例19-时钟程序DS1302 ...................\DS1302.c ...................\DS1302.OBJ ...................\lhj ...................\lhj.hex ...................\lhj.lnp ...................\lhj.Opt ...................\lhj.plg ...................\lhj.Uv2 ...................\lhj_Opt.Bak ...................\lhj_Uv2.Bak