【摘要】 根据汽车电子产品的工作环境和生产成本等特殊要求,对选用PIC16C54C单片机来实现低成本、高可靠性、高精度的电子钟进行了优化设计。系统地分析电子钟系统中的误差,推导出走时误差的定量表达式,给出软件修正的方法,从而实现误差控制。更多还原

【Abstract】 To meet the special requirements of working conditions,the design of an electronic clock based on PIC16C54C MCU is optimized to realize its low cost,high reliability and precision.The error of the clock is analyzed systematically and a quantitative expression is deduced.The compensation method of software is presented to control the errors.更多还原