Re: Static connections to input ports

From: Kevin Cameron <kevin_at_.....>
Date: Mon Nov 28 2005 - 09:19:42 PST
Jonathan David wrote:

>Helwig,
>
>Other than the confusion on p2 (Logic or wreal?)
>I don't know if "3.1" is the voltage or the current on
>the electrical port.. 
>Assuming this would be a shortcut for
>electrical net01
>V(net01) <+ 3.1;
>example I2 (`1b1, 0.1, net01);
>so you would need to provide something like.. 
>example I2 (`1b1, 0.1, electrical(V(3.1)) );
>  
>

Good idea. You probably need to add that a single (constant?) potential 
or flow
contribution can be treated as a driver of wreal.

Kev.

>---
>In general this could be setup.. but I think
>you would need to provide more than the value.. 
>you need the discipline, and the nature you are
>setting. It could be more valuable for the 
>wreal side, but I'm not sure if its that big a help
>to testbench developers.. but I guess if it were 
>in the language, I'd use it occasionally.
>Jonathan
>
>--- Helwig Graham-A11558 <Graham.Helwig@freescale.com>
>wrote:
>
>  
>
>>Hello,
>>
>>The Verilog language seems to allow the connection
>>of a 4-state value to discrete input port within a
>>module instantiation. See the first port connection
>>in the example below. This type of port connection
>>is very useful. The syntax of port connections in
>>  
>>  
>>     module example(p1, p2, p3);
>>         input p1; logic p1; wire p1;
>>         input p2; wreal p2;
>>         input p3; electrical p3;
>>     endmodule
>>  
>>NOTE: The static values in these wreal and
>>continuous input port connections are handled in the
>>same way as initialization values in explicit wreal
>>and continuous net declarations.
>>  
>>Should the merged Verilog-AMS/2005 LRM support the
>>static connections to all types of input ports?
>>  
>>Regards 
>>Graham Helwig
>>AMS Verification Engineer
>>Australia SoC Technology Centre
>>Freescale Semiconductor
>> 
>>Phone: +61-8-81683532
>>Fax: +61-8-81683201
>>Email: graham.helwig@freescale.com
>>
>>    
>>
>
>
>  
>
Received on Mon Nov 28 09:19:44 2005

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