摘要:作为智能型的嵌入式“元件”MCU单片机在日常应用中(如温度、压力、流量、物位、成分、速度等监控中)往往会牵涉到A/D模数转换的问题。由于具体环境不同,A/D转换的方式及精度要求也各不相同。有的选用专用的A/D转换芯片(如TLC0834CD、TLV5617A、ADS7818P等),转换结果由MCU读取;有的则直接运用内含A/D转换功能的单片机(如SN8P2705A、
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