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ADBMS1818 Recommended for New Designs
The ADBMS18181 is a multicell battery stack monitor that measures up to 18 series connected battery cells with a total measurement error of less than 3...
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ADBMS1818 on Analog.com

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adbms1818 GPIO的SPI/IIC复用功能在读操作时有问题



		

			

									
					    howard1988
					
							

			
				
									
											
			
			
				
    
			
			
			    	
			                    
                
				                on Nov 6, 2023 
				
			
			
		
    

				
		
    
		    		    
		    
		    	
			
    根据1818手册对comm寄存器的描述，
    

     
    

    以及对icom和fcom的描述，
    

      
    

    根据官网提供的例程发送的是 0x6a  0x08 0x00 0x08 0x6a 0x18 ，然后发送指令，得到的是发送波形，如下图
    

     
    

    目前 GPIO3 GPIO4 GPIO5 悬空
    

    验证SPI部分，我输出波形
    

    请问这个是什么问题，大概要怎么解决？
    
									
			                
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    Tags: 
                                            
                 battery management
                
                                                    
                 Multicell Battery Stack Monitor
                
                                                    
                 ADBMS1818