:orphan:

.. title:: CONFIG_CLOCK_STM32_PLL_PREDIV

.. kconfig:: CONFIG_CLOCK_STM32_PLL_PREDIV

CONFIG_CLOCK_STM32_PLL_PREDIV
#############################

*PREDIV Prescaler*

Type: ``int``

Help
====

.. code-block:: none

    PREDIV is a PLL clock signal prescaler for the HSE output.
    It is supported by those parts that do not support PREDIV1.
    If configured on a non-supported part, this config will be ignored.
    Allowed values: 1 - 16.

Direct dependencies
===================

\ :kconfig:`CLOCK_STM32_SYSCLK_SRC_PLL <CONFIG_CLOCK_STM32_SYSCLK_SRC_PLL>` && (\ :kconfig:`SOC_SERIES_STM32F0X <CONFIG_SOC_SERIES_STM32F0X>` || \ :kconfig:`SOC_SERIES_STM32F3X <CONFIG_SOC_SERIES_STM32F3X>`) && !\ :kconfig:`CLOCK_CONTROL_STM32_HAS_DTS <CONFIG_CLOCK_CONTROL_STM32_HAS_DTS>` && !\ :kconfig:`SOC_SERIES_STM32MP1X <CONFIG_SOC_SERIES_STM32MP1X>` && \ :kconfig:`CLOCK_CONTROL_STM32_CUBE <CONFIG_CLOCK_CONTROL_STM32_CUBE>` && \ :kconfig:`CLOCK_CONTROL <CONFIG_CLOCK_CONTROL>`

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

Default
=======

- 1

Kconfig definition
==================



At ``<Zephyr Driver>/clock_control/Kconfig.stm32f0_f3:8``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:42`` → ``<Zephyr Driver>/Kconfig:56`` → ``<Zephyr Driver>/clock_control/Kconfig:25`` → ``<Zephyr Driver>/clock_control/Kconfig.stm32:150``

Menu path: (Top) → Device Drivers → Hardware clock controller support → STM32 Reset & Clock Control

.. code-block:: kconfig

    config CLOCK_STM32_PLL_PREDIV
    	int "PREDIV Prescaler"
    	range 1 16
    	default 1
    	depends on CLOCK_STM32_SYSCLK_SRC_PLL && (SOC_SERIES_STM32F0X || SOC_SERIES_STM32F3X) && !CLOCK_CONTROL_STM32_HAS_DTS && !SOC_SERIES_STM32MP1X && CLOCK_CONTROL_STM32_CUBE && CLOCK_CONTROL
    	help
    	  PREDIV is a PLL clock signal prescaler for the HSE output.
    	  It is supported by those parts that do not support PREDIV1.
    	  If configured on a non-supported part, this config will be ignored.
    	  Allowed values: 1 - 16.

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