The STM32WB09 shares a lot of its DNA with the BlueNRG-LPS and, as such, uses the same Cortex-M0+ and Bluetooth stack.

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The STM32WB09 shares a lot of its DNA with the BlueNRG-LPS and, as such, uses the same Cortex-M0+ and Bluetooth stack.
ST is launching STM32WB09, inaugurating STM32WB0 series and transitioning latest generation of BlueNRG-LP(S) devices to STM32Cube ecosystem.