Programmable Devices
CPLDs, FPGAs, SoC FPGAs, Configuration, and Transceivers
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19997 Discussions

1G-10G Ethernet PHY via SGMII and XAUI

Honored Contributor II



Thinking about how to implement a fully reconfigurable design where there my Ethernet PHY supporting 10M/100M/1000M/10G speeds is connected to my ArriaV GX via XAUI. In order to be able to operate at other speeds than 10G the PHY reconfigures its XAUI to SGMII (only one lane in use @ 1.25Gbps). How should I accommodate for that on my FPGA? Is there a way to have transceivers reconfigured between 4-lane XAUI @ 3.125G and 1-lane SGMII @ 1.25G and vice versa?
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