, and then include that file via Setup->Model Libraries or Setup->Simulation Files->Definition Files or something like that (give the file a ".scs" suffix if it's in spectre syntax).

    Regards,

    Andrew.

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