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dsp48 accumulator for the first operation

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kannan2590

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Hi all,


I am working currently in a project( Virtex-4 FPGA) where i want to add
two signals of 42 bits each with a clock frequency of 200MHz.
So for this addition, I want use only dsp48 accumulator for the first operation.

How to write VHDL code for this, so that it will infer to DSP48 accumulator ?
 

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