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title="i.MX31">i.MX31" title="i.MX31">i.MX31" title="i.MX31">i.MX31" title="i.MX31">i.MX31" title="i.MX31">i.MX31" title="i.MX31">i.MX31" title="i.MX31">i.MX31" title="i.MX31">i.MX31" title="i.MX31">i.MX31" title="i.MX31">i.MX31" title="i.MX31">i.MX31" title="i.MX31">i.MX31應(yīng)用處理器" title="應(yīng)用處理器">應(yīng)用處理器。這兩款處理器獲得了汽車電子委員會(huì)(AEC)Q-100認(rèn)證，為汽車原始設(shè)備制造商（OEM）提供一種強(qiáng)大的解決方案，以實(shí)現(xiàn)駕駛員所需的下列特性：免提電話操作、語(yǔ)音識(shí)別以及語(yǔ)音和媒體的高速數(shù)據(jù)傳輸、GPS 導(dǎo)航和AV娛樂(lè)等特性。這些處理器促進(jìn)了消費(fèi)電子器件，如手機(jī)、便攜式媒體播放器與汽車環(huán)境的無(wú)縫連接。
??? 2007年早些時(shí)候，福特和微軟宣布推出SYNC車載通信和娛樂(lè)系統(tǒng)，并應(yīng)用于帶有SYNC系統(tǒng)的福特2008款車內(nèi)。這是首款基于i.MX31處理器的汽車應(yīng)用。福特SYNC是基于微軟汽車平臺(tái)的一個(gè)完全集成的、可更新的與可定制的媒體系統(tǒng)。該系統(tǒng)允許汽車乘坐者操作支持藍(lán)牙的移動(dòng)電話和幾乎所有的便攜式媒體播放器，這些設(shè)備在方向盤上帶有簡(jiǎn)單的語(yǔ)音命令或手動(dòng)控制，SYNC可以讓用戶在車輛中控制并個(gè)性化他們的電子設(shè)備。飛思卡爾的i.MX31處理器是SYNC不可或缺的一部分，它運(yùn)行微軟操作系統(tǒng)和應(yīng)用程序、處理免提操作的音頻信號(hào)，并實(shí)現(xiàn)語(yǔ)音識(shí)別。此外，i.MX31芯片利用USB技術(shù)實(shí)現(xiàn)SYNC系統(tǒng)與手機(jī)或便攜式媒體設(shè)備之間的高速數(shù)據(jù)傳輸。
杰出的i.MX31處理器
??? i.MX31處理器基于ARM11TM平臺(tái)，在運(yùn)行高性能的車載通信和信息娛樂(lè)系統(tǒng)的同時(shí)，提供400MHz處理速度和高效的存儲(chǔ)系統(tǒng)，如L-2高速緩存。由于符合AEC標(biāo)準(zhǔn)的嚴(yán)格規(guī)范，汽車級(jí)i.MX31處理器可以向飛思卡爾客戶確保在苛求的汽車環(huán)境中提供統(tǒng)一標(biāo)準(zhǔn)和可靠性。
??? i.MX31處理器配備專用的多媒體加速器，使ARM11內(nèi)核的處理能力用于面向消費(fèi)者的軟件、導(dǎo)航和其他任務(wù)中。一個(gè)例子就是飛思卡爾專用的圖像處理單元可執(zhí)行后視鏡與取景器任務(wù)，無(wú)需中央處理器干涉。i.MX31處理器以非常低的功率運(yùn)行，最大程度地降低儀表板中的熱量聚積。如圖1所示。
?
