ADI Blackfin处理器集成Redpine低功率802.11n芯片
2009-11-06
作者:孙争
据国外媒体报道,Redpine日前宣布,Redpine公司的802.11n Lite-Fi(tm) SoC产品成功地同ADI的Blackfin芯片无缝连接,组成了完整的视频流媒体解决方案。
动讯网了解到,此次实现无缝连接的解决方案包括Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" 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title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" 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title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" 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title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin" title="Blackfin">Blackfin ADSP-BF561和Redpine 802.11n模块RS9110-N-11-04。其中,Redpine RS9110 802.11n芯片组通过一个内存映射接口与Blackfin处理器实现连接。这样,uClinux操作系统便可以充分显示出802.11n的高吞吐量,并遵守802.11n的单流模式,包括WPA2安全模式。同时,该芯片组还可以集成到多媒体手持设备和多媒体控制盒箱中。
RS9110具有突破性的功耗性能,是专门针对提供丰富的Wi-Fi认证功能的移动和手持式消费设备设计的,可以实现节能型话音/视频业务(WMM-Power节省),并方便建立安全性连接(Wi-Fi保护设置,WPS)。RS9110具有包括时钟和电源管理在内的许多特性,有助于将WLAN集成进VoIP平台。该芯片集成了专有的超低功率多线程处理器,可以提供高度的片内两层处理能力,并能高效地卸载一些关键的三层功能。
而ADI公司规划了基于Blackfin微结构芯片的扩大发展进程,它将数字信号处理器(DSP)和多媒体处理器的鲁棒性音频和视频处理能力与RISC指令集微控制器(MCU)的可编程性结合起来。ADI公司从2004年第一季度开始提供两种新的Blackfin处理器,一种是双内核ADSP-BF561,它支持标准清晰度电视和高清晰度电视,另一种是750 MHz ADSP-BF533,它适合各种应用,例如,数码相机、便携式多媒体播放机、网络媒体适配器、数据和多媒体网关、互联网协议(IP)机顶盒、2.5G和3G无线手机以及汽车信息娱乐与安全系统。
其中,ADSP-BF561处理器是Blackfin系列中的高性能产品.针对于多媒体和通信应用。该器件的核心由两片独立的Blackfin处理器组成。这些Blackfin处理器集艺术级的dual-MAC处理引擎,简洁的RISC式微处理器指令集,以及单指令多数据SIMD(Single Instruction Muhiple Data),多媒体与一体,形成一套独特的指令集结构。ADSP-BF561集成有一套通用的数字图像处理外围设备,从而创建完整的数字图像处理和多媒体应用的系统级片上解决方案。
ADI公司产品线总监Mike Haidar表示:“Redpine的802.11n芯片与Blackfin处理器产品相结合,为用户带来了高性能应用。我们的处理器提供了众多的视频压缩方法,包括H.264和MPEG。另外,还包括集成的音频编解码器、视频流和IP协议,内置DRAM内存卡、10/100以太网、USB和SD存储接口。当然,最重要的还是集成了Redpine的RS9110超低功率802.11n SoC。”
Redpine的Lite-Fi产品历经六年开发时程,在架构、讯号处理、演算法和低功耗等相关领域中获得了100多项专利。随着WLAN频谱越来越拥挤,基于802.11n的Wi-Fi将有望增加带宽容量,同时保持和增强家庭、办公室和公共热点区域的用户体验。Redpine针对这些环境中的无线VoIP解决方案对系统成本作了进一步优化。
Redpine首席执行官Venkat Mattela说道:“我们对于超低功率和高性能的无线技术研发时间已经超过了8年,通过与Lite-Fi 802.11n SoC产品的连接,Blackfin处理器已经可以真正实现无缝的802.11n Wi-Fi无线传输,满足大量应用服务,Blackfin处理器已经可以真正实现无缝的802.11n Wi-Fi无线传输,满足大量应用服务。”