STC12C5A60S2-AD\WK ...............\WK.c ...............\WK.hex ...............\WK.lnp ...............\WK.LST ...............\WK.M51 ...............\WK.OBJ ...............\WK.opt.bak ...............\WK.plg ...............\WK.Uv2.bak ...............\WK.uvopt ...............\WK.uvproj ...............\WK_Opt.Bak ...............\WK_Uv2.Bak ...............\WK_uvopt.bak STC12C5A60S2-AD