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BQ76PL455A: how the BQ76pl455 IC implement auto addressing

Part Number: BQ76PL455A

hi,sir,

I am using BQ76PL455 to achieve battery management.I have some doubts and I hope to get your help.

The daisy chain built by the IC can automatically assign addresses, but this chip communicates through usart. The uasrt communication does not automatically arbitrate like CAN communication. If the information is sent to the bus at the same time, the information received by other ICs will be confused.So how to automatic allocation of addresses through usart and the process of automatically assigning addresses? 

Thanks,sir.