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*Error* eval: undefined function -xxxxx_mosDisplay while using abConvertComponentParams.il to change device between different PDK

George Qin

Dear Andrew,

I want to change umc80nm device to umc55nm device in all schematics of my Library, but get *Error* eval: undefined function -xxxxx_mosDisplay while using abConvertComponentParams.il to change device between different PDK.

I load "abConvertComponentParams.il" and "abInvokeCdfCallbacks.il" and use the following function in CIW:

abConvertComponentParamsForLib("xxxx(my Library name) "schematic" "../../conv.config")

My conv.config file(for change NMOS as example):

Although the device seems correctly changed, I can not modify any parameter in the property of instance (as the pic below, some boxes are grey) 

CIW also shown these Error:

How can I solve this problem?

Thanks

  • Andrew Beckett

    This suggests something is wrong with the PDK installation, because that function is the display call-back for each of the parameters. It's nothing to do with the conversion code - it's simply that when trying to call the callback for each parameter to determine whether that parameter should be displayed or not (when editing properties or doing create instance) the function cannot be found.

    I don't believe that error would appear during the conversion code, because it doesn't use the display callback at all. It's just when you do edit properties or create instance after the conversion? I expect the same thing would happen if you  place an new instance of a component from the PDK.

    So you need to contact the foundry.

    Andrew.

  • George Qin
    in reply to Andrew Beckett

    Thanks, the problem is due to PDK, as you said.

    By the way, can I use the configure file formate below to converter all umc80nm instance to 55nm (Including mos, res ,cap,diode etc.)? It seems work well.

    What I mean is to omit the code :"params("w" width "l" length), addProps("isnoisy" t)" etc.

    (since I do not know what does these code do)

  • Andrew Beckett
    in reply to George Qin

    There's no requirement to have params or addProps in the config (note, the comments at the top of the code explain what they do). The params form is needed if you need to map a parameter name from one device to another or do some scaling - so for example if the parameter is called "l" in one PDK and "length" in the other. The addProps is needed if you want to add additional properties on the instance which weren't there before. If you don't need either of these things, then they can be safely omitted, as you've found.

    Regards,

    Andrew.

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