用c8051f320单片机,任选两个IO口进行模拟IIC操做,用软件IIC对加速度芯片MXC6020进行读写操作(IIC接口)-With c8051f320 Singlechip, optional two IO simulation IIC mouth fuck to do with software acceleration chip IIC on MXC6020 to read and write operations (IIC interface)