【摘要】 文章运用单片机原理及数据采集、通讯的知识 ,将数据存储容量扩展为 4MB并由单片机控制采样和存储 ,采样间隔为 1s,存储好的数据由单片机的串行口输出。文中的单片机采用的是 89C5 1,外部扩展存储器采用HM6 2 85 12 (8片 ) ,ADC0 80 9用于数据采集。更多还原

【Abstract】 Data memory capacity is extended to 4MB,and data sampling and memory are controled with single chip microprocessor by using principle of singlechip microprocessor,knowledge of data acquisition and communication. Sampling interval is 1s,memoried data exports through serial interface of single chip microprocessor. The single chip microprocessor mentioned in this paper mainly adopts 89C51,HM628512 as external data memory,and ADC0809 for data acquisition.更多还原