CONFIG_OSC_XTAL0_FREQ

External oscillator frequency

External oscillator frequency

Type: int

Help

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

Help

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

Direct dependencies

BOARD_FRDM_K22F || BOARD_FRDM_K64F || BOARD_FRDM_K82F || BOARD_FRDM_KL25Z || BOARD_FRDM_KW41Z || BOARD_HEXIWEAR_K64 || BOARD_HEXIWEAR_KW40Z || BOARD_IP_K66F || BOARD_RDDRONE_FMUK66 || BOARD_TWR_KV58F220M || BOARD_USB_KW24D512 || (HAS_OSC && SOC_FAMILY_KINETIS) || (HAS_OSC && SOC_FAMILY_KINETIS)

(Includes any dependencies from ifs and menus.)

Defaults

• 8000000

• 50000000

• 12000000

• 8000000

• 32000000

• 12000000

• 32000000

• 12000000

• 16000000

• 50000000

• 4000000

Kconfig definitions

At <Zephyr>/boards/arm/frdm_k22f/Kconfig.defconfig:11

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:22

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config OSC_XTAL0_FREQ
    int
    default 8000000
    depends on BOARD_FRDM_K22F

---

At <Zephyr>/boards/arm/frdm_k64f/Kconfig.defconfig:11

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:22

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config OSC_XTAL0_FREQ
    int
    default 50000000
    depends on BOARD_FRDM_K64F

---

At <Zephyr>/boards/arm/frdm_k82f/Kconfig.defconfig:11

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:22

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config OSC_XTAL0_FREQ
    int
    default 12000000
    depends on BOARD_FRDM_K82F

---

At <Zephyr>/boards/arm/frdm_kl25z/Kconfig.defconfig:11

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:22

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config OSC_XTAL0_FREQ
    int
    default 8000000
    depends on BOARD_FRDM_KL25Z

---

At <Zephyr>/boards/arm/frdm_kw41z/Kconfig.defconfig:11

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:22

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config OSC_XTAL0_FREQ
    int
    default 32000000
    depends on BOARD_FRDM_KW41Z

---

At <Zephyr>/boards/arm/hexiwear_k64/Kconfig.defconfig:11

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:22

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config OSC_XTAL0_FREQ
    int
    default 12000000
    depends on BOARD_HEXIWEAR_K64

---

At <Zephyr>/boards/arm/hexiwear_kw40z/Kconfig.defconfig:11

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:22

Menu path: (Top)

config OSC_XTAL0_FREQ
    int
    default 32000000
    depends on BOARD_HEXIWEAR_KW40Z

---

At <Zephyr>/boards/arm/ip_k66f/Kconfig.defconfig:11

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:22

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config OSC_XTAL0_FREQ
    int
    default 12000000
    depends on BOARD_IP_K66F

---

At <Zephyr>/boards/arm/rddrone_fmuk66/Kconfig.defconfig:11

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:22

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config OSC_XTAL0_FREQ
    int
    default 16000000
    depends on BOARD_RDDRONE_FMUK66

---

At <Zephyr>/boards/arm/twr_kv58f220m/Kconfig.defconfig:11

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:22

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config OSC_XTAL0_FREQ
    int
    default 50000000
    depends on BOARD_TWR_KV58F220M

---

At <Zephyr>/boards/arm/usb_kw24d512/Kconfig.defconfig:11

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:22

Menu path: (Top)

config OSC_XTAL0_FREQ
    int
    default 4000000
    depends on BOARD_USB_KW24D512

---

At <Zephyr>/soc/arm/nxp_kinetis/Kconfig:59

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:38 → <Zephyr>/soc/Kconfig:15 → <nRF>/doc/_build/kconfig/Kconfig.soc.arch:2

Menu path: (Top) → Hardware Configuration

config OSC_XTAL0_FREQ
    int "External oscillator frequency"
    depends on HAS_OSC && SOC_FAMILY_KINETIS
    help
      Set the external oscillator frequency in Hz. This should be set by the
      board's defconfig.

---

At <Zephyr>/soc/arm/nxp_kinetis/Kconfig:59

Included via <Zephyr>/Kconfig:8 → <Zephyr>/Kconfig.zephyr:38 → <Zephyr>/soc/Kconfig:18

Menu path: (Top) → Hardware Configuration

config OSC_XTAL0_FREQ
    int "External oscillator frequency"
    depends on HAS_OSC && SOC_FAMILY_KINETIS
    help
      Set the external oscillator frequency in Hz. This should be set by the
      board's defconfig.

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