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	1չʾ IO  LED ˸


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	/* ǰʹõƼ汾 */
        IDEߣKEIL MDK-ARM 5.21.1.0

        /* Ӳ̶ӦĿӲƽ̨ */
        壺N32G031CL-STB V1.0

3ʹ˵

	  /* ģ÷:ʱӣI/O */
          1 SystemClock48MHz
          2 GPIOPB1PB6PB7  LED(D1D2D3) ˸

	/* DemoĲԲ */
        1.سλУ
        2. LED(D1D2D3) ˸

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1. Function description
    1. This routine shows the IO control LED blinking
2. Use environment
    /* Software development environment: the name and version number of the software tool used in the current project */
    Software development environment: 
    	KEIL MDK-ARM 5.21.1.0
    /* Hardware environment: the development hardware platform corresponding to the project */
    Hardware Environment: 
    	Developed based on N32G031CL-STB V1.0
3. Instructions for use
    System Configuration;
        1. SystemClock48MHz
        2. GPIO: PB1, PB6, PB7 control LED (D1, D2, D3) to blink
    Instructions:
        1. After compiling, download the program to reset and run
        2. LED (D1, D2, D3) to blinking
4. Matters needing attention
    No