基于FPGA的软核设计可以实现串口通信和usb通信的双向传输，以及可以在软核基础上实现无线以太等其他通信-FPGA-based soft-core design can be achieved usb communication serial communication and two-way transmission, and can be implemented in other communications such as wireless Ethernet based on soft-c

RTL8152B USB to ethernet adapter schematic and PCB design for reference