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Maximum clock speed

Former Member


I'm interested to know if the on-board 100 MHz clock can be changed for a faster one, and what will be the maximum speed we can operate on the Zedboard.

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    The 100 MHz clock (IC17) on ZedBoard is a Fox Electronics 767-100-136.  That family of oscillators goes up to 250 MHz.  If you are good at soldering, then you could swap out the oscillator.  However, using the internal clocking resources to synthesize a clock like TimDuffy suggests is probably the best way to go.  You'll be responsible for making sure your design in PL can meet timing at whatever clock rate you decide.

     

    The datasheets for all the Fox oscillators used on ZedBoard are now posted on the Docs page under Hardware Guide.

     

    Bryan

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    The 100 MHz clock (IC17) on ZedBoard is a Fox Electronics 767-100-136.  That family of oscillators goes up to 250 MHz.  If you are good at soldering, then you could swap out the oscillator.  However, using the internal clocking resources to synthesize a clock like TimDuffy suggests is probably the best way to go.  You'll be responsible for making sure your design in PL can meet timing at whatever clock rate you decide.

     

    The datasheets for all the Fox oscillators used on ZedBoard are now posted on the Docs page under Hardware Guide.

     

    Bryan

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