基于单片机的数字时钟的设计

Design of electronic clock based on single chipAbstractThe digital clock hardware part of this design mainly includes STC89C52single-chip microcomputer,DS1302 clock chip,LCD1602 LCD screen,DS18B20temperature sensor and other components.STC89C52 MCU has the characteristics oflow power consumption and high performance,DS1302 clock chip has thecharacteristics of high performance,low power consumption,small error,long servicelife,it can not only for years,months,days,hours,minutes,seconds to record,at thesame time also has a leap year compensation function.The LCD1602 LCD screen canbe year,month,day,hours,minutes,second and temperature informationdisplay.DS18B20 temperature sensor has the function of real-time temperaturedetection.The electronic clock finally has time display,alarm clock reminder,temperature display,stopwatch timing functions.Keywords:Single chip microcomputer;The LCD panel;Electronic clock