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                                样例使用说明
                             Sample Description
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功能描述：
此样例演示了MCU进入stop模式和低功耗定时器事件唤醒功能。

Function descriptions:
This sample demonstrates the MCU's entering the stop mode and the function of 
waking up by the low-power timer event.
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测试环境：
测试用板：DPM32M036_REV_A
MDK版本： 5.28

Test environment:
Test board: DPM32M036_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. MCU进入stop模式，低功耗定时器计时2s后会唤醒MCU。

Example execution steps:
1. Compile and download the program to MCU, and run it.
2. The MCU enters the stop mode, and the low-power timer will wake up the MCU after 
timing for 2 seconds.
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注意事项：
唤醒引脚如下：
GPIO       -> PA0

Notes:
The Wakeup pins are as follows:
GPIO       -> PA0

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