Frame Lock State Machine - 3.1 English

UltraScale+ Devices Integrated 100G Ethernet Subsystem Product Guide (PG203)

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3.1 English

The frame lock state machine searches for the frame marker, consisting of 16 consecutive 1s followed by 16 consecutive 0s. This functionality is fully specified in IEEE 802.3, Clause 72, Figure 72-4. When frame lock is achieved, the frame_lock signal is set to a value of TRUE.