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ADSP-21569 Recommended for New Designs
Reaching speeds of up to 1 GHz, the ADSP-2156x processors are members of the SHARC® family of products. The ADSP-2156x processor is based on the SHARC...
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ADSP-21569 on Analog.com

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How to have multichannel audio output with example project: Audio_Passthrough_I2S



		

			

									
					    Ziit
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on May 27, 2024 
				
			
			
		
    

				
		
    
		    		    
		    
		    		      		            		        
    Category: Hardware
    
    		        		            		    
    Product Number:  ADSP-21569  
    
    		        		    		    	
			
    Hello everyone,
    

    I m trying to run the example project 'Audio_Passthrough_I2S', in C:\Analog Devices\EV-2156x_EZ-KIT-Rel2.0.0\EV-2156x_EZ-KIT\Examples with carry board EV-SOMCRR-EZKIT-ND and EV-21569-SOM.
    

    As explained in the readme file in this example project, I got audio output on J17 (DAC1/2).
    

    My question is: 
    

    Where could I modify to have multichannel output ? For example to copy the audio signal given to J17 (DAC1/2) and let J18(DAC3/4), J19(DAC5/6), J20(DAC7/8), J22(DAC9/10), J23(DAC11/12) also have audio signal output ?
    

    Thank you very much.
    
									
			        
		
    

				
						
        

    
    Tags: 
                                            
                 ADSP-21569
                
                                                    
                 Audio Signal Processors
                
                                                    
                 Example Project
                
                                                    
                 hardware
                
                                                    
                 Audio Passthrough I2S
                
                                        
                                            
                
                
                                        
                                            
                
                
                                        
                                            
                
                
                                
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      •  Analog Employees  
      
            
						
                            
            
            				
            
                on May 29, 2024 1:25 PM
            
            
					
      
	
      

		
		
      
					
      Hi ,
      

      We understand that you are using the Audio_Passthrough_I2S BSP example code and you are expecting the same audio output in J17 (DAC1/2) as well as also in J18 (DAC3/4), J19 (DAC5/6), and J20 (DAC7/8).
      

      Based on this understanding, we created a project, and it's working fine for us.
      

      Please find the attached example code for Audio_Passthrough_I2S multichannel output
      

      Please let us know if you require further assistance.
      

      Regards,
      Ranjitha R
      

      Audio_Passthrough_I2S.zip
      
			
      

		
			
	      

		
		
	
      
	
      
		
      
			
		
      
	
      
	
      
		
						
				
						
						
				
				
		
		
      
			
		
      
	
      

      

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													0
							
			
				
									
							        
			
			
			
        
            
						
                            
            
            				
            
                on May 30, 2024 7:31 AM
            
            
												
						in reply to Ranji
					
									
        
	
        

		
		
        
					
        Hi Ranji,
        

        Thank you for your reply. Thank you very much, yes I got output from J17(DAC1/2) 18(DAC5/6) 19(DAC3/4) with input of J12(AN1/2). Could also provide me where to find the DAI PIN correspond DAC7/8 and DAC9/10 ? The idea is to get input from J12, pass through buy ADC and copy them as input for DAC12 34 56 78 910, to get finally 10 analog audio output.
        

        Thank you very much
        
			
        

		
			
	      

		
		
	
        
	
        
		
        
			
		
        
	
        
	
        
		
						
						
				
						
				
				
		
		
        
			
		
        
	
        

        

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        •  Analog Employees  
        
            
						
                            
            
            				
            
                on Jun 6, 2024 8:26 AM
            
            
												
						in reply to Ziit
					
									
        
	
        

		
		
        
					
        Hi ,
        

        Regrading "Could also provide me where to find the DAI PIN correspond DAC7/8 and DAC9/10 ?"
        >>>Can you please refer the ADAU1962A [Page No: 4/19] and Audio Connectors[ Page No : 7/19] in the EV-SOMCRR-EZKIT Schematic manual. The link is given below,
        www.analog.com/.../ev-somcrr-ezkit-schematic.pdf

        Please find the attached example code for Audio_Passthrough_TDM multichannel output.
        In the Audio_Passthrough_TDM example , we provide an input to J12 (ADC1/2) and copy the data from J12 to pass it through to the J17 (DAC1/2), J18 (DAC3/4), J19 (DAC5/6), and J20 (DAC7/8). Please use this as a reference and modify as per your requirement.
        Audio_Loopback_TDM.zip
        Regards,
        Ranjitha.R
        
			
        

		
			
	      

		
		
	
        
	
        
		
        
			
		
        
	
        
	
        
		
						
						
				
						
				
				
		
		
        
			
		
        
	
        

        

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