程序
....\pwm
....\pwm.c
....\pwm.hex
....\pwm.lnp
....\pwm.LST
....\pwm.M51
....\pwm.OBJ
....\pwm.Opt
....\pwm.plg
....\pwm.Uv2
....\pwm_Uv2.Bak
....\STARTUP.A51
....\STARTUP.LST
....\STARTUP.OBJ