Hi STM community,
We are using the microchip KSZ8091RNA Ethernet transceiver chip with the STM32F207 controller. We have a working firmware that we tested with LAN8740A transceiver chip. Now, in our new design we have used KSZ8091RNA. The issue is
1) Link status is always down in register 0x01.
2) The pins TXP, TXN, RXP and RXN are not generating expected signals. TXP and TXN are generating the same signals, RXP and RXN are generating same signals. However, TX and RX pins generate differential signals.
We are using STM32CubeIDE 1.18.1 and Code configurator STM32CubeMx v6.14.1
We have attached oscilloscope screen shots for reference. We have attached driver schematics and layout for your reference. Kindly, help us to resolve this issue.
