: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:` ` *(Includes any dependencies from ifs and menus.)* Kconfig definition ================== .. highlight:: kconfig At ``soc/arm/silabs_exx32/Kconfig:136`` Included via ``Kconfig:8`` → ``Kconfig.zephyr:32`` → ``soc/Kconfig:12`` Menu path: (Top) → Hardware Configuration → High Frequency Clock Selection .. parsed-literal:: config CMU_HFCLK_HFXO bool "External high frequency crystal oscillator" depends on \ :ref:` ` help Set this option to use the external high frequency crystal oscillator as high frequency clock. *(The 'depends on' condition includes propagated dependencies from ifs and menus.)*