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vhdl codes for edge detection

 
 
rajesh yadav rajesh yadav is offline
Junior Member
Join Date: Feb 2011
Posts: 1
 
      02-26-2011
hi friends,
i m working on a project "edge detection using vhdl" .by using c and mat lab it is implimented but i want to make it on vhdl .so please send me vhdl codes .
 
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jeppe jeppe is offline
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Join Date: Mar 2008
Location: Denmark
Posts: 348
 
      09-15-2011
The Rising_edge function will do the trick

Code:
Process (Clk)
begin
     if Rising_edge( Clk) then
           Q <= D;                        -- single Flip/Flop
           Counter <= Counter+1;   -- Count number of edges
     end if;
end process;
 
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