??? SH-Mobile3是應用處理器,用于下一代高檔移動電話。在SH-Mobile3中納入了一個此處理性能優異的32位RISC(精減指令系統電腦)CPU芯核、2D/3D圖形引擎以及全部由硬件組成的MPEG-4加速器,能夠很容易地處理各種先進的多媒體應用。
??? SH-Mobile 3的主要特點如下。
??? (1)?新的CPU芯核SH4AL-DSP的性能大約是以前各種型號的瑞薩科技產品的2.3倍。
??? 在SH-Mobile3中納入了新研制的CPU芯核SH4AL-DSP,當它工作在最高頻率216 MHz時,處理速度達到389 MIPS(每秒處理389百萬條指令)。這大約是現有的SH-Mobile系列的最高速處理速度173 MIPS(在工作頻率為133 MHz時)的2.3倍。由于SH-Mobile3的處理速度這么高,它能夠很容易地并行處理工作量很大的多個應用,并且可以使用Linux *2等通用操作系統,處理工作量高于專用操作系統。SH4AL-DSP的指令系統與現有的CPU芯核SH3-DSP向上兼容,因而可以使用現有的程序并縮短系統的開發時間。
??? (2)?支持3百萬像素照相機模組以及圖像處理功能
??? 在SH-Mobile3中有一個照相機接口,可以直接地連接到3百萬像素的照相機模組上。這樣有可能高速捕捉高分辨率照相機的大量圖像數據,并且實現各種顯示功能,例如電子縮放顯示,以及利用OSD(在屏幕上顯示)和HWC(用硬件實現的游標)等功能在屏幕上實現重疊顯示。SH-Mobile3也備有視頻輸出部件,這樣有可能把移動電話系統連接到電視機上,并且顯示用照相機拍攝的運動圖像。
??? (3)?由2D/3D圖形引擎和MPEG-4硬件加速器進行運動圖像處理
??? 它使用英國Imagination Technologies 股份有限公司(IMG)的PowerVR ? *3 MBX Lite IP作為2D/3D圖形引擎,高速度地顯示真實的高質素2D/3D圖像,因而可以實現游戲這些復雜的應用。此外,全部用硬件實現的MPEG-4加速器具備處理高質素圖像的能力,可以滿足視像郵件和視像電話的需要。
- Rene(8416)
- 高端產品(8893)
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