设计了以ENC28J60为核心的以太网接口实现方案，描述了该系统硬件架构的设计方法。在简要介绍了以太网控制器ENC28J60的结构、功能、外围电路的基础上，对ENC28J60与Atmega16的SPI通讯进行了阐述。此方案不仅成本低，而且可以实现500Kbps以上的传输速率，满足了嵌入式系统的Internet控制要求。关键词：嵌入式系统；ENC28J60；SPIAbstract: A solution of ethernet interface based on the core of ENC28J60 and its architecture of hardware is illustrated. Following a brief introduction of the structure, functions and external connections of the ENC28J60.The solution how to make ENC28J60 communicate with Atmega16 are expatiated. This solution not only can reduce the cost but also can obtain the transmitted rate of 500Kbps,and can satisfy the requirements of controlling embedded system through Internet.Key words: Embedded system; ENC28J60; SPI