| USB通信技术 |
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| 引用本文： | 张希英,樊光辉,李传珍.USB通信技术[J].中国传媒大学学报,2004,11(4):55-64,92. |
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| 作者姓名： | 张希英 樊光辉 李传珍 |
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| 作者单位： | 北京广播学院,信息工程学院,北京,100024;北京广播学院,信息工程学院,北京,100024;北京广播学院,信息工程学院,北京,100024 |
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| 摘 要： | 本文讲述了USB通信技术.首先叙述了采用USB总线的优点及其协议规范版本变动,再次描述了USB系统的结构、通信数据流模型;接下来详细讲述了USB的通信传输基础,两种通信方式,控制传输、中断传输、批量传输、同步传输四种传输类型以及USB设备的枚举过程.最后是关于USB设备端固件程序的设计思想,并以PDIUSBD12为例给出了固件程序设计流程图.
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| 关 键 词： | USB 事务 传输 枚举 |
| 文章编号： | 1007-8819(2004)04-0055-11 |
| 修稿时间： | 2004年6月8日 |
USB Communication Technology |
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| ZHANG Xi-ying,FAN Guang-hui,LI Chuan-zhen.USB Communication Technology[J].Journal of Communication University of China Science and TEchnology,2004,11(4):55-64,92. |
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| Authors: | ZHANG Xi-ying FAN Guang-hui LI Chuan-zhen |
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| Abstract: | This paper introduced USB communication technology. Firstly, This paper described the virtue of the USB and protocol alteration about the USB; Secondly,described the structure of the USB system and communication module of the USB; Thirdly, introduced the transferring base of the USB communication, two communication modes, control transfers, interrupt transfers, bulk transfers, synchronous transfers and so on and described also enumeration process of USB; Lastly, this paper introduced the design of the firmware about USB device and show the flow chart of the software about the USB chip-PDIUSBD12 . |
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| Keywords: | USB transactions transfers enumeration |
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