:orphan:

.. title:: CMU_HFCLK_HFXO

.. option:: CONFIG_CMU_HFCLK_HFXO

*External high frequency crystal oscillator*

Type: ``bool``

Help
====

Set this option to use the external high frequency crystal oscillator
as high frequency clock.

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

\ :ref:`<choice: High Frequency Clock Selection> <choice_119>`

*(Includes any dependencies from if's and menus.)*

Kconfig definition
==================

.. highlight:: kconfig

At ``soc/arm/silabs_exx32/Kconfig:140``

Included via ``Kconfig:10`` → ``Kconfig.zephyr:27`` → ``soc/Kconfig:12``

Menu path: (top menu) → Hardware Configuration → High Frequency Clock Selection

.. parsed-literal::

    config CMU_HFCLK_HFXO
    	bool
    	prompt "External high frequency crystal oscillator" if \ :ref:`<choice: High Frequency Clock Selection> <choice_119>`
    	depends on \ :ref:`<choice: High Frequency Clock Selection> <choice_119>`
    	help
    	  Set this option to use the external high frequency crystal oscillator
    	  as high frequency clock.

*(Definitions include propagated dependencies, including from if's and menus.)*