CONFIG_CMU_LFXO_FREQ

External low frequency oscillator frequency

Type: int

Help

Set the external low frequency oscillator frequency in Hz. This should be set by the board’s defconfig.

Direct dependencies

BOARD_EFM32GG_SLWSTK6121A || BOARD_EFM32GG_STK3701A || BOARD_EFM32HG_SLSTK3400A || BOARD_EFM32PG_STK3402A || BOARD_EFM32PG_STK3402A_JG || BOARD_EFM32WG_STK3800 || BOARD_EFR32_RADIO || BOARD_EFR32MG_SLTB004A || (SOC_GECKO_CMU && SOC_FAMILY_EXX32)

(Includes any dependencies from ifs and menus.)

Defaults

• 32768

• 32768

• 32768

• 32768

• 32768

• 32768

• 32768

Kconfig definitions

At <Zephyr>/boards/arm/efm32gg_slwstk6121a/Kconfig.defconfig:19

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:24

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config CMU_LFXO_FREQ
    int
    default 32768
    depends on BOARD_EFM32GG_SLWSTK6121A

---

At <Zephyr>/boards/arm/efm32gg_stk3701a/Kconfig.defconfig:18

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:24

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config CMU_LFXO_FREQ
    int
    default 32768
    depends on BOARD_EFM32GG_STK3701A

---

At <Zephyr>/boards/arm/efm32hg_slstk3400a/Kconfig.defconfig:14

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:24

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config CMU_LFXO_FREQ
    int
    default 32768
    depends on BOARD_EFM32HG_SLSTK3400A

---

At <Zephyr>/boards/arm/efm32pg_stk3402a/Kconfig.defconfig:16

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:24

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config CMU_LFXO_FREQ
    int
    default 32768
    depends on BOARD_EFM32PG_STK3402A || BOARD_EFM32PG_STK3402A_JG

---

At <Zephyr>/boards/arm/efm32wg_stk3800/Kconfig.defconfig:14

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:24

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config CMU_LFXO_FREQ
    int
    default 32768
    depends on BOARD_EFM32WG_STK3800

---

At <Zephyr>/boards/arm/efr32_radio/Kconfig.defconfig:17

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:24

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config CMU_LFXO_FREQ
    int
    default 32768
    depends on BOARD_EFR32_RADIO

---

At <Zephyr>/boards/arm/efr32mg_sltb004a/Kconfig.defconfig:14

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:24

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config CMU_LFXO_FREQ
    int
    default 32768
    depends on BOARD_EFR32MG_SLTB004A

---

At <Zephyr>/soc/arm/silabs_exx32/Kconfig:171

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

Menu path: (Top) → Hardware Configuration

config CMU_LFXO_FREQ
    int "External low frequency oscillator frequency"
    depends on SOC_GECKO_CMU && SOC_FAMILY_EXX32
    help
      Set the external low frequency oscillator frequency in Hz. This should be set by the
      board's defconfig.

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