| 基于MSP430和DM9000的以太网接口设计 |
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| 引用本文： | 刘亚萍,甄国涌,刘东海.基于MSP430和DM9000的以太网接口设计[J].自动化与仪表,2010,25(7):17-20. |
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| 作者姓名： | 刘亚萍 甄国涌 刘东海 |
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| 作者单位： | 中北大学,电子测试技术国家重点实验室,太原,030051 |
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| 摘 要： | 为提高以太网的数据传输效率,设计了以MSP430FG4618为核心的控制单元,驱动以太网接口芯片DM9000EP的嵌入式系统的以太网接口。通过单片机完成网卡芯片的初始化、数据的封装、接收和发送控制等,而网卡芯片则负责以太网数据的接收和发送。测试结果表明了UDP数据传输过程,经自行裁剪的UDP/IP协议栈,提高了UDP传输效率。该接口具有硬件接口简单、外围器件少、价格低廉、开发周期短等特点,同时也能满足测试、采集等高速数据传输系统的要求。
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| 关 键 词： | MSP430 DM9000 以太网接口 UDP 数据传输 |
Design of Ethernet Interface Based on MSP430 and DM9000 |
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| LIU Ya-ping,ZHEN Guo-yong,LIU Dong-hai.Design of Ethernet Interface Based on MSP430 and DM9000[J].Automation and Instrumentation,2010,25(7):17-20. |
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| Authors: | LIU Ya-ping ZHEN Guo-yong LIU Dong-hai |
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| Affiliation: | LIU Ya-ping,ZHEN Guo-yong,LIU Dong-hai(National Key Laboratory for Electronic Measurement Technology,North University of China,Taiyuan 030051,China) |
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| Abstract: | In order to improve the Ethernet data transmission efficiency,it designed a embedded Ethernet interface,whose core control unit is MSP430FG4618 to drive the Ethernet interface chip DM9000EP.Through the MCU to completed the initializatioin of the Ethernet card chip,data package,the control of receiving and sending;while the Ethernet card chip is used to receive and send data from Ethernet.The test results showed that the transmission process of UDP data;and UDP transmission efficiency is increased through cu... |
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| Keywords: | MSP430 DM9000 UDP |
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