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Visitor ppoojac
Visitor
153 Views
Registered: ‎08-05-2019

fpga clock generation

hello,

I need to generate clock  using fpga with frequency according to me, ie. i just want to devide frequency of clock  already present in board.I am able to do it using xilinx artix-35T fpga , but I am not able to do it using kintex-7 evaluation board. there are many SMAconnector  provided in board. so please can anyone suggest me! how to proceed.

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Explorer
Explorer
125 Views
Registered: ‎12-05-2016

Re: fpga clock generation

hi @ppoojac ,

Are you providing input clock from any external system like function generator? 

If you are planning to use the system clock in KC705, you can simply use a clocking wizard. 

If you want to provide an external clock through SMA connectors that is also posible I think. 

Changing FPGA from artix-7 to kintex-7 may not affect the logic. The change will be at IP core configuration and pin mappings. 

Regards,

Reshma 

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Visitor ppoojac
Visitor
88 Views
Registered: ‎08-05-2019

Re: fpga clock generation

thankyou,

I want to use the onboard clock as input and take the output clock from SMA. I am using vivado software for programming. I am not able to assign SMA as an output port. you are right logic will be the same only pin mapping will be different. I am not able to map pin. is it possible to take the output from SMA? how can I assign? 

 

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Explorer
Explorer
73 Views
Registered: ‎12-05-2016

Re: fpga clock generation

 

Hi,

Please check the following link.

https://forums.xilinx.com/t5/Other-FPGA-Architectures/KC705-GPIO-SMA-Connectors/td-p/777259

Regards,

Reshma 

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