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CONFIG_MCG_FCRDIV¶

Fast internal reference clock divider

Type: int

Help¶

Selects the amount to divide down the fast internal reference clock. The resulting frequency must be in the range 31.25 kHz to 4 MHz.

Direct dependencies¶

BOARD_FRDM_K64F || BOARD_FRDM_KL25Z || BOARD_FRDM_KW41Z || BOARD_HEXIWEAR_K64 || BOARD_HEXIWEAR_KW40Z || BOARD_USB_KW24D512 || (HAS_MCG && SOC_FAMILY_KINETIS)

(Includes any dependencies from if’s and menus.)

Defaults¶

Kconfig definitions¶

At boards/arm/frdm_k64f/Kconfig.defconfig:22

Included via Kconfig:10 → Kconfig.zephyr:21

Menu path: (top menu)

config MCG_FCRDIV
    int
    default 1 if BOARD_FRDM_K64F
    depends on BOARD_FRDM_K64F

At boards/arm/frdm_kl25z/Kconfig.defconfig:25

Included via Kconfig:10 → Kconfig.zephyr:21

Menu path: (top menu)

config MCG_FCRDIV
    int
    default 0 if BOARD_FRDM_KL25Z
    depends on BOARD_FRDM_KL25Z

At boards/arm/frdm_kw41z/Kconfig.defconfig:19

Included via Kconfig:10 → Kconfig.zephyr:21

Menu path: (top menu)

config MCG_FCRDIV
    int
    default 0 if BOARD_FRDM_KW41Z
    depends on BOARD_FRDM_KW41Z

At boards/arm/hexiwear_k64/Kconfig.defconfig:22

Included via Kconfig:10 → Kconfig.zephyr:21

Menu path: (top menu)

config MCG_FCRDIV
    int
    default 1 if BOARD_HEXIWEAR_K64
    depends on BOARD_HEXIWEAR_K64

At boards/arm/hexiwear_kw40z/Kconfig.defconfig:19

Included via Kconfig:10 → Kconfig.zephyr:21

Menu path: (top menu)

config MCG_FCRDIV
    int
    default 0 if BOARD_HEXIWEAR_KW40Z
    depends on BOARD_HEXIWEAR_KW40Z

At boards/arm/usb_kw24d512/Kconfig.defconfig:26

Included via Kconfig:10 → Kconfig.zephyr:21

Menu path: (top menu)

config MCG_FCRDIV
    int
    default 2 if BOARD_USB_KW24D512
    depends on BOARD_USB_KW24D512

At soc/arm/nxp_kinetis/Kconfig:90

Included via Kconfig:10 → Kconfig.zephyr:27 → soc/Kconfig:12

Menu path: (top menu) → Hardware Configuration

config MCG_FCRDIV
    int
    prompt "Fast internal reference clock divider" if HAS_MCG && SOC_FAMILY_KINETIS
    range 0 7 if HAS_MCG && SOC_FAMILY_KINETIS
    default 1 if HAS_MCG && SOC_FAMILY_KINETIS
    depends on HAS_MCG && SOC_FAMILY_KINETIS
    help
      Selects the amount to divide down the fast internal reference clock. The
      resulting frequency must be in the range 31.25 kHz to 4 MHz.

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