基于STM32定时器产生PWM的研究

基于 STM32 定时器产生 PWM 的讨论作者姓名:111 专业班级：222 指导老师：222摘要随着科技水平的提高，ARM 的应用越来越广泛。With the develop of technology， ARM is used in various situations。旨在对 ARM 的深化学习，论文对 STM32 定时器产生 PWM（脉冲宽度调制）输出进行了讨论。On the intention of studyon ARM，timer of STM32 produce pulses PWM （width modulation) is studied in this paper。PWM 就是某个频率占空比的方波，其应用领域包括测量，通信，功率控制与变换，电动机控制、伺服控制、甚至某些音频放大器，因此讨论 PWM 技术具有十分重要的现实意义。PWMis the square wave which has a sure duty-cycle and frequency。 Its application fieldsincludemeasurement，communication，power control and transform，motor control，servocontrol， even someaudioamplifier.Therefore it is important to researchPWMtechnology。本设计采纳 STM32 定时器产生 PWM。It is easy to use the timer of STM32 to produce PWM output。 STM32 的 PWM 由定时器产生,PWM 的周期即定时器定时的时间,通过计算方波的频率，占空比，配置定时器和 IO 口，最后用示波器显示相应通道占空比的方波即可.PWMis producedby the timer of STM32。The cycle of PWMis the timer’s regular time。By calculating the frequency of square wave， duty-cycle， configuring the timer and IO, thenuseoscilloscope displayed the PWM。经对 STM32 开发板的讨论学习，通过对 STM32 定时器等的配置，用示波器显示，完成了 PWM 输出.Basedonthe STM32，by configuring the timer of STM32,PWMis displayed by oscilloscope。关键词STM32，定时器，PWMStudy for the outputof PWM produce by timer of STM32Based onMDKAbstract：With the development of technology, ARM is used in various situations.On the intention of study on ARM，timer of STM32 produce pulses PWM (width modulation) is studied in this paper。 PWMis the square wave which has a sure duty—cycle and frequency。 Its application fieldsincludemeasurement，communic...