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        IDEߣKEIL MDK-ARM 5.21.1.0
    
    Ӳ
        壺N32G031C8L7-STB V1.0


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    1ʱӣ48MHz
    2I2C1 ã
            SCL   -->  PB6          
            SDA   -->  PB7         
            CLOCK:100KHz
            
   3USART1ã
            TX  -->  PA9   
            RX  -->  PA10           
            ʣ115200
        

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        aӴӻI2C1
        bش븴λ
        cӴڿӡϢ֤

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    SCLSDA

1. Function description

     This example demonstrates the use of I2C interrupts as a master to send and receive data.

2. Use environment

    Software development environment:
         IDE tool: KEIL MDK-ARM 5.21.1.0
    
     Hardware environment:
         Development board: N32G031C8L7-STB V1.0


3. Instructions for use

     1. Main clock: 48MHz
     2. I2C1 configuration:
             SCL --> PB6
             SDA --> PB7
             CLOCK: 100KHz
            
    3. USART1 configuration:
             TX --> PA9
             RX --> PA10
             Baud rate: 115200
        

     4. Test steps and phenomena
         a, jumper wire to connect slave I2C1
         b, compile and download the code, reset and run
         c, view the print information from the serial port and verify the result

4. Matters needing attention
     SCL and SDA must be pulled up