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diference between signal and variable?

 
 
jonathan castro jonathan castro is offline
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Join Date: May 2008
Posts: 5
 
      05-20-2008
good morning

can someone explain me the diference between use a signal and a variable?

is there a pysic diference between them both?
 
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jeppe jeppe is offline
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Join Date: Mar 2008
Location: Denmark
Posts: 348
 
      05-20-2008
Find and download Evita VHDL interactive book - In chapter 6 will you find examples which explains the difference.

A variable will get its value immediate with :=
A signal will wait until the code ended <=
 
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