:orphan:

.. title:: CONFIG_MCG_FCRDIV

.. kconfig:: CONFIG_MCG_FCRDIV

CONFIG_MCG_FCRDIV
#################

*Fast internal reference clock divider*

*Fast internal reference clock divider*

Type: ``int``

Help
====

.. code-block:: none

    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.

Help
====

.. code-block:: none

    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
===================

\ :kconfig:`BOARD_FRDM_K22F <CONFIG_BOARD_FRDM_K22F>` || \ :kconfig:`BOARD_FRDM_K64F <CONFIG_BOARD_FRDM_K64F>` || \ :kconfig:`BOARD_FRDM_K82F <CONFIG_BOARD_FRDM_K82F>` || \ :kconfig:`BOARD_FRDM_KL25Z <CONFIG_BOARD_FRDM_KL25Z>` || \ :kconfig:`BOARD_FRDM_KW41Z <CONFIG_BOARD_FRDM_KW41Z>` || \ :kconfig:`BOARD_HEXIWEAR_K64 <CONFIG_BOARD_HEXIWEAR_K64>` || \ :kconfig:`BOARD_HEXIWEAR_KW40Z <CONFIG_BOARD_HEXIWEAR_KW40Z>` || \ :kconfig:`BOARD_IP_K66F <CONFIG_BOARD_IP_K66F>` || \ :kconfig:`BOARD_TWR_KV58F220M <CONFIG_BOARD_TWR_KV58F220M>` || \ :kconfig:`BOARD_USB_KW24D512 <CONFIG_BOARD_USB_KW24D512>` || (\ :kconfig:`HAS_MCG <CONFIG_HAS_MCG>` && \ :kconfig:`SOC_FAMILY_KINETIS <CONFIG_SOC_FAMILY_KINETIS>`) || (\ :kconfig:`HAS_MCG <CONFIG_HAS_MCG>` && \ :kconfig:`SOC_FAMILY_KINETIS <CONFIG_SOC_FAMILY_KINETIS>`)

*(Includes any dependencies from ifs and menus.)*

Defaults
========

- 0
- 1
- 1
- 0
- 0
- 1
- 0
- 1
- 1
- 2
- 1
- 1

Kconfig definitions
===================



At ``<Zephyr Boards>/arm/frdm_k22f/Kconfig.defconfig:20``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top)

.. code-block:: kconfig

    config MCG_FCRDIV
    	int
    	default 0
    	depends on BOARD_FRDM_K22F

----

At ``<Zephyr Boards>/arm/frdm_k64f/Kconfig.defconfig:20``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top)

.. code-block:: kconfig

    config MCG_FCRDIV
    	int
    	default 1
    	depends on BOARD_FRDM_K64F

----

At ``<Zephyr Boards>/arm/frdm_k82f/Kconfig.defconfig:20``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top)

.. code-block:: kconfig

    config MCG_FCRDIV
    	int
    	default 1
    	depends on BOARD_FRDM_K82F

----

At ``<Zephyr Boards>/arm/frdm_kl25z/Kconfig.defconfig:23``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top)

.. code-block:: kconfig

    config MCG_FCRDIV
    	int
    	default 0
    	depends on BOARD_FRDM_KL25Z

----

At ``<Zephyr Boards>/arm/frdm_kw41z/Kconfig.defconfig:17``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top)

.. code-block:: kconfig

    config MCG_FCRDIV
    	int
    	default 0
    	depends on BOARD_FRDM_KW41Z

----

At ``<Zephyr Boards>/arm/hexiwear_k64/Kconfig.defconfig:20``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top)

.. code-block:: kconfig

    config MCG_FCRDIV
    	int
    	default 1
    	depends on BOARD_HEXIWEAR_K64

----

At ``<Zephyr Boards>/arm/hexiwear_kw40z/Kconfig.defconfig:17``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top)

.. code-block:: kconfig

    config MCG_FCRDIV
    	int
    	default 0
    	depends on BOARD_HEXIWEAR_KW40Z

----

At ``<Zephyr Boards>/arm/ip_k66f/Kconfig.defconfig:20``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top)

.. code-block:: kconfig

    config MCG_FCRDIV
    	int
    	default 1
    	depends on BOARD_IP_K66F

----

At ``<Zephyr Boards>/arm/twr_kv58f220m/Kconfig.defconfig:20``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top)

.. code-block:: kconfig

    config MCG_FCRDIV
    	int
    	default 1
    	depends on BOARD_TWR_KV58F220M

----

At ``<Zephyr Boards>/arm/usb_kw24d512/Kconfig.defconfig:24``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:22``

Menu path: (Top)

.. code-block:: kconfig

    config MCG_FCRDIV
    	int
    	default 2
    	depends on BOARD_USB_KW24D512

----

At ``<Zephyr SoC>/arm/nxp_kinetis/Kconfig:86``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:38`` → ``<Zephyr SoC>/Kconfig:15`` → ``<BuildDir>/kconfig/Kconfig.soc.arch:2``

Menu path: (Top) → Hardware Configuration

.. code-block:: kconfig

    config MCG_FCRDIV
    	int "Fast internal reference clock divider"
    	range 0 7
    	default 1
    	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.

----

At ``<Zephyr SoC>/arm/nxp_kinetis/Kconfig:86``

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

Menu path: (Top) → Hardware Configuration

.. code-block:: kconfig

    config MCG_FCRDIV
    	int "Fast internal reference clock divider"
    	range 0 7
    	default 1
    	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.

*(The 'depends on' condition includes propagated dependencies from ifs and menus.)*