本文介紹了一種采用Rabbit 3000 控制芯片為核心的嵌入式以太網網關的設計方法與實現，設計了RS232/485 總線、Lonworks 總線以及以太網的接口硬件電路，對嵌入式TCP/IP 協議棧原理與運行機制以及軟、硬件實現作以詳細介紹，從而實現智能設備與以太網的數據傳輸，本裝置組網能力強，通信傳輸可靠，實時性高，極易推廣使用。
關鍵詞：Rabbit3000；以太網；TCP/IP；網關
Abstracts: The method of design and implementation of Embedded gateway on industrial Ethernet are introduced and the gateway is designed with Rabbit 3000 as the central controller, and made a detailed briefing on the RS232/485 , Lonworks and Ethernet interface hardware circuit design, The principle of embedded TCP/IP protocol and its operational mechanism and implementation of its soft-hardware are described. The equipment can implement data transportation between the instrumentation and Ethernet and it has high network configuration, high reliable communication transportation, good real-time and wide
range use.
Keywords: Rabbit 3000, Ethernet, TCP/IP, Gateway