对P6.0对应的模拟通道进行多次转换后，将32次平均值 在数码管上显示（数码管显示的只是ADC的转换结果而不 是真实的模拟电压）-P6.0 corresponding analog channels on multiple conversions, will be 32 times the average in the digital tube display (digital display only the ADC conversion results rather than r