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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CCT的输入捕获功能，PA2、PA3、PA6为输入捕获引脚，捕获上升沿并产生中断,中断中
获取捕获时的计数值。

Function descriptions:
This sample demonstrates the input capture function of the CCT. PA2, PA3 and PA6 
are the input capture pins, which capture the rising edge and generate interrupts. 
In the interrupt, the count value at the time of capture is obtained.
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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. 从PA2、PA3、PA6输入待捕获的波形

Example execution steps:
1. Compile and download the program to MCU, and run it.
2. Input the waveform to be captured from PA2、PA3、PA6.
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注意事项：
CCT引脚如下：
CCT0_CH0  -> PA2
CCT0_CH1  -> PA3
CCT0_CH2  -> PA6

Notes:
The CCT pins are as follows:
CCT0_CH0  -> PA2
CCT0_CH1  -> PA3
CCT0_CH2  -> PA6
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