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Explorer
Explorer
9,563 Views
Registered: ‎11-28-2011

IDELAYCTRL ref clock

The V5 datasheet specifies the reference clock for IDELAYCTRL as 200MHz.  Is this the minimum frequency? 

I only have a 120MHz oscillator, so would I need to create a 200MHz from a PLL or DCM?

 

 

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Xilinx Employee
Xilinx Employee
9,558 Views
Registered: ‎06-30-2010

Re: IDELAYCTRL ref clock

Correct 120 mhz is out of spec a pll or sm is required to generate the ref clk
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