嵌入式系统被定义为：以应用为中心、以计算机技术为基础、软件硬件可裁剪、适应应用系统对功能、可靠性、成本、体积、功耗严格要求的专用计算机系统。(The embedded system is defined as: application centric, computer technology, software and hardware can be tailored to meet the application system to function, reliability, cost, v