本文介绍了一种基于ARM 嵌入式处理器的智能仪器,并给出了该仪器的软、硬件设计方案。详细论述了仪器的硬件组成和设计,简要说明了移植μC/OS-Ⅱ嵌入式操作系统的关键和对操作系统的扩展设计,最后以信号发生功能部分为例给出了信号发生器任务的设计方法。 关键词: 嵌入式;ARM;μC/OS-Ⅱ;移植;信号发生 Abstract: A kind of intelligent instrument based on the ARM embedded Processor is introduced in the paper, and the software and hardware designs are given. The hardware composition and design are expounded,and the cruxes of porting and the extended design of μC/OS-Ⅱembedded operating system are simply explained. Finally, the methods of design of signal generating task as the case of signal generating function is given. Keywords: Embedded; ARM;μC/OS-Ⅱ; Porting; Signal generating