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Altera_Forum's avatar
Altera_Forum
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15 years ago

Ethernet link speed auto detection

Hi I have a custom board with a ethernet PHY connected to the FPGA using RGMII. I am using triple speed ethernet and iniche. I do not have the signals set_10 and set_1000 from the PHY. I can...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
15 years ago

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If the PHY's LED pins are connected to the FPGA then you can detect the link state and speed directly, and trigger an interrupt on the CPU in case of speed change.

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Workaroundish method :D