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We are working on a KSZ9031 Ethernet PHY with a Zynq 7020. I don't know where connect the CLK125 signal on a Zynq 7020. What is the use of this signal ?

Thanks, Jeff

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  • \$\begingroup\$ possibly 125MHz ? \$\endgroup\$ – Jasen Aug 24 '17 at 9:53
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It shouldn't be necessary to connect the CLK125 line to anything on the Zynq7020. We have had success in our implementation just leaving it as a no-connect on the PHY.

See also Sheet 6 of the Zedboard Schematics where they do something similar. Zedboard Schematics

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