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You can also do register duplication in the source code. Create two signals assigned from the same source, but each one has a different destination. Then apply the nomerge attribute to them to prevent the synthesis from merging them.
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Thanks for your attention
But I have a question. In my design I have a control register that feed many multiplexers. This register have a high fan-out signals that have a negative effect in the system timing.. I tried the following
1- To assign this register to a global control register ---------------> That results in no effect on timing
2- To make a max-fan-out assignment to it ---------------> The same fan out problem reported in the fitter
3- To select the register duplication in the physical synthesis options --------------> The duplicated registers also reported to have a large fan-out
I want a solution for this problem. The Design assistant only advice to solve this problem. What can I do
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