基于 USB2.0 的面阵图像数据传输电子书 结各接口的性能。设、计基于USB2.0接口的面阵图像数据传输方案,并对整体系统进行论证。、其次,对传输系统硬件部分进行筛选,设计系统工作电路,并制作印、刷电路板。在这部分重点讨论了USB2.0主控芯片的选型、工作模块的选型、和设计,并在每个部分给出设计过程中应该注意的问题以及在系统硬件制、作过程中所得的经验和教训,提出对系统硬件部分改良的方案。、再次,对系统传输软件部分进行论证,选择适合面阵图像数据传输方、式。在这部分中重点讨论固件的设计、驱动的设计以及上位机中图像数据、的存储及显示。总结设计中的经验和教训。、最后,通过对系统的调试,实现面阵CCD/CMOS图像数据的高速传输,、并拓展了面阵图像数据技术在嵌入式下的应用。 关键词 USB2.0;数据传输;面阵图像数据;面阵CCD/CMOS 目录 摘要···················································································································· I Abstract············································································································· II 第1 章 绪论·······································································································1 1.1 课题背景·································································································1 1.2 国内外研究现状·····················································································1 1.3 课题研究的意义和任务·········································································3 1.4 课题研究内容及论文结构安排·····························································4 第2 章 USB2.0 协议概述·················································································5 2.1 USB 系统结构·························································································5 2.1.1 USB 主机定义···················································································6 2.1.2 USB 设备定义···················································································7 2.2 USB 总线的物理连接及电气特性··························································7 2.2.1 USB 连接器与电缆···········································································7 2.2.2 USB 的电气特性···············································································8 2.3 USB 数据传输格式·················································································9 2.4 USB 通信流···························································································10 2.4.1 设备端点·························································································10 2.4.2 管道·································································································11 |
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