Help¶

Enable the low-frequency oscillator (LFXO) functionality on XL1 and XL2 pins. This option must be enabled if either application or network core is to use the LFXO. Otherwise, XL1 and XL2 pins will behave as regular GPIOs.

Direct dependencies¶

SOC_NRF5340_CPUAPP && SOC_FAMILY_NRF

(Includes any dependencies from ifs and menus.)

Default¶

y

Kconfig definition¶

At <Zephyr>/soc/arm/nordic_nrf/nrf53/Kconfig.soc:133

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:28 → <Zephyr>/soc/Kconfig:11 → <BuildDir>/Kconfig/Kconfig.soc.arch:2 → <Zephyr>/soc/arm/nordic_nrf/Kconfig:17

Menu path: (Top) → Hardware Configuration

config SOC_ENABLE_LFXO
    bool "Enable LFXO"
    default y
    depends on SOC_NRF5340_CPUAPP && SOC_FAMILY_NRF
    help
      Enable the low-frequency oscillator (LFXO) functionality on XL1 and
      XL2 pins.
      This option must be enabled if either application or network core is
      to use the LFXO. Otherwise, XL1 and XL2 pins will behave as regular
      GPIOs.

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