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串口\serial
....\serial.c
....\serial.hex
....\serial.lnp
....\serial.LST
....\serial.M51
....\serial.OBJ
....\serial.Opt
....\serial.plg
....\serial.Uv2
....\serial_Opt.Bak
....\serial_Uv2.Bak
....\STARTUP.A51
....\STARTUP.LST
....\STARTUP.OBJ
串口