  
            		ʹDMAܴADCݣ͸
		ADCϴʱDMAнΪԵΪCPU
		ѹЧDemoһԲɼ6ADC
		ݡ
			
  ע
		DemoʹõADCΪPA0ɼ
		ɴDMATransferNUMá
		ʹøDemoʱΪVERF+Źڵ2.7VҲ
		VDDAĲοѹʵʲοѹ޸
		ADCݹʽ
		
   ADCתʽ
			
		ADC=ADCѹ*4096/VERF
		ѹλأV

			
