Timing probems

chema15

Junior Member

Join Date: Jul 2008

Posts: 2

09-04-2008

Hi, I designed a cordic block that has a fmax of 200 Mhz and I have a 18 bits counter that provides the angle for cordic block, this counter has a fmax of 210 Mhz. Here I don't have problems, but when I connect both the fmax is 40 Mhz and I need 150 Mhz !!!!

Do you have an idea to improve the fmax when I connect both?
Is it necessary to rebuild the blocks?

Thanks..

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