Help¶

Selects the amount to divide down the external reference clock for the PLL. The resulting frequency must be in the range of 2 MHz to 4 MHz.

Direct dependencies¶

BOARD_FRDM_K64F || BOARD_FRDM_KL25Z || BOARD_HEXIWEAR_K64 || BOARD_USB_KW24D512 || (HAS_MCG && SOC_FAMILY_KINETIS && ARM)

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

Defaults¶

0x13 if BOARD_FRDM_K64F
0x01 if BOARD_FRDM_KL25Z
0x02 if BOARD_HEXIWEAR_K64
0x1 if BOARD_USB_KW24D512
0 if HAS_MCG && SOC_FAMILY_KINETIS && ARM

Kconfig definitions¶

At boards/arm/frdm_k64f/Kconfig.defconfig:16

Included via Kconfig:10 → Kconfig.zephyr:19

Menu path: (top menu)

config MCG_PRDIV0
    hex
    default 0x13 if BOARD_FRDM_K64F
    depends on BOARD_FRDM_K64F

At boards/arm/frdm_kl25z/Kconfig.defconfig:16

Included via Kconfig:10 → Kconfig.zephyr:19

Menu path: (top menu)

config MCG_PRDIV0
    hex
    default 0x01 if BOARD_FRDM_KL25Z
    depends on BOARD_FRDM_KL25Z

At boards/arm/hexiwear_k64/Kconfig.defconfig:16

Included via Kconfig:10 → Kconfig.zephyr:19

Menu path: (top menu)

config MCG_PRDIV0
    hex
    default 0x02 if BOARD_HEXIWEAR_K64
    depends on BOARD_HEXIWEAR_K64

At boards/arm/usb_kw24d512/Kconfig.defconfig:20

Included via Kconfig:10 → Kconfig.zephyr:19

Menu path: (top menu)

config MCG_PRDIV0
    hex
    default 0x1 if BOARD_USB_KW24D512
    depends on BOARD_USB_KW24D512

At arch/arm/soc/nxp_kinetis/Kconfig:80

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

Menu path: (top menu) → ARM Options → SoC Configuration

config MCG_PRDIV0
    hex
    prompt "PLL external reference divider" if HAS_MCG && SOC_FAMILY_KINETIS && ARM
    range 0 0x18 if HAS_MCG && SOC_FAMILY_KINETIS && ARM
    default 0 if HAS_MCG && SOC_FAMILY_KINETIS && ARM
    depends on HAS_MCG && SOC_FAMILY_KINETIS && ARM
    help
      Selects the amount to divide down the external reference clock for the PLL.
      The resulting frequency must be in the range of 2 MHz to 4 MHz.

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