:orphan:

.. title:: CONFIG_BT_CTLR_GPIO_CSN_PIN

.. kconfig:: CONFIG_BT_CTLR_GPIO_CSN_PIN

CONFIG_BT_CTLR_GPIO_CSN_PIN
###########################

*FEM CSN pin number*

Type: ``int``

Help
====

.. code-block:: none

    GPIO Pin number connected to the CSN pin of the nRF21540 FEM.

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

\ :kconfig:`BT_CTLR_FEM_NRF21540 <CONFIG_BT_CTLR_FEM_NRF21540>` && \ :kconfig:`BT_LL_SW_SPLIT <CONFIG_BT_LL_SW_SPLIT>` && \ :kconfig:`BT_CTLR <CONFIG_BT_CTLR>` && \ :kconfig:`BT_HCI <CONFIG_BT_HCI>` && \ :kconfig:`BT <CONFIG_BT>`

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

Defaults
========

No defaults. Implicitly defaults to the empty string.

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



At ``<Zephyr Subsystem>/bluetooth/controller/Kconfig.ll_sw_split:760``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:44`` → ``<Zephyr Subsystem>/Kconfig:9`` → ``<Zephyr Subsystem>/bluetooth/Kconfig:175`` → ``<Zephyr Subsystem>/bluetooth/controller/Kconfig:659``

Menu path: (Top) → Sub Systems and OS Services → Bluetooth → Bluetooth Controller → nRF21540 GPIO interface

.. code-block:: kconfig

    config BT_CTLR_GPIO_CSN_PIN
    	int "FEM CSN pin number"
    	range 0 47 if SOC_NRF52840 || SOC_NRF5340_CPUNET
    	range 0 31
    	depends on BT_CTLR_FEM_NRF21540 && BT_LL_SW_SPLIT && BT_CTLR && BT_HCI && BT
    	help
    	  GPIO Pin number connected to the CSN pin of the nRF21540 FEM.

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