The new STM32CubeMX 5.1.0 do not support STM32WB55 IPCC setting (System Core). Firmware STM32Cube_FW_WB_V1.0.0. I can not check the HandsOn's from the STM32WB55 Nucleo Board. The board is listed to the CubeMX.

The LPTIM1 interrupt is running. But if I use the EnterStopMode function, the controller is not gone at the stop mode (LED1 come directly). If I use the EnterStopMode function the second time, the controller goes into the STOP mode and after few sec...