LAN8670/1

4.14.4.1 MDI Wake Forwarding

This section applies to devices of revision D0 and later.

The LAN8670/1/2 may be configured to generate a WUP containing the 625 kHz wake-up tone on the MDI upon wake from SLEEP due to a wake pulse on WAKE_IN. MDI wake activity forwarding is enabled by setting the MDI Forward Enable (MDIFWDEN) bit of the Sleep Control 1 (SLPCTL1) register. Automatic forwarding of WAKE_IN wake events to the MDI must be configured prior to entering the SLEEP state.

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