用DS12887制作无电源仍可走时的时钟
.................................\Display.LST
.................................\Display.OBJ
.................................\Ds12887.c
.................................\Ds12887.h
.................................\Ds12887.LST
.................................\Ds12887.OBJ
.................................\main
.................................\main.c
.................................\main.hex
.................................\main.lnp
.................................\main.LST
.................................\main.M51
.................................\main.OBJ
.................................\main.Opt
.................................\main.plg
.................................\main.Uv2
.................................\mmi.c
.................................\mmi.h
.................................\mmi.LST
.................................\mmi.OBJ
.................................\My52.c
.................................\My52.h
.................................\My52.LST
.................................\My52.OBJ