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Kinetis K64 IEEE1588 transmit timestamping

Question asked by Marco Bertacci on Aug 27, 2019
Latest reply on Oct 14, 2019 by Felipe García

Hi,

reference manual K64P144M120SF5RM at chapter "45.5.10.3 Receive timestamping" reports that for received frames the Ethernet MAC latches the timer value in correspondence of SFD field.

 

What happens for transmit frames? When is the timer latched?

This behavior is not explained at relative chapter "45.5.10.2 Transmit timestamping".

 

Regards,

Marco

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