W5500 ethernet controller link problem
My design includes an STM32, a W5500 and this RJ45 connector which has a 1000pF/2kV capacitor.
The problem is that when I connect a cable t
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Differences that I can see:
- Ferrite bead between VDD and VDDA
- Careless impedence matching on RX-TX lines
- 1Mohm crystal resistor not installed
What is the root cause of this problem and how can I debug it to solve the problem?
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