AT89S51\mainfunction.c .......\STARTUP.A51 .......\STARTUP.LST .......\STARTUP.OBJ .......\单片机 .......\单片机.lnp .......\单片机.M51 .......\单片机.Opt .......\单片机.plg .......\单片机.Uv2 .......\单片机_Opt.Bak .......\单片机_Uv2.Bak AT89S51