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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OPA的电压跟随功能，PC2为正端输入，PC1为负端输入，PC8为输出，PC8会输
出和PC2相同的电压值。

Function descriptions:
This sample demonstrates the voltage follower functionality of the OPA. PC2 
is the positive input, PC1 is the negative input, and PC8 is the output. PC8 
will output the same voltage as PC2.
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测试环境：
测试用板：PY32T092_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: PY32T092_STK
MDK Version: 5.28
IAR Version: 9.20
GCC Version: GNU Arm Embedded Toolchain 10.3-2021.10
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使用步骤：
1. 编译并下载程序。
2. 将PC1和PC8短接。
3. 在PC2端输入1V、2V、3V，观察PC8端检测到的电压值，应与PC2端输入的电压值相同。

Example execution steps:
1. Compile and download the program.
2. Short PC1 and PC8 together.
3. Input 1V, 2V, and 3V at the PC2 pin. Observe the voltage detected at the 
PC8 pin, which should be the same as the input voltage at PC2.

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注意事项：

Notes:

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