1、功能说明

    1、此例程展示控制 LED（RED、GREEN）闪烁

2、使用环境

    /* 硬件环境：工程对应的开发硬件平台 */
    开发板：N32A455VEL7-EVB V1.0

3、使用说明
    
    /* 描述相关模块配置方法；例如:时钟，I/O等 */
    SystemClock：144MHz
    GPIO：PA11 控制 LED(RED) 常亮；PA12 控制 LED(GREEN) 闪烁；PA5、PA6、PA9 IO 电平翻转


    /* 描述Demo的测试步骤和现象 */
    1.编译后下载程序复位运行
    2.RED常亮，GREEN 闪烁

4、注意事项
    无


1. Function description

     1. This routine shows the control LED (RED, GREEN) blinking

2. Use environment

     /* Hardware environment: the development hardware platform corresponding to the project */
     Development board: N32A455VEL7-EVB V1.0

3. Instructions for use
    
     /* Describe related module configuration methods; for example: clock, I/O, etc. */
     SystemClock: 144MHz
     GPIO: PA11 control LED (RED) is always on; PA12 control LED (GREEN) flashes; PA5, PA6, PA9 IO level inversion


     /* Describe the test steps and phenomena of the Demo */
     1. After compiling, download the program to reset and run
     2.RED is always on, GREEN is flashing

4. Matters needing attention
     none