例18-时钟程序DS1302\DS1302.OBJ ...................\DS1302.c ...................\lhj ...................\lhj_Uv2.Bak ...................\lhj.hex ...................\lhj.lnp ...................\lhj.plg ...................\lhj.Uv2 ...................\lhj_Opt.Bak ...................\lhj.Opt 例18-时钟程序DS1302