SNLA452
August 2025
DP83TD510E
1
Abstract
Trademarks
1
Introduction
2
Troubleshooting the Application
2.1
Schematic and Layout Checklist
2.2
Component Checklist
2.3
Device Health Checks
2.3.1
Check Voltage Supply Pins
2.3.2
Probe the RST_N Pin
2.3.3
Probe the CLKOUT Pin
2.3.4
Probe the SMI Pins
2.4
Read and Check Register Values
2.5
Verifying Strap Configuration
2.6
Loopbacks
2.7
MDI Health Checks
2.7.1
Link Up Common Issues
2.7.2
Transmit Level
2.7.2.1
Change Transmit Level
2.7.3
Time-Domain Reflectometry
2.7.4
Signal Quality Check
2.7.5
MDI Test Modes
2.8
MII Health Checks
2.8.1
RGMII
2.8.2
RMII
2.8.3
MII
3
Summary
4
References
Application Note
DP83TD510E Troubleshooting Guide