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针对目前温度采集系统需求,提出了采用单总线数字式温度传感器DS18B20和MSP430单片机组成的新型温度采集系统设计。介绍DS18B20及MSP430的结构和工作原理,给出了由MSP430单片机和DS18B20构成的单总线温度采集系统的硬件设计及软件流程图。该系统具有采集准确、功耗低、便于扩展等优点。
According to the current temperature acquisition system requirements, a new temperature acquisition system design using single-bus digital temperature sensor DS18B20 and MSP430 microcontroller is proposed. The structure and working principle of DS18B20 and MSP430 are introduced. The hardware design and software flow chart of single bus temperature acquisition system composed of MSP430 MCU and DS18B20 are given. The system has the advantages of accurate acquisition, low power consumption and easy expansion.