:orphan:

.. title:: MODEM_HL7800_PSM_PERIODIC_TAU

.. option:: CONFIG_MODEM_HL7800_PSM_PERIODIC_TAU

*Requested extended periodic TAU timer*

Type: ``string``

Help
====

Requested extended periodic TAU (tracking area update) value (T3412)
to be allocated to the UE in E-UTRAN. One byte in an 8-bit format.
Default value is 1 minute.

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

\ :option:`MODEM_HL7800_PSM <CONFIG_MODEM_HL7800_PSM>` && \ :option:`MODEM_HL7800_LOW_POWER_MODE <CONFIG_MODEM_HL7800_LOW_POWER_MODE>` && \ :option:`MODEM_HL7800 <CONFIG_MODEM_HL7800>` && \ :option:`MODEM <CONFIG_MODEM>`

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

Default
=======

- "10000010"

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

.. highlight:: kconfig

At ``drivers/modem/Kconfig.hl7800:226``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:32`` → ``drivers/Kconfig:82`` → ``drivