Devices STM32WBA Series STM32WBA54 STM32WBA54 STMicroelectronics Devices 4 STM32WBA54CEUx STM32WBA54 Cortex-M33 STM32WBA54CGUx STM32WBA54 Cortex-M33 STM32WBA54KEUx STM32WBA54 Cortex-M33 STM32WBA54KGUx STM32WBA54 Cortex-M33