The SBS protocol defines battery-related commands to be transferred over SMBus, which in turn is deviced from I2C. 7-pin Balancer and UART con. Contains connections for cells balancing, plus Rx and Tx ...

One of the most basic and also most versatile communication interfaces on an MCU is the UART, or Universal Asynchronous ... at section 4 (‘Pinouts and pin descriptions’) where in Table 14 ...