MG32F10x Standard Peripherals Firmware Library
TIM DMA example
  *************** (C) COPYRIGHT 2020 - 2023 megawin Technology ***************
  * @file    TIM/TIM_DMA/readme.txt 
  * @author  megawin Application Team
  * @version V0.1.10
  * @date    05-January-2023
  * @brief   Description of the TIM_DMA example.
  ******************************************************************************
  * THE PRESENT FIRMWARE WHICH IS FOR GUIDANCE ONLY AIMS AT PROVIDING CUSTOMERS
  * WITH CODING INFORMATION REGARDING THEIR PRODUCTS IN ORDER FOR THEM TO SAVE
  * TIME. AS A RESULT, MEGAWIN SHALL NOT BE HELD LIABLE FOR ANY DIRECT,
  * INDIRECT OR CONSEQUENTIAL DAMAGES WITH RESPECT TO ANY CLAIMS ARISING FROM
  * THE CONTENT OF SUCH FIRMWARE AND/OR THE USE MADE BY CUSTOMERS OF THE
  * CODING INFORMATION CONTAINED HEREIN IN CONNECTION WITH THEIR PRODUCTS.
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例程描述

这个例子描述了如何使用DMA和TIM1更新请求将数据从内存传输到TIM1->CCR2。
系统时钟工作在96Mhz,通过PLL配置产生。PLL时钟源是外部8Mhz晶振。APB1的分频比是1,APB2的分频比是1。
TIM1CLK = SystemCoreClock,预分频器 = 0,TIM1计数器时钟 = SystemCoreClock。
目标是配置TIM1通道2,以生成频率等于375KHz的PWM信号。

目录内容
  • TIM/TIM_DMA/TIM_DMA.uvprojx MDK5工程文件
  • TIM/TIM_DMA/TIM_DMA.uvoptx MDK5工程配置文件
  • TIM/TIM_DMA/JLinkSettings.ini Jlink配置文件
  • TIM/TIM_DMA/main.c 主程序
硬件和软件环境
  • 硬件平台搭建
    • HSE 连接外部8MHz晶振
    • 将TIM1引脚连接到示波器上,以监测波形:
      • TIM1_CH2 pin (PA.09)
如何使用?

为了使程序工作,您必须执行以下操作 :

  • 使用 MDK5 打开此例程文件夹中的 TIM_DMA.uvprojx 工程
  • 重新编译该工程并下载到目标存储器中
  • 运行此例程

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