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2 seperate clock signls from 1 oscillator

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thetrice

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In my project i have my own vhdl code and also i am using a microblaze , now i implemented my vhdl code next to microblaze in the same vhdl top file , now microblaze clock input is directly from oscillator pin which is a 200MHZ clock and for my vhdl code i need a 100MHZ clock , so how from my 1 clock oscillator i can generate diffrent clock signals with different frequencies ?
 

and the generated clocks from PLL or dcm will be accepted by microblaze normally , and where can i find tutorials on using PLL ? thanks
 

Yes, that is the standard way of generatin and distributing many clocks from a single clock input in an FPGA. Open coregen and search for DCM (Digital Clock Manager). There will be a link to the datasheet.

r.b.
 

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