I am trying to use DP83848 ethernet with stm32f429. I have successfully configured and can send and receive data to a remote server. The LED_ACT yellow light is flashing continuous But the LED_LINK green light never comes on.

[MKoca.1]

I don't think there is a problem with the connections and the resistor placement. Because I made it according to the datasheet. What is the reason why LED_LINK is not lit and how can I solve it?

uint32_t Reg_Val;

//Read register 0x19 on DP83848

Reg_Val = ETH_ReadPHYRegister(PHY_BCR, 0x19);

//Clear both LED bits, SET led mode to 2, read DP83848 datasheet for more info

Reg_Val &= ~(1 << 5 | 1 << 6);

//Write new value to register

ETH_WritePHYRegister(PHY_BCR, 0x19, Reg_Val);

HAL_ETH_WritePHYRegister(&heth, PHY_BCR, 0x03);

HAL_ETH_WritePHYRegister(&heth, PHY_BSR, 0x60);

Thank you in advance for your help.

[Walid ZRELLI]

Hello @MKoca.1​ ,

Can you please share your initialization for further check?

Thanks in advance.

BeST Regards,

Walid

[MKoca.1]