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關於 stm32mp157a ，我們在網路上蒐集到這些相關的討論、資訊與評價

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在stm32mp157a這個產品中，有1篇Facebook貼文，粉絲數超過2萬的網紅COMPOTECHAsia電子與電腦 - 陸克文化，也在其Facebook貼文中提到， #嵌入式系統 #微處理器MPU #微控制器MCU #異構架構 #即時作業系統RTOS 【MPU、MCU or …?】 考慮選擇微處理器 (MPU) 或微控制器 (MCU) 時，應用類型通常是關鍵因素；另一方面，最終選擇則取決於如作業系統和記憶體之類的因素。不過，有時可以將微處理器和微控制...

stm32mp157a 在 COMPOTECHAsia電子與電腦 - 陸克文化 Facebook 的精選貼文

COMPOTECHAsia電子與電腦 - 陸克文化 By COMPOTECHAsia電子與電腦 - 陸克文化

2021-03-03 14:30:01 有 85 人按讚
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#嵌入式系統 #微處理器MPU #微控制器MCU #異構架構 #即時作業系統RTOS

【MPU、MCU or …?】

考慮選擇微處理器 (MPU) 或微控制器 (MCU) 時，應用類型通常是關鍵因素；另一方面，最終選擇則取決於如作業系統和記憶體之類的因素。不過，有時可以將微處理器和微控制器核心結合使用，這稱作「異構架構」。

作業系統對於一些基於 Linux 或 Android 作業系統的電腦密集型工業和消費性應用，需要大量高速連接或功能範圍廣泛的使用者介面，MPU 就是最佳選擇。這是因為大多數微控制器都沒有作業系統，而只有裸機程式，藉助於順序處理迴圈和狀態機，幾乎無需任何人為干預即可執行程式。

然而，許多高性能 MCU 可支援諸如 FreeRTOS 之類的即時作業系統 (RTOS)，可為需求硬即時行為 (hard real-time behavior) 的應用程式提供確定性反應和即時反應。作為具有許多免費軟體、廣泛硬體支援和不斷發展的生態系統的通用作業系統，嵌入式 Linux 取得巨大成功。它的另一個優點就是沒有使用者或授權許可費用。

MPU 和 MCU 的界線越來越模糊，究竟哪個才是更好的選擇？實在很難說。但經驗法則是，用戶應該不斷衡量各種利弊條件，以下是概略性原則：
👉 MCU 非常適合以能耗為主要考慮點且價格較低的行動應用，以及具有即時需求的應用；
👉 MPU 非常適合與作業系統一起執行並需要高速介面的密集運算應用；而遊戲和其他繪圖密集型應用，則是使用特殊的微處理器來進行網路連線處理。

延伸閱讀：
《選擇微處理器還是微控制器？》
http://www.compotechasia.com/a/tech_application/2021/0208/47111.html

#儒卓力Rutronik #意法半導體ST #STM32H7 #STM32MP157A-EV1

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COMPOTECHAsia電子與電腦 - 陸克文化

About author
2002年，憑藉獨特敏銳度察覺到電子業界需求，《COMPOTECHAsia電子與電腦》於中國大陸取得《COMPOTECHChina》月刊發行權，為初到海外發展及當地讀者出具最具前瞻性且中肯的觀察，具有相當影響力，也成為一流國際大廠競相展示研發心血的首選。 2006年，有鑑於網路環境日趨成熟，《COMPOTECHAsia電子與電腦》再度領先同業，首創線上視頻平台CTOV (COMPOTECH Online Video)。自此，成為整合紙本、網站、電子報及線上視頻的全方位媒體。 2016年，為貫徹市場應用及開發技術的連結並擴大群眾基礎，陸續展開 Facebook、Twitter、LinkedIn 等社群平台經營。 「就市論勢、就勢論市」是我們的信念。我們將於每週一、三、五下午在 FB 分享生活中隨處可見的科普知識，以平易近人的方式，用不一樣的角度觀察市場趨勢和技術走向，並不定時穿插轉載網路精彩佳作或趣聞。記得設為「搶先看」哦！ “COMPOTECHAsia/ China” issue on 8th monthly. It is the dependent media which focuses on electronic industry situation, end user market, and technology trend. The monthly magazine has become the main channel to get professional information for engineers, purchaser, R&D employees and decision-making management. We perceived the demand of electronic industry and strive to get the distribution rights of “China Edition” in Mainland China in 2002. It gives a lot of prospective and proper observation for the overseas workers and local readers. Gradually, COMPOTECH is getting to be the powerful. Nowadays, COMPOTECH is the first-choice platform for the first-class firms to display their R&D results. Furthermore, in 2006, we were ahead of our competitors to build the CTOV platform (COMPOTECH Online Video) due to the mature internet environment. Since then, COMPOTECH has become the integrated media. For having a thorough knowledge of market applications and technology migration, as well as expanding the base of the masses, we begin to manage the Facebook, Twitter and LinkedIn etc. in 2016.
智能系統設計／應用工程師、產品／專案開發主管、元器件／零組件／準系統採購者的交流園地，於每週一、三、五下午分享【科技應用取向】的趨勢議題。
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