嵌入式系统网络接口模块设计

Design of Embedded System Interface Module based on Etherne

嵌入式系统已广泛应用于网络中,所以需要相应的网络接口满足需求,介绍了设计此系统网络接口模块所需要的核心以太网控制器ENC28J60,分析了其工作机理,通过设置ENC28J60内部寄存器来完成数据的有效接收和发送,采用高速高性能的LPC2132微控制器与以太网控制器ENC28J60和接口芯片MAX232相连接实现网络接口模块设计,对接口电路作了详细阐述,并对系统控制软件进行了具体分析。该模块用途广泛,具有良好的应用前景。

Embedded systems are applied widely in network, it is necessary to provide corresponding network interfaces. The paper introduces core Ethernet controller ENC28J60 and its work mechanism. Transferring and Receiving data by ENC28J60 internal registers are analyzed in detail. Modular design of network interface is implemented through connecting efficient and high speed MCU LPC2132 microcontroller with Ethernet controller ENC28J60 and interface chip MAX232. Interface circuit and system control software are studied in detail. Embedded system interface module based on Ethernet is widely utilized and has good application prospect.