基于STM32的快速嵌入式以太网接口  

Design of Fast Embedded Ethernet Interface Based on STM32

作　　者：戚新建 章伟[1,2] QI Xin-jian ZHANG Wei(College of Electrical Engineering and Control Science,Nanjing Tech University, Nanjing 211816, China College of Chemistry and Chemical Engineering, Nanjing Tech University, Nanjing 210009, China)

机构地区：[1]南京工业大学电气工程与控制科学学院,江苏南京211816 [2]南京工业大学化学化工学院,江苏南京210009

出　　处：《仪表技术与传感器》2017年第7期45-49,共5页Instrument Technique and Sensor

基　　金：江苏省科技支撑计划重点项目(BE2012759)

摘　　要：为了推进嵌入式设备网络化发展,设计了一种基于STM32F103ZET6处理器和DM9000A以太网控制芯片为核心的嵌入式以太网接口。单片机对网卡芯片进行初始化、数据的封包和解析,并通过FSMC对以太网芯片并行读/写,DM9000A负责网络数据的发送和接收。给出了接口系统设计框架和硬件电路,详细介绍了网卡初始化步骤和数据包收发的软件设计流程。TCP通信实验表明:该接口结构简单、传输速度快、丢包率低,能够实现可靠的嵌入式设备网络通信。An embedded Ethernet interface based on STM32F103ZET6 and DM90OOA was designed to promote the network communication of embedded devices.MCU is responsible for the initialization of network chip, packets and analysis, and read or write DM9000A with FSMC.DM9000A is major in sending and receiving data.The framework and hardware circuit were given.Initialization procedure of the network card and the process of data packet sent and received were introduced.TCP experiment shows this system has advantages of simple structure, fast speed, low packet loss rate, and can achieve reliable network communication.

关 键 词：STM32单片机 DM9000A 以太网 FSMC TCP 

分 类 号：TP393[自动化与计算机技术—计算机应用技术]