STM32CubeMX : Version 5.3.0Package : STM32CubeF1 Firmware Package V1.8.0Project Settings : Toolchain / IDE = TrueSTUDIO MCU : STM32F103C8TxUSART1 > Mode = Single Wire (Half-Duplex) > Pin usage PB6Lib : LLIn USART1 GPIO Configuration section of USART...