This is the documentation for the latest (main) development branch of Zephyr. If you are looking for the documentation of previous releases, use the drop-down menu on the left and select the desired version.

CONFIG_CMU_HFCLK_LFXO

External low frequency crystal oscillator

Type: bool

Help

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

Direct dependencies

<choice: High Frequency Clock Selection>

(Includes any dependencies from ifs and menus.)

Kconfig definition

At soc/arm/silabs_exx32/Kconfig:154

Included via Kconfig:8Kconfig.zephyr:36soc/Kconfig:18

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

config CMU_HFCLK_LFXO
    bool "External low frequency crystal oscillator"
    depends on <choice>
    help
      Set this option to use the external low frequency crystal oscillator
      as high frequency clock.

(The ‘depends on’ condition includes propagated dependencies from ifs and menus.)