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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ADC的模拟看门狗功能，当开启看门狗的通道的电压值不在设定的上下限中，
会进入看门狗中断。

Function descriptions:
This example demonstrates the analog watchdog function of ADC. When the voltage
value of the channel that opens the watchdog is not within the set upper or 
lower limits,Will enter watchdog interrupt.
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测试环境：
测试用板：MS32C001B_STK
MDK版本： 5.28
IAR版本： 9.20
GCC 版本：GNU Arm Embedded Toolchain 10.3-2021.10

Test environment:
Test board: MS32C001B_STK
MDK Version: 5.28
IAR Version: 9.20
GCC Version: GNU Arm Embedded Toolchain 10.3-2021.10
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1. 编译下载程序到MCU，并运行；
2. PA3的电压值小于1.65V(供电电压为3.3V),不会进入看门狗中断，LED灯不亮；
3. PA3的电压值大于1.65V(供电电压为3.3V)，进入看门狗中断，LED亮。

Example execution steps:
1. Compile and download the program to MCU and run it;
2. If the voltage value of PA3 is less than 1.65V (with a power supply voltage of
3.3V), it will not enter the watchdog interrupt and the LED light will not light 
up;
3. If the voltage value of PA3 is greater than 1.65V (with a supply voltage of 
3.3V), the watchdog will interrupt and the LED will light up.
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注意事项：

Notes:

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