File list (Check if you may need any files):
DS12C887-based_real-time_calendar clock_display_system_design
.............................................................\PROC
.............................................................\....\CALENDARCLK.C
.............................................................\....\CALENDARCLK.H
.............................................................\....\CALENDARCLK.LST
.............................................................\....\CALENDARCLK.OBJ
.............................................................\....\CALENDARCLKPRO
.............................................................\....\CALENDARCLKPRO.LNP
.............................................................\....\CALENDARCLKPRO.M51
.............................................................\....\CALENDARCLKPRO.OPT
.............................................................\....\CALENDARCLKPRO.PLG
.............................................................\....\CALENDARCLKPRO.UV2
.............................................................\....\CALENDARCLKPRO_OPT.BAK
.............................................................\....\CALENDARCLKPRO_UV2.BAK
.............................................................\电路原理图
.............................................................\..........\CALENDARCLK.SCH