串口通信
........\STARTUP.A51
........\STARTUP.LST
........\STARTUP.OBJ
........\test
........\test.LST
........\test.M51
........\test.OBJ
........\test.c
........\test.hex
........\test.lnp
........\test.plg
........\test.uvopt
........\test.uvproj
........\test_uvopt.bak
........\test_uvproj.bak