开发平台ICCAVR7.14，本工程利用AVR单片机ATMEGA48pa T/C0产生快速PWM波，可以修改参数调整占空比。-Development platform ICCAVR7.14, this project generated using the AVR microcontroller ATMEGA48pa T/C0 fast PWM wave, you can modify the parameters to adjust the duty cycle.