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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TIM0触发DMA功能，系统复位UART0打印要搬运的数据，等待DMA搬运完成，打印
搬运后的数据，LED1每隔1s翻转一次。

Function descriptions:
This example demonstrates the DMA function triggered by TIM0, where the system 
resets UART0 to print the data to be moved, waits for DMA transfer to complete, 
and then prints After transportation, LED1 flips the data every 1 second.
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测试环境：
测试用板：DPM32M087RBTx_EVB V1.0
MDK版本： 5.28

Test environment:
Test board: DPM32M087RBTx_EVB V1.0
MDK Version: 5.28
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使用步骤：
1. 接上P10上的跳线帽，将串口0引出到CH340，USB线接电脑。
2. 编译下载程序到MCU，并运行。
3. 串口打印程序进度。
4. LED1每隔1s翻转一次。

Example execution steps:
1. Connect the jumper cap on P10, connect serial port 0 to CH340, and connect 
the USB cable to the computer.
2. Compile and download the program to MCU, and run it.
3. Serial port printing program progress.
4. LED1 flips every 1 second.
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注意事项：
LED引脚如下：
LED1       -> PC10

UART引脚如下：
UART0_Tx   -> PA9
UART0_Rx   -> PA10

Notes:
The LED pins are as follows:
LED1       -> PC10

The UART pins are as follows:
UART0-Tx   -> PA9
UART0-Rx   -> PA10
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