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DDR2 contrlr runs at 78MHz on FPGA...why FPGA prototyping ?

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rakesh_aadhimoolam

rakesh_aadhimoolam

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Hi All,

I am presently working on DDR2 controller running at 78 MHz.
It works fine in simulation as well on FPGA.
But we have not achieved the real time target of 166MHz/200MHz.
What is the use of FPGA prototyping here ?
Why do we have to do it ?

Thanks
 

It is pretty common practice to use FPGA to prototype ASIC and validate its functionality before going for full mask. Due to performance limitation of FPGA , the prototype usually runs at a fractional speed. But it is still valuable for finding bugs and avoid expensive mistakes in ASIC.
 

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