Open oskirby opened 4 years ago
MDIO is an open drain bus, and the FPGA's internal pullup is too weak to drive the bus correctly. Adding a 5k pullup allows us to detect and read the MDIO registers.
MDIO is an open drain bus, and the FPGA's internal pullup is too weak to drive the bus correctly. Adding a 5k pullup allows us to detect and read the MDIO registers.