1. ˵
    USB HID 豸

2. ʹû
    Ӳ̶ӦĿӲƽ̨ 
    壺   N32L43XM-STB N32L40XM-STB V1.1

3. ʹ˵
    ģ÷:ʱӣI/O 
         1. SystemClock48MHz
         2. USBClock: 48MHz
         3. GPIOPC7 

    DemoĲԲ 
         1. سλУ
         2. ͨ USB  J3 USB ڣʶ豸PC7 ӵأUSB  "a"

4. ע
    

1. Function description
    USB HID keyboard device

2. Use environment
    Hardware environment: development hardware platform corresponding to the project 
    Development board:      N32L43XM-STB N32L40XM-STB V1.1

3. Instructions for use
    Describe the configuration method of related modules; for example: clock, I/O, etc. 
        1. SystemClock: 48MHz
        2. USBClock: 48MHz
        3. GPIO: PC7 keyboard input
                  
    Describe the test steps and phenomena of Demo 
        1. After compiling, download the program to reset and run;
        2. Connect the J3 USB port through a USB cable, the computer recognizes the keyboard device, PC7 is grounded, and USB input "a".
 
4. Matters needing attention
    None.