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Other CAD Tools >> Entry Tools >> AA/Spectre probing devices in included subcircuits
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Message started by Haydar on Jun 10^th, 2009, 6:39pm

Title: AA/Spectre probing devices in included subcircuits
Post by Haydar on Jun 10^th, 2009, 6:39pm

I'd like to probe the currents of devices that exist in a subckt, which is inserted into the netlist via an include statement.
Even though I include the probes in the netlist, AA doesn't seem to be saving the waveform data for these probes in the psf file.
I just found out that if I remove the command line options:

+inter=mpsc +mpssession=spectre1_17418_12

from the runSimulation or command lines, the probes are saved.

So my question is how can I change simulation command line options via SKILL? Do I have to somehow change asiRunSimulation?

Thanks for any help.

-Haydar

Title: Re: AA/Spectre probing devices in included subcircuits
Post by rf-design on Jul 4^th, 2009, 2:24am

Interessing

I am not an AA expert but it seems to that your wish is outside of the cadence concept:

show me only that where you can click on...

so there is no concept of

show me nongrafic results (DC,waveform..)

Could you include the .save with the external subcircuit?

Title: Re: AA/Spectre probing devices in included subcircuits
Post by Andrew Beckett on Jul 10^th, 2009, 8:39am

Really? I find this rather surprising.

I'd like to understand how you're "probing" these nodes (what's the syntax in your file).

There should be no need to customize anything. You could run in "batch" mode (which will remove these +mps... args), but I can't see how that would help. In the CIW before starting ADE, do:

envSetVal("spectre.envOpts" "controlMode" 'string "batch")

But better to understand the root problem.

What spectre and IC subversions are you using (look in the spectre output file, and at Help->About in the CIW)?

Regards,

Andrew.