【摘要】 以数据采集系统芯片ADuC812为核心,设计了三相电能测量的系统,介绍了此仪器的硬件和软件的设计方法,并根据实际的情况提出了一种新的启动AD转换的思想:同时采用硬件和软件混合启动AD转换。基于ADuC812技术的新型三相电能测量系统具有同步实时处理、性能稳定、成本低廉等特点。更多还原

【Abstract】 ADuC812 is a fully programmable,selfcalibrating,high accuracy analog data acquisition system.Designed a threephase electric metering system based on data acquistition system chip ADuC812.Introduce the design of hardware and software about the instrument in detail.According to the actual situation,put forward a new idea to initiate the AD conversion:AD conversion mode can be initiated in hardware and software by turns.The meter based on ADuC812 has the advantage of dealing speed real time,steady capability and low price.更多还原