基于嵌入式系统的多媒体控制前台设计  

A Design for The Short Distance Wireless Handheld Devices Based on INTEL PXA250

作　　者：曹莉[1] 彭为国[1] 

机构地区：[1]武汉大学电气工程学院,湖北武汉430072

出　　处：《电子质量》2004年第1期J004-J006,共3页Electronics Quality

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。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.

关 键 词：嵌入式系统 介入用户端架构 多媒体控制前台系统 PXA250 无线模块 无线芯片 工作原理 接口电路 软件设计 

分 类 号：TP368.1[自动化与计算机技术—计算机系统结构]