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请教关于AD9854开发板的问题

		
	
				

			

									
					    jenny
					
							

            
            			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Jan 10, 2013 
				
			
			
		
    
		
		                    	    
    
        	    
    Thread Summary
    
                The user encountered an issue where the AD9854 development board's software failed to recognize the parallel connection cable after the first successful use. The problem was assumed resolved by the EZ team, but no specific solution was provided. The AD9854's power connections (AVDD, DVDD, VCC) were all tied to a single power supply, which may have been a factor in the issue.
                        	    
    
                
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       我用了AD9854的开发板，我把开发板上AVDD，DVDD，VCC连接在一个电源上拉，发现第一次使用运行良好，第二次使用时发现，开发板自带的software不能识别并口连接线，请帮我分析下什么原因，谢谢！
       gyheb@tom.com
      
    		
    
    
       
  
    
 
    
			
    
			
									
		                             
                        

    
    
                                            
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