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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GPIO输出模式，配置LED引脚为数字输出模式，并且每隔500ms翻转一次LED引
脚电平，运行程序，可以看到LED灯闪烁。

Function descriptions:
This sample demonstrates GPIO output mode by configuring the LED pin as a digital
output. The LED pin's level is toggled every 500ms, causing the LED to blink. Run
the program to observe the LED blinking.
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测试环境：
测试用板：PY32MD530_STK
MDK版本： 5.28

Test environment:
Test board: PY32MD530_STK
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. 观察到STK板上的LED闪烁。

Example execution steps:
1.Compile and download the program to the MCU, and run it.
2.Observe the LED on the STK board blinking.
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注意事项：

Notes:

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