【作者】 王芳；

【Author】 Wang Fang(Changchun Institute of Optics,Fine Mechanics and Physics,Chinese Academy of Sciences Changchun,Jilin 130033,China)

【机构】 中国科学院长春光学精密机械与物理研究所；

【摘要】 基于ARM9强大的内部功能组合,提出以ARM9芯片S3C2440为主控制器,配以少量的外围接口电路,快速开发出经济、实用、可靠的数据采集系统。文中给出了设计方案,并通过此方案,介绍了S3C2440处理器的A/D采集、I/O口读写、URAT通讯功能模块的应用及程序设计。该数据采集系统经实际应用性能可靠稳定。更多还原

【Abstract】 Based on ARM9 powerful internal function,the design of economic practical and reliable data acquisition system is proposed using the ARM9 processor S3C2440 and a small amount of peripheral interface circuit,which can be developed rapid.The S3C2440 is introduced about its A /D converter acquisition,I/O port read and write,UART serial communication module application,and programming.The practical application of data acquisition system is reliable and stable.更多还原