Ethernet module for RFID system

The utility model discloses an Ethernet module for a radio frequency identification (RFID) system, which comprises an Ethernet control circuit, a microprocessor circuit, a storage circuit, a power supply voltage stabilizing circuit and a serial port conversion circuit, and is characterized in that the Ethernet control circuit consists of an Ethernet chip, a network filter and an RJ45 network cable interface; the model of the Ethernet chip is DP83848, and the microprocessor circuit comprises a main processor chip STM32F107 and a microprocessor monitor. According to the utility model, the design is simple and flexible, the selected Ethernet chip DP83848 is good in robustness and high in cost performance, the chip supports both MII and RMII, the Ethernet chip is connected with the RJ45 network cable interface, and the circuit is simple, is not easily influenced by the environment, and is high in compatibility and universality. 本实用新型公开了一种用于RFID系统的以太网模块，包括以太网控制电路、微处理器电路、存储电路、电源稳压电路和串口转换电路，所述以太网控制电路由以太网芯片、网络滤波器、RJ4