Ethernet Controller I210 —Electrical/Mechanical Specification
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11.6.2.8 SFP 2 Wires I/F AC Specification
According to Atmel's AT24C01A/02/04 definition of the 2 wires I/F bus.
Figure 11-7. MDIO Input AC Timing Diagram
Figure 11-8. MDIO Output AC Timing Diagram
