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BeB's avatar
BeB
Icon for Occasional Contributor rankOccasional Contributor
5 years ago
Solved

Stratix 10 Native PHY rx_is_lockedtoref

Hello, I am using a Stratix SX280LN3 device. To setup a 10G Ethernet link via SFP+ fiber optic link, I am using the Native PHY IP block. Once the reset sequence has been correctly applied at powe...
  • CheepinC_altera's avatar
    CheepinC_altera
    5 years ago

    Hi,


    As I understand it, you have some inquiries related to the behavior of the rx_is_lockedtoref signal of the Native PHY. Yes, your understanding is correct. When the rx_is_lockedtodata signal stays at high, it indicates that the CDR has successfully lock-to-data. During this, the rx_is_lockedtoref signal can be ignored (It may toggle, stay low or stay high).


    Please let me know if there is any concern. Thank you.


CheepinC_altera's avatar
CheepinC_altera
Icon for Regular Contributor rankRegular Contributor
5 years ago

Hi,


As I understand it, you have some inquiries related to the behavior of the rx_is_lockedtoref signal of the Native PHY. Yes, your understanding is correct. When the rx_is_lockedtodata signal stays at high, it indicates that the CDR has successfully lock-to-data. During this, the rx_is_lockedtoref signal can be ignored (It may toggle, stay low or stay high).


Please let me know if there is any concern. Thank you.


  • BeB's avatar
    BeB
    Icon for Occasional Contributor rankOccasional Contributor
    5 years ago

    Thank you for your feedback!

    BeB