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Simulators >> AMS Simulators >> AMS +elaborate+error
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Message started by mustangyhz on Nov 22^nd, 2010, 3:47am

Title: AMS +elaborate+error
Post by mustangyhz on Nov 22^nd, 2010, 3:47am

ncelab: *W,CUNOUN: Cannot find any unit under chrt18base.RFNMOS_1P8:spectre in the design libraries.
ncelab: *E,CUCFUN: instance 'NM0' of the unit 'RFNMOS_1P8' is unresolved in 'pllmml.dts:schematic'.

how can I solve this?

one solution:
Because the AMS simulation is different from spectre, so we must use the CIW-Conversion Tool Box-AMS simInfo form Spectre to creat the simulation information of the PDK.

After doing this, my simulation still can not run. why?
help!!!

Title: Re: AMS +elaborate+error
Post by mustangyhz on Nov 22^nd, 2010, 5:24am

CIW-Conversion Tool Box-AMS simInfo form Spectre
liberary name： the library name of PDK or my design library?
process allcells in the library: select or not?
process only cells with the following view: select or not?
if AMS simulation information exists:
only copy termmapping field select or not?
overwrite ams simulation information select or not?
mark a cell as a primitive:
if any of modelmame/model/modelname are found select or not?
if the cell has a spectre view select or not?

Title: Re: AMS +elaborate+error
Post by sheldon on Nov 22^nd, 2010, 8:51pm

Mustangyhz,

Maybe you should spend some time working with your local support.
It seems like you need someone to help you through setup and
simulation process. BTW, unless you are using a very old version of
AMS Designer you should only need Spectre simulation information
and you should not need to create an ams siminfo section.

Best Regards,

Sheldon

Title: Re: AMS +elaborate+error
Post by mustangyhz on Nov 22^nd, 2010, 10:21pm

I have installed ic5141 user6, ius8.2,mmsim610. Are they too old?

Title: Re: AMS +elaborate+error
Post by mustangyhz on Nov 23^rd, 2010, 12:27am

I have changed the pdk to tsmc.
I have got the siminfo->ams.
I still got these error:

ncelab: *N,SFEDPL: Deploying new SFE in analog engine.
ncelab: *W,CUNOUN: Cannot find any unit under tsmc18rf.rm1:spectre in the design libraries.
ncelab: *E,CUCFUN: instance 'R0' of the unit 'rm1' is unresolved in 'pllmmlverilogtsmc.plltop:schematic'.

why?

Title: Re: AMS +elaborate+error
Post by jerome_ams on Nov 24^th, 2010, 9:38am

Hi,

How are you defining the model (Cadence view) you want to simulate for R0?
What kind of component is R0? A spectre resistor?

Cheers,
Jerome

Title: Re: AMS +elaborate+error
Post by mustangyhz on Nov 24^th, 2010, 4:09pm

jerome_ams

Cadence view name: spectre
Rm1 is a spectre resistor?

thanks
mustangyhz

Title: Re: AMS +elaborate+error
Post by jerome_ams on Nov 29^th, 2010, 8:40am

I usually give "symbol" view in the hierarchy editor for components of the analogLib.
What occurs if you do a right mouse click on the spectre view in your hierarchy editor and click then on "compile"?

Title: Re: AMS +elaborate+error
Post by mustangyhz on Nov 29^th, 2010, 5:14pm

components of the analogLib is ok!
Cannot find any unit under chrt18base.RFNMOS_1P8:spectre in the design libraries.

Title: Re: AMS +elaborate+error
Post by bernd on Nov 30^th, 2010, 2:42am

I don't know which tools versions you were using
and if you use the ADE environment as AMS interface,
but if so you may give the OSS-based netlisting a chance

Simulation -> Netlist and Run Options
OSS-based netlist with irun

*

Title: Re: AMS +elaborate+error
Post by jerome_ams on Dec 1^st, 2010, 6:06am

yes, u could try a Netlist All (default: incremental), Compile All (default: incremental) from the AMS>Netlist and Run>Run Options Menu in Hierachy Editor.

It might it that the model u want to simulate is not "pre-compiled" like the components in the analogLib... U should be able to compile it, doing what Bernd proposed.
If it complains that the library containing your spectre model is read only, and thus thaht it can not compile, then Assign a TMP for this Lib

Hope it helps

jerome

Title: Re: AMS +elaborate+error
Post by Andrew Beckett on Jan 2^nd, 2011, 10:09pm

Most likely you've just not specified the path to the spectre models for the transistors. If using ADE this is under Simulation->Model Libraries (just as it is for spectre). There's a similar menu if using the AMS Plugin in the hierarchy editor.

Regards,

Andrew.