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Segmentation of signal (Read 113 times)
aznaragorn
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Segmentation of signal
Jul 12th, 2004, 12:57pm
 
I am trying to use connect modules to use both analog and digital inverters. right now my code looks like this:

module test();

     reg a;
     logic a;
     wire b,c,d;
     logic b,c,d;
     wire temp;
     logic temp;
     initial a = 0;
     initial begin
           forever a = #100  ~a;
     end
     assign temp = a;
     analog_inv a1 (temp,b);
     analog_inv a2(b,c);
endmodule

I have 2 connect modules defined elsewhere called a2d and d2a which are similiar to the ones posted on the designers guide website.

I get this error message on the line analog_inv a2(b,c):
ncelab : Segmentation of a signal between analog ports is illegal

Any ideas on what this means and how to fix it?
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Andrew Beckett
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Re: Segmentation of signal
Reply #1 - Jul 13th, 2004, 2:45am
 
What version are you using? I think this was fixed in LDV51...

Andrew.
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aznaragorn
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Re: Segmentation of signal
Reply #2 - Jul 14th, 2004, 12:34pm
 
I am using ncverilog 04.10. So how do i get past this problem?

Thanks in advance.
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Andrew Beckett
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Re: Segmentation of signal
Reply #3 - Jul 14th, 2004, 1:39pm
 
Using a later version would be the simplest solution.

The problem is quite complex, and I don't have time to research precisely what is causing it and if there is a workaround. Using LDV51 or IUS53 would be the quickest solution.

Andrew.
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aznaragorn
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Re: Segmentation of signal
Reply #4 - Jul 22nd, 2004, 12:11pm
 
LDV update got past this error, thanks.
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