Serial port-to-internet port radar communication circuit

The utility model belongs to the technical field of automobile radars, and particularly relates to a serial port-to-internet port radar communication circuit, which comprises a radar antenna, a radar processing chip, an SPI (Serial Peripheral Interface), an Ethernet controller, a network isolation transformer and an RJ45 network interface, both the radar processing chip and the Ethernet controller are connected with the SPI interface, the radar processing chip communicates with the Ethernet controller through an SPI communication protocol, and the Ethernet controller is connected with the RJ45 network interface through the network isolation transformer. According to the utility model, SPI communication is converted into network communication through the Ethernet controller, and the network communication of the radar processing chip is realized through the SPI interface and the RJ45 network interface, so that the function of converting a full duplex SPI serial port into a network port is realized. 本实用新型属于汽车雷达技