单总线多点测温系统，单总线它采用单根信号线既传输时钟又传输数据，而且数据传输是双向的它具有节省I/O 口线资源结构简单成本低廉便于总线扩展和维护等诸多优点。-Single-bus multi-point temperature measurement system, a single bus, it uses a single transmission clock signal lines also transmit both data