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                                样例使用说明
                             Sample Description
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功能描述：
本样例主要读取DBGMCU->IDCODE寄存器和UID的值,并通过串口打印出来。

Function descriptions:
This sample mainly reads the values of the DBGMCU->IDCODE register and UID, and
prints them out via the serial port.
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测试环境：
测试用板：PY32MD320_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: PY32MD320_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. 串口依次打印Device ID,Revision ID,X and Y coordinates,Water NB,Lot Nb的值。

Example execution steps:
1.Compile and download the program to the MCU and run it.
2.The serial port will print the values of Device ID, Revision ID, X and Y
coordinates, Water NB, and Lot Nb in sequence.
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注意事项：
STK板        USB转TTL模块
PA02(TX) --> RX
PA03(RX) --> TX
GND      --> GND

波特率:115200

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

Baud rate: 115200
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