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Invalid Signal Splitter Error

Altera_Forum
Honored Contributor II
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Hi everybody!! 

 

I am using a CycloneIII mounted on an evaluation board, and I have to use the ddr2 memory mounted on it. I control the memory operation with the HPCII controller. To use all ddr2 memory devices on the evb (4 MT47H32M16CC-3 and 1 MT47H32M8BP-3) I have to duplicate the control signal, but when I try to do so, the "invalid Signal Splitter" error comes out. 

 

I try to duplicate in this way: 

 

wire ddr2_a; //output from the ddr2 controller 

assign ddr2bot_a = ddr2_a; 

assign ddr2top_a = ddr2_a; 

 

Someone has advices? 

 

thanks
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