:orphan:

.. title:: CLOCK_STM32_LSE

.. option:: CONFIG_CLOCK_STM32_LSE

*Low-speed external clock*

*Low-speed external clock*

Type: ``bool``

Help
====

Enable the low-speed external (LSE) clock supplied with a 32.768 kHz
crystal resonator oscillator.

Help
====

Enable the low-speed external (LSE) clock supplied with a 32.768 kHz
crystal resonator oscillator.

Direct dependencies
===================

\ :option:`BOARD_NUCLEO_WB55RG <CONFIG_BOARD_NUCLEO_WB55RG>` || ((\ :option:`SOC_SERIES_STM32L4X <CONFIG_SOC_SERIES_STM32L4X>` || \ :option:`SOC_SERIES_STM32L5X <CONFIG_SOC_SERIES_STM32L5X>` || \ :option:`SOC_SERIES_STM32WBX <CONFIG_SOC_SERIES_STM32WBX>`) && \ :option:`CLOCK_CONTROL_STM32_CUBE <CONFIG_CLOCK_CONTROL_STM32_CUBE>` && \ :option:`CLOCK_CONTROL <CONFIG_CLOCK_CONTROL>`) || (\ :option:`SOC_SERIES_STM32G4X <CONFIG_SOC_SERIES_STM32G4X>` && \ :option:`CLOCK_CONTROL_STM32_CUBE <CONFIG_CLOCK_CONTROL_STM32_CUBE>` && \ :option:`CLOCK_CONTROL <CONFIG_CLOCK_CONTROL>`)

*(Includes any dependencies from ifs and menus.)*

Default
=======

- y

Kconfig definitions
===================

.. highlight:: kconfig

At ``boards/arm/nucleo_wb55rg/Kconfig.defconfig:11``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:18``

Menu path: (Top)

.. parsed-literal::

    config CLOCK_STM32_LSE
    	bool
    	default y
    	depends on \ :option:`BOARD_NUCLEO_WB55RG <CONFIG_BOARD_NUCLEO_WB55RG>`

----

At ``drivers/clock_control/Kconfig.stm32l4_l5_wb:66``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:32`` → ``drivers/Kconfig:54`` → ``drivers/clock_control/Kconfig:25`` → ``drivers/clock_control/Kconfig.stm32:135``

Menu path: (Top) → Device Drivers → Hardware clock controller support → STM32 Reset & Clock Control

.. parsed-literal::

    config CLOCK_STM32_LSE
    	bool "Low-speed external clock"
    	depends on (\ :option:`SOC_SERIES_STM32L4X <CONFIG_SOC_SERIES_STM32L4X>` || \ :option:`SOC_SERIES_STM32L5X <CONFIG_SOC_SERIES_STM32L5X>` || \ :option:`SOC_SERIES_STM32WBX <CONFIG_SOC_SERIES_STM32WBX>`) && \ :option:`CLOCK_CONTROL_STM32_CUBE <CONFIG_CLOCK_CONTROL_STM32_CUBE>` && \ :option:`CLOCK_CONTROL <CONFIG_CLOCK_CONTROL>`
    	help
    	  Enable the low-speed external (LSE) clock supplied with a 32.768 kHz
    	  crystal resonator oscillator.

----

At ``drivers/clock_control/Kconfig.stm32g4:48``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:32`` → ``drivers/Kconfig:54`` → ``drivers/clock_control/Kconfig:25`` → ``drivers/clock_control/Kconfig.stm32:137``

Menu path: (Top) → Device Drivers → Hardware clock controller support → STM32 Reset & Clock Control

.. parsed-literal::

    config CLOCK_STM32_LSE
    	bool "Low-speed external clock"
    	depends on \ :option:`SOC_SERIES_STM32G4X <CONFIG_SOC_SERIES_STM32G4X>` && \ :option:`CLOCK_CONTROL_STM32_CUBE <CONFIG_CLOCK_CONTROL_STM32_CUBE>` && \ :option:`CLOCK_CONTROL <CONFIG_CLOCK_CONTROL>`
    	help
    	  Enable the low-speed external (LSE) clock supplied with a 32.768 kHz
    	  crystal resonator oscillator.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*