【摘要】 在对新型单线可编程数字温度传感器DS18B2 0的测温原理及其激光ROM中序列号和存储器中数据的CRC编码进行详细分析的基础上 ,通过实例给出了用查表法进行检验与纠错的算法。从而加大了数据的传输距离 ,提高了采集数据的可信度更多还原

【Abstract】 Based on the analysis on the principle of temperature measurement,the CRC’S code of serial number among the laser ROM and the data in the memory in the 1 wire digital thermometer Ds181320,an algorithm that can check and correct the mistakes by table checking method is provided.The algorithm increases the transmission distance and improves the transmission reliability.更多还原