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MG32F10x Standard Peripherals Firmware Library
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*************** (C) COPYRIGHT 2020 - 2023 megawin Technology *************** * @file TIM/TIM_ComplementarySignals/readme.txt * @author megawin Application Team * @version V0.1.10 * @date 05-January-2023 * @brief Description of the TIM_ComplementarySignals 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. ******************************************************************************
这个例子演示了如何配置TIM1外围设备来生成三个互补的TIM1信号,插入一个定义的死区时间值,使用中断功能和锁定所需参数。
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固定在系统时钟上,TIM1预定分频0,因此使用的TIM1计数器时钟是SystemCoreClock。
目标是在1.46 KHz下生成PWM信号:
-时间间隔 =(SystemCoreClock / 65536)
三个占空比的计算如下:
Channel1占空比设置为50,因此Channel1N设置为50。
Channel2占空比设置为50,因此Channel2N设置为50。
Channel3占空比设置为50,因此Channel3N设置为50。
在不同的互补信号之间插入一个等于 11 / SystemCoreClock 的死区时间,并选择锁级别1。Break极性设为高。
为了使程序工作,您必须执行以下操作 :
运行此例程