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TMC5160 Recommended for New Designs
The TMC5160 is a high power stepper motor controller and driver IC with serial communication interfaces. It combines a flexible ramp generator for automatic...
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TMC5160 on Analog.com

TMC2660 Recommended for New Designs
The TMC2660 provides an integrated motor driver solution for Laboratory Automation, 3D-Printing, Scanners and other automated equipment applications. The...
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TMC2660 on Analog.com

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Unable to communicate via SPI with TMC5160

		
	
				

			

									
					    SaadNaeem
					
							

            
            			
				
									
											
			
			
				
			
			
			    	
			                    
                
				                on Apr 28, 2026 
				
			
			
		

		
		                     
				
        		

		    
		    		    

		      		            		        
Category: Hardware

    		        		            		    
Product Number:  TMC5160 

    		        		    		    

		    		    
		    			

			    
I am migrating from TMC2660 to TMC5160 using psoc CY8C4248AZI-L485.

while reading a register e.g. ioin= 0x04 or irrun= 0x10 i get alway  first byte as 0x39 and then on first try i get all 0xffffffff
if i try to read again i get 0x00....
can some body guide why it is so?


			

			
									
		                             
                        

    

                                            
                 hardware
                
                                                    
                 Motor Drivers & Motion Controllers ICs
                
                                                    
                 TMC5160
                
                                
            

    
    
		


				
				        
        		

			
						
									
												
			
			
                        
                                    
                        
                        
                        
            
			            
						
						
			
			
			
			
		


        
        
        
    
					

			





















	

	

					



			








	
	
	
	



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    •  Analog Employees  
    
            
						
                            
            
            				
            
                on Apr 29, 2026 5:17 AM
            
            
						
			            		
    
		
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    Hi Naeem, 
    

    typical issues are wrong CLK polarity or wrong number of bits. Maybe also a wiring issue. I suggest to attach an oscilloscope and countercheck the waves. Please be sure to also have all supplies switched on. While this might sound trivial, many issues occurred because users assumed that the IO supply is sufficient to operate the IC logic. Hope this helps.
    
			
    

		
			
	      

		
		
	
    
	
    
		
    
			
		
    
	
    
	
    
		
						
						
				
						
				
				
		
		
    
			
		
    
	
    

    

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    •  Analog Employees  
    
            
						
                            
            
            				
            
                on Apr 29, 2026 5:17 AM
            
            
						
			            		
    
		
										0
					
	
    

		
		
    
		
    
                                
                                                            
    
					
    Hi Naeem, 
    

    typical issues are wrong CLK polarity or wrong number of bits. Maybe also a wiring issue. I suggest to attach an oscilloscope and countercheck the waves. Please be sure to also have all supplies switched on. While this might sound trivial, many issues occurred because users assumed that the IO supply is sufficient to operate the IC logic. Hope this helps.
    
			
    

		
			
	      

		
		
	
    
	
    
		
    
			
		
    
	
    
	
    
		
						
						
				
						
				
				
		
		
    
			
		
    
	
    

    

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