The method and experience for analyzing MCU embedded system domain are pointed out in conclusion, through the researches of the concept, the method, the process and the product of domain analysis.

通过对领域分析的相关概念、方法、过程以及产品的研究，从而得出在MCU嵌入式系统领域进行领域分析的相关方法以及经验。

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Embedded system is the hardware and software system, which has been embedded in the application of product and engineering, and is cored with MCU.

嵌入式系统是指嵌入到各种产品或工程应用中的，以微处理器或微控制器为核心的软硬件系统。

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The kernel of embedded system is embedded MCU, which requires fast processing speed, big memory, high performance of I/O port, low power waste, and fast respond.

嵌入式系统的核心是嵌入式处理器，要求处理速度块，存储容量大，I/O口功能强，功率损耗低，及时响应快等。

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