??? iSuppli汽車電子公司首席分析師Richard Robinson表示：“隨著飛思卡爾汽車級(jí)i.MX31應(yīng)用處理器的推出，它為當(dāng)今汽車駕駛員帶來(lái)了新水平的通信和娛樂(lè)功能。憑借其卓越的技術(shù)專業(yè)知識(shí)和創(chuàng)新，飛思卡爾半導(dǎo)體多年來(lái)一直是汽車行業(yè)的未來(lái)解決方案提供商。非常高興看到汽車廠商在動(dòng)態(tài)的汽車信息娛樂(lè)領(lǐng)域不斷發(fā)展壯大。”
??? 飛思卡爾i.MX31應(yīng)用處理器為客戶利用不同的軟件提供強(qiáng)大的中央處理單元(CPU)。由于其高效的存儲(chǔ)架構(gòu)和向量浮點(diǎn)單元，它還可提供卓越的語(yǔ)音識(shí)別性能。
??? i.MX31汽車級(jí)處理器支持多個(gè)操作系統(tǒng)和應(yīng)用框架，支持市場(chǎng)和汽車OEM的不同要求。支持的操作系統(tǒng)包括Microsoft? Auto、Linux? OS、QNX? Neutrino?以及其他領(lǐng)先的RTOS。
??? QNX軟件系統(tǒng)公司營(yíng)銷副總裁Dave Curley表示：“我們高度重視與飛思卡爾的關(guān)系，而且非常高興能與他們一起來(lái)增強(qiáng)汽車市場(chǎng)的滲透。隨著車載通信和娛樂(lè)系統(tǒng)的演進(jìn)，飛思卡爾技術(shù)與QNX軟件的整合能使消費(fèi)者最大程度提高其多媒體設(shè)備的功能，實(shí)現(xiàn)高效、令人愉快的駕駛體驗(yàn)。”
針對(duì)汽車應(yīng)用的i.MX31增強(qiáng)功能
??? 作為全球領(lǐng)先的半導(dǎo)體公司，飛思卡爾半導(dǎo)體不斷推出i.MX系列應(yīng)用處理器。基于ARM核心技術(shù)的i.MX系列產(chǎn)品，擁有超過(guò)10年的技術(shù)經(jīng)驗(yàn)，并被廣泛地應(yīng)用于智能電話、無(wú)線PDA、移動(dòng)娛樂(lè)和多種其他移動(dòng)無(wú)線產(chǎn)品。其設(shè)計(jì)宗旨是實(shí)現(xiàn)低功耗、高性能，大幅度縮短設(shè)計(jì)時(shí)間。融合了先進(jìn)的低功耗技術(shù)，并且針對(duì)汽車行業(yè)進(jìn)行了增強(qiáng)的i.MX31處理器，能夠符合汽車OEM的嚴(yán)格質(zhì)量和可靠性標(biāo)準(zhǔn)。例如，汽車級(jí)i.MX31設(shè)備具有速度高達(dá)400 MHz的CPU，并且能夠在-40°C～+85°C的溫度范圍中運(yùn)行。處理器封裝為473MAPBGA、0.8mm間距，符合RoHS標(biāo)準(zhǔn)。關(guān)于i.MX系列和Smart SpeedTM技術(shù)
??? 飛思卡爾的i.MX系列應(yīng)用處理器主要用于智能電話、便攜式媒體播放器、便攜式導(dǎo)航設(shè)備、視頻監(jiān)控、銷售點(diǎn)終端系統(tǒng)、條形碼掃描器及許多其他通用嵌入式應(yīng)用。i.MX系列基于ARM? 核心技術(shù)，采用Smart Speed技術(shù)設(shè)計(jì)制造，以最低的功耗提供高功率性能。廣泛的集成有助于大大減少設(shè)計(jì)時(shí)間。飛思卡爾為設(shè)計(jì)工程師提供各種i.MX處理器選擇，如：面向價(jià)格敏感應(yīng)用的i.MXS、面向中端設(shè)備的i.MXL和i.MX21S以及面向高性能場(chǎng)合的i.MX21、i.MX27 和i.MX31處理器。i.MX系列支持多種平臺(tái)，包括基于Microsoft Windows、Linux操作系統(tǒng)以及大量領(lǐng)先的實(shí)時(shí)操作系統(tǒng)的平臺(tái)。i.MX處理器封裝符合RoHS標(biāo)準(zhǔn)。
??? i.MX31處理器系列利用飛思卡爾的Smart Speed技術(shù)架構(gòu)，使設(shè)計(jì)者可以在較少的eCPI（有效單位指令循環(huán)）及功耗下實(shí)現(xiàn)平行處理。它通過(guò)6×5 Smart Speed的交叉開(kāi)關(guān)，實(shí)現(xiàn)系統(tǒng)并行處理，幾乎消除了停滯狀態(tài)，使處理器的性能與時(shí)鐘速度高達(dá)3GHz的處理器相同，但又不會(huì)因高運(yùn)行頻率而導(dǎo)致高功耗。
??? i.MX31汽車級(jí)處理器目前可以批量銷售，您可以通過(guò)經(jīng)銷商或者直接從飛思卡爾訂購(gòu)。支持的操作系統(tǒng)包括Microsoft? Windows? CE、Linux? OS、QNX? Neutrino? 以及其他著名的RTOS。i.MX31LC版本每萬(wàn)件的建議零售價(jià)為21.80美元，帶有片上3D圖形加速器的i.MX31C處理器版本每萬(wàn)件的建議零售價(jià)為24.86美元。如需了解飛思卡爾i.MX應(yīng)用處理器系列的更多信息，請(qǐng)?jiān)L問(wèn)： www.freescale.com/imx.