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求stm32 AD7916驱动


		

			

									
						Lp_peter
					
							

			
				
									
											
							 		
		        	            							
			
			    	
			                    
                
				                on Jul 9, 2021 
				
			
			
		


				
		

			
根据AD7916时序配置3线无繁忙提示读不到信号


void AD_Read(void)
{
 u8 cnt = 0;
 
 ADC_NSS(1); 
 ADC_CNV(1);
 HAL_Delay(2);
 ADC_CNV(0);
 for(cnt = 0; cnt < 16; cnt ++)
 {
 ADC_CLK(0);
 HAL_Delay(1);
 ADC_CLK(1);
 HAL_Delay(1);
 }
 
}




使用示波器观察SDO数据脚  没有信号