定时器0的快速PWM实验
....................\cfg.h
....................\cfg._h
....................\main.c
....................\main.dp2
....................\main.lis
....................\main.o
....................\main.s
....................\main._c
....................\pwm2_led.cof
....................\pwm2_led.dbg
....................\pwm2_led.hex
....................\pwm2_led.lk
....................\pwm2_led.lst
....................\pwm2_led.mak
....................\pwm2_led.mp
....................\pwm2_led.prj
....................\PWM2_LED.SRC
....................\说明.txt
....................\说明._tx