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摘要随着信息化、智能化、网络化的发展，嵌入式系统技术获得广阔的发展空间。ARM处理器是业界领先的32位嵌入式微处理器，具有低功耗、高性能、扩展性强等优点，已成为许多行业嵌入式解决方案的首选。因此ARM处理器嵌入式系统设计就成为一个愈来愈重要的课题。64238
本课题以某雷达信号模拟器的显控终端设计为应用背景，自主设计出基于AT91SAM9G20处理器的嵌入式系统。该系统通过对FPGA、LCD、键盘、外部接口的控制，实现信号处理和产生、工作状态监控、数据存储和传输的功能。首先根据应用需求，设计系统总体结构；其次详细介绍系统硬件设计和系统软件实现方案；最后验证并展示本系统功能，验证了设计的正确性。
毕业论文关键词 AT91SAM9G20 嵌入式 显示 控制
毕业设计说明书（论文）外文摘要
Title The design of display and control terminal based on AT91SAM9G20
Abstract With the development of information technology, intelligent and networked, embedded system technology get broad space for development. ARM processor is a 32 bit embedded industry-leading microprocessor .It is became the first choice of many embedded solutions, with low power consumption, high performance and scalability. So the design of ARM processor embedded system is became a more and more important subject.
The paper is to design an embedded system based on AT91SAM9G20 processor independently, with the application background of a radar signal simulator display and control terminal design. The system realizes the function of signal processing and production, working status monitoring, data storage and transmission, through the control of the FPGA, LCD, keyboard, external interface. Firstly, architecture of system is designed, according to the application requirements. Secondly, it’s followed by introduction of system hardware and software design. Finally, it’s to verify and demonstrate the function of the system, and verify the correctness of the design.
Keywords AT91SAM9G20 embedded display control
1 绪论 1
1．1 课题研究的背景及意义 1
1.2 嵌入式系统概论 1
1.2.1 嵌入式的定义 1
1.2.2 嵌入式系统的特点 2
1.2.3 嵌入式系统的基本组成 3
1.2.4 嵌入式系统的应用 5
1.2.5 嵌入式系统的发展方向 6
1.3 本课题研究内容和工作安排 6
1.4 本章小结 7
2 嵌入式系统总体设计 8
2.1 嵌入式系统设计流程 8
2.2 系统需求分析 9
2.3 主体结构设计 10
2.4 系统的软硬件选型 11
2.4.1 系统的硬件选型 11
2.4.2 系统的软件选型 12
2.5 本章小结 14
3 系统硬件电路设计 15
3.1 硬件平台的整体电路设计