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Documents 数字多媒体中央控制系统设计
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  • Author Author: sophie0love
  • Date Created: 23 Nov 2010 2:54 PM Date Created
  • Last Updated Last Updated: 9 Nov 2021 4:52 PM
  • Views 399 views
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数字多媒体中央控制系统设计

现代化教学系统的应用愈来愈受到人们的重视,传统的方式已经不适应现代化的需要。作为一种新型的教育形式和现代化教学手段,多媒体中央控制技术给教育行业带来了新的机遇。本文正是针对这一现状,研究设计了一种基于单片机的多媒体中央控制系统。 (1)深入研究了多媒体中央控制系统技术,分析并指出了本课题研究的关键技术,阐述了多媒体中央控制系统的发展趋势和研究意义。 (2)根据多媒体中央控制系统信号切换模块的技术指标和功能要求,制定了多媒体中央控制系统的总体方案,设计了基于单片机的系统软硬件方案。 (3)根据硬件方案,设计了以单片机为核心的硬件系统,并详细论述了系统各模块(视频信号切换、音频信号切换、VGA信号切换、环境控制、红外遥控码仿真、串行通信等六个模块)电路的组成原理和设计实现方法。 (4)设计了系统软件,阐述了软件的总体设计思想,给出了系统初始化、视频信号切换、音频信号切换、VGA信号切换、环境控制、红外遥控码仿真、串行通信等模块的软件设计与实现方法。 (5)采用51系列兼容单片机C语言软件开发系统keil c51对软件进行调试和仿真,对出现的问题提出解决的方案。 本设计包括视频切换模块、音频切换模块、VGA切换模块、环境控制模块、红外遥控码仿真模块、串行通信模块和主控模块。在分析各模块的主要技术性能及比较多种控制器的基础上,确定了模块的总体结构,主控模块采用单片机作为中央控制单元的硬软件设计方案。本论文设计的多媒体中央控制系统,实现了每一个模块的功能,达到了预期目标。

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