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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模块的Tempsensor功能，并通过串口打印出温度值。

Function descriptions:
This example demonstrates the Tempsensor function of the ADC module and prints 
the temperature value through the serial port.
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测试环境：
测试用板：PY32F403_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: PY32F403_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. 编译下载程序到MCU，并运行；
2. 串口每隔1s打印一次采集到的温度值。

Example execution steps:
1. Compile and download the program and run it;
2. The serial port prints the collected temperature values every 1 second.
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注意事项：
通过USB转TTL模块连接PC与STK板,STK板与USB转TTL模块的连线方式如下；
STK板        USB转TTL模块
PA02(TX)  -->  RX
PA03(RX)  -->  TX
GND       -->  GND

Notes:
Connect the PC to the STK board through the USB to TTL module, and the connection
method between the STK board and the USB to TTL module is as follows:

STK board     USB to TTL module
PA02(TX)  -->  RX
PA03(RX)  -->  TX
GND       -->  GND
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