PC-keyboard control MCU generate PWM wave, and then control the motor speed using an external crystal oscillator 52 MCU 11.0592MHz, produce accurate baud rate of 119.2 thousand to achieve MCU and the PC, communications, PC sends characters 1 - 9 ,within the time, MCU to respond to the output of the IO port that corresponds to the duty cycle of the pwm wave (duty cycle 10 -90 , 10 step), Pwm waves generated by the timer T0 simulation. Hu Xue-chuan huxuec@yahoo.com.cn 2010.1.2 procedures should be improved, and deficiencies are welcome to put

pc键盘控制电机.doc

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