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Altera_Forum
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12 years ago

PHY Ethernet to optics without external chip

Hello! Can anyone tell me, is it possible to create PHY ethernet on my Cyclone IV E using IP core or VHDL/Verilog? I also found "Custom PHY" IP core. Can I use it for all devices in family...
Altera_Forum's avatar
Altera_Forum
Icon for Honored Contributor rankHonored Contributor
12 years ago

For low Ethernet speeds (100Mbits/s) I don't think there are any options inside the FPGA. You will need an external PHY that you can connect to the TSE inside the FPGA though a standard MII or RMII interface. Those interfaces don't use transceivers, but a lot of pins (20 for MII if I remember correctly).