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 if’s and menus.)

Kconfig definition¶

At arch/arm/soc/silabs_exx32/Kconfig:44

Included via Kconfig:10 → Kconfig.zephyr:23 → arch/Kconfig:16 → arch/arm/Kconfig:23

Menu path: (top menu) → ARM Options → SoC Configuration → High Frequency Clock Selection

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

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