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SangameshNV's avatar
SangameshNV
Icon for New Contributor rankNew Contributor
1 year ago

Pin Mapping for RGMII Ethernet Signals for Cyclone V FPGA

Hi, I would like to use RGMII interface for Cyclone V FPGA. 5CGTFD5C5F23C7N. There are no dedicated io pins for Ethernet. Is it ok to use any gpios for TX_CLK, RX_CLK and other Ethernet signals. If...
Fpga Devkit
Ash_R_Altera's avatar
Ash_R_Altera
Icon for Regular Contributor rankRegular Contributor
1 year ago

Hi,

I would recommend to use the XCVR lines of the Cyclone V device. I don't think the normal GPIO lines can handle the 1Gbps rate.

Refer: 4.2. Gigabit Ethernet


Regards