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frequency multiplier on fpga

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rave1786

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frequency multiplier fpga

is it possible to implement frequecy multipier on a fpga
 

fpga frequency multiplier

In Xilinx Parts It's OK. Xililinx parts have DCM module. In the DCM there is a PLL that you can use for frequency multiplication.
 

ya but that DCM primitive is giving me problems during sysnthesis(some time variables are used inside the primitive apparently) If u make it work please tell how u did that
 

Hi,

In Altera FPGA it is inbuilt function. It is having supporting hardware like PLL in built in. You can use it.

If you need more information, contact me,

Regards,

N. Muralidhara

CRL-BEL
 

Hi mindstream, which method are you using to put the DCM into your project? What exactly does the error message say?

If you are directly instantiating the primitive into your HDL, then here's a Verilog example that uses two DCMs. It may be more complex than what you need, but see if it compiles for you, or if you still get synthesis errors:
#968496
 

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