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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GPIO复用模式，配置PA2为复用模式，AF0模式下PA2可作为CCT0的通道0的输入输出口。

Function descriptions:
This sample demonstrates the GPIO multiplexing mode. Configure PA2 as the 
multiplexing mode. In AF0 mode, PA2 can be used as the input and output port 
for Channel 0 of CCT0. 
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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。

Example execution steps:
1. Compile and download the program to MCU, and run it.
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注意事项：
GPIO    -> PA2

Notes:
GPIO    -> PA2

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