SNLA423
March 2023
DP83826E
1
Trademarks
2
DP83826 Application Overview
3
Troubleshooting the Application
3.1
Read and Check Register Values
3.2
Schematic and Layout Checklist
3.3
Component Checklist
3.4
Peripheral Pin Checks
3.4.1
Power Supplies
3.4.2
Probe the XI Clock
3.4.3
Probe the RESET_N Signal
3.4.4
Probe the Strap Pins During Initialization
3.4.5
Probe the Serial Management Interface Signals (MDC, MDIO)
3.4.6
Probe the MDI Signals
3.5
Link Quality Check
3.6
Built-In Self Test with Various Loopback Modes
3.7
Debugging MAC Interface
3.8
Tools and References
3.8.1
DP83826 Register Access
3.8.2
Extended Register Access
3.8.3
Application Note References
4
Conclusion
5
Revision History
3.8
Tools and References