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                                样例使用说明
                             Sample Description
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功能描述：
该样例演示了EPWM在调试模式下正常输出功能，进入调试模式，配置EPWM在调试时正常输出，将程
序暂停运行，可观察到EPWM正常输出，配置PWM在调试时不输出，将程序暂停运行，可观察到EPWM
不输出。

Function descriptions:
This example demonstrates the back electromotive force detection function of ACMP, 
initializing ACMP channels 0, 1, and 2, P-terminal pin, N-terminal internal 
electrical connection After enabling the anti electromotive force function, the 
resistance value between channels can be measured.
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测试环境：
测试用板：DPM32M030_REV_A
MDK版本： 5.28

Test environment:
Test board: DPM32M030_REV_A
MDK Version: 5.28
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使用步骤：
1. 编译下载程序到MCU，并运行。
2. 进入调试模式，分别在配置EPWM是否在Debug模式输出后打断点，可在PA7,PA8观察到EPWM输出
的波形。

Example execution steps:
1. Compile and download the program to MCU, and run it.
2. Enter debugging mode and set the breakpoint after configuring whether EPWM 
outputs in Debug mode. This can be done in PA7, PA8 observed EPWM output The 
waveform of.
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注意事项：
EPWM引脚如下：
EPWM_CH0_P  -> PA7
EPWM_CH0_N  -> PA8

Notes:
The EPWM pins are as follows:
EPWM_CH0_P  -> PA7
EPWM_CH0_N  -> PA8
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