| 基于嵌入式系统的多媒体控制前台设计 |
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| 引用本文： | 曹莉,彭为国. 基于嵌入式系统的多媒体控制前台设计[J]. 电子质量, 2004, 0(1): J004-J006 |
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| 作者姓名： | 曹莉 彭为国 |
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| 作者单位： | 武汉大学电气工程学院,湖北,武汉,430072;武汉大学电气工程学院,湖北,武汉,430072 |
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| 摘 要： | 本文介绍了基于Intel个人用户端架构(PCA)下的多媒体控制前台系统的设计.具体阐述了以Intel PXA250嵌入式CPU为核心,辅以nRF401射频芯片的一种短距离无线手持设备设计.并从无线设备的设计思路入手,详细论述了无线芯片的工作原理及具体外围电路.最后给出了PXA250与无线模块的接口电路和软件设计.
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| 关 键 词： | 个人用户端架构 嵌入式系统 PXA250 无线模块 通用异步串行接口 |
A Design for The Short Distance Wireless Handheld Devices Based on INTEL PXA250 |
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| Cao Li Peng Weiguo Institute of Electric Engineering,Wuhan University,Wuhan Hubei ,China. A Design for The Short Distance Wireless Handheld Devices Based on INTEL PXA250[J]. Electronics Quality, 2004, 0(1): J004-J006 |
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| Authors: | Cao Li Peng Weiguo Institute of Electric Engineering Wuhan University Wuhan Hubei China |
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| Affiliation: | Cao Li Peng Weiguo Institute of Electric Engineering,Wuhan University,Wuhan Hubei 430072,China |
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| Abstract: | This article introduces a design for a multimedia controller based on Intel Personal Internet Client Architecture. This controller is a kind of short distance wireless handheld devices including a Intel PXA250 CPU and a nRF401 RF IC. In terms of the ways to contrive this design, the article describes in details the method of the wireless chip and specific peripheral circuit. Finally, it presents the interface between PXA250 and the wireless module as well as the software design. |
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| Keywords: | PXA250 |
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