SNLA431 January   2024 DP83TC812R-Q1 , DP83TC812S-Q1

 

  1.   1
  2.   Trademarks
  3. 1Preface
  4.   Notational Conventions
  5. 2Related Documentation
  6. 3Support Resources
  7. 4Troubleshooting the PHY Application
    1. 4.1  Schematic and Layout Checklist
    2. 4.2  Verify Successful Power-up of PHY
    3. 4.3  Peripheral Pin Checks
      1. 4.3.1 Probe the RESET_N pin
      2. 4.3.2 Probe the INH pin
      3. 4.3.3 Probe the CLKOUT pin
      4. 4.3.4 Probe the Serial Management Interface (MDC, MDIO) Pins
    4. 4.4  Register Dump Comparison
    5. 4.5  Verifying Strap Configurations
    6. 4.6  Check the MDI Signal
    7. 4.7  Link Up Failed Common Issues
    8. 4.8  Signal Quality Check
    9. 4.9  Power Up Timing
    10. 4.10 Loopback Testing
    11. 4.11 Debugging the MAC Interface
    12. 4.12 Verify Open Alliance PMA Compliance
    13. 4.13 Tools and References
      1. 4.13.1 DP83TC812 Register Access
      2. 4.13.2 DP83TC812 USB2MDIO Scripts
      3. 4.13.3 Extended Register Access
      4. 4.13.4 Software and Driver Debug on Linux
        1. 4.13.4.1 Commonly Seen Linux Terminal Outputs
  8. 5Conclusion

4.13.2 DP83TC812 USB2MDIO Scripts

The following link contains a zip folder of USB-2-MDIO scripts that can be used to assist in the debugging process of the DP83TC812: DP83TC812 USB2MDIO Scripts

Such scripts include the SNLA389 given initialization scripts for master and slave, loopback scripts, test mode scripts for compliance testing, etc.