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How I can declare a thermodecoder variable in a vcd file

georgekasa

Greetings,

I am trying to simulate a chip using a vcd file to read the data which I need to run the simulation. When I run a dc simulation all is fine expect the inputs which are programmed using a thermocoder. Thus I want to ask if I can declare these inputs as thermodecoder in my vcd file.

thank you in advance

  • Andrew Beckett

    First of all, posting this question in the Questions, Suggestions and Feedback forum makes no sense since that's for issues with the forum itself, not for technical questions. So I moved it (you're lucky I monitor that forum for mis-posts).

    Secondly, it's unclear what you mean by "are programmed using a thermocoder". I assume you mean some kind of "thermometer code"? Well, if the inputs are just a binary bus, you can apply the values to that bus via the VCD file and just ensure that the values of the bus you apply are actually thermometer encoded. 

    Or you could write a behavioural model (Verilog or VerilogA depending on which simulator you're using) which converted binary to thermometer encoding and then apply the binary values to the input of that model via VCD.

    This is all assuming I've guessed the meaning of your question which was far from clear...

    Regards,

    Andrew.

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