Subject: Re: Dynamic/Global Parameters in Verilog-AMS
From: Kevin Cameron x3251 (Kevin.Cameron@nsc.com)
Date: Mon Mar 05 2001 - 12:08:56 PST
> From hamm@adttx.sps.mot.com Sun Mar 4 07:51:36 2001
>
> ---"Kevin" == Kevin Cameron x3251 <Kevin.Cameron@nsc.com> writes:
>
> Kevin> You said wanted the ability to alter parameters, and that that
> Kevin> functionality was for sweeping in different analyses. The
> Kevin> general attribute scheme should allow you to add attributes
> Kevin> indicating that a parameter is sweepable and whether the change
> Kevin> should propagate, ranges for parameters are already
> Kevin> permitted.
>
> I'm completely missing the reasoning here. Why is any change to the
> language necessary for this functionality?
>
> We have implemented the ability to change and sweep parameters; it is
> handled outside Verilog-A(MS) in the simulation controls, which is
> where I believe it belongs.
>
> --Steve
It's useful to be able to specify things like process-spread etc. with
device models so that automatic tools can verify circuit behavior over
a range cases.
If you want to reuse IP in foreign environments then there needs to be
a mechanism that is agreed upon by vendors and users for representing
that data.
I don't think we need to extend the language, but having a common
methodology documented would be good.
Kev.
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