Resolved! The MCU usart Tx pin can't output high level occasionally
Hi,Master:platform: STM32G030C8T6Block diagram: As shown in the following diagram, STM32G030C8 as a battery cabinet communicates with 6 power banks through SDA_X. In addition, USART2 (Tx/Rx) communicates with the host, and USART1 (Tx_1/Rx_1) communi...