3G视频手机双CPU间双端口RAM的设计与实现  

Design on Dual-Port RAM Between Dual-CPU of 3G Mobile Video Telephone

作　　者：江磊 朱发楠 

机构地区：[1]中国移动通信集团福建有限公司福州分公司网络部,福建福州350001 [2]导世通科技(北京)有限公司,北京100006

出　　处：《电视技术》2009年第8期19-21,共3页Video Engineering

摘　　要：介绍了开发3G移动可视电话系统过程中手机嵌入式系统双CPU结构间双端口RAM通信设计方案。设计采用Cypress公司的双端口静态RAM模块实现Intel PXA270与Qualcomm MSM6280双CPU间高速的数据传输。在低CPU负荷下支持高达7.2Mbit/s数据速率,完全能满足3G手机所要求的可视电话等高速数据业务服务。adopts the high-speed high：-speed A method used for dual-port communication of mobile embedded systems between dual-port is introduced. This design dual-port static RAM module to realize transmission between Intel PXA270 and realize Qualcomm MSM6280 dual-CPU data. Low CPU load supports data rate up to 7.2 Mbit per second, 3G mobile phones can meet the requirements of data services such as video telephone.

关 键 词：双端口静态RAM 双CPU 3G移动可视电话系统 可视电话 

分 类 号：TN929.5[电子电信—通信与信息系统]