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BF533 total crash



		

			

									
					    cscheidl
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Aug 4, 2020 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    I've a BF533 system in C++ with Code in L1. It works without problems, but crashes from time to time. Not even the watchdog can reboot it. Only a powerdown or manual reset helps. It happens with the release version booted out of an external flash and it happens using the debug version with an ICE-1000. Also the ICE-1000 looses the JTAG connection when the crash happens.
    

    How to debug????
    

    I've tried CCES in version 2.7.0 and in version 2.8.3 - no difference! Even changing the startup files by copying the basiccrt.s into the project didn't change anything.
    

    Could this be some unhandled exception that would break the JTAG connection, too?
    

    Any hints/ideas for me??
    

    Best Regards Claus
    
									
			        
		
    

				
						
        

		
    
			
						
									
									
						
						
			
			
			
			
		
    

        
        

					
    
			
    


    
















    
	
    
	
    
					



			








	
	
	
	



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      •  Analog Employees  
      
            
						
                            
            
            				
            
                on Aug 12, 2020 7:14 AM
            
            
												
						in reply to cscheidl
					
									
      
	
      

		
		
      
					
      Hi,

      Can you explain about your application?

      Are you using Ezkit or custom board?

      Did you ran any application when crashing?

      Please refer "Pin Description" in page no:17 in the below ADSP-BF533 datasheet and please ensure that we have to terminate all the processor signals properly.
      www.analog.com/.../ADSP-BF531_BF532_BF533.pdf

      And also, all power supplies must meet the specifications provided in the Operating Conditions (VDD_INT, VDD_EXT, VDD_RTC).

      Please make sure we should provide processor input clock frequency clean(without noise).

      Can you please verify the Power-Up Reset Timing and Clock and Reset Timing, Whether it meet the datasheet specification.

      Regards,
      Anand Selvaraj.
      
			
      

		
			
	      

		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
				
				
						
				
				
		
		
      
			
		
      
	
      

      

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