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本文以AT89C52单片机为核心,采用A/D转换芯片ADC0809,设计了两路直流电压信号实时采集系统,对信号进行采集、转换、处理、存储,通过单片机串行口送给PC机,在STC_ISP_V394开发环境的串行调试窗口下实时显示。文中详细论述了系统的硬件设计和程序流程图的结构,此采集和处理系统具有较强的移植性和通用性。
In this paper, AT89C52 microcontroller as the core, the use of A / D converter chip ADC0809, designed two DC voltage signal acquisition system, the signal acquisition, conversion, processing, storage, Environment serial debugging window real-time display. This paper discusses in detail the system hardware design and program flow chart of the structure, the acquisition and processing system has strong portability and versatility.