Hi Ti engineer,
The following problems occur when debugging DP83848.
DP83848 is used for EtherCAT communication. One slave station uses two DP83848+ two network ports. When both network ports are connected, the communication is normal. When only one network port is connected, the communication is abnormal. DP83848 communicates with FPGA through RMII interface. See the attached schematic diagram
FPGA is right to view the received data, CRC is also right; Send TXEN/TXD look also no problem, but the master station a frame of correct data are not received, external packet capture tool can not catch the data returned from the station.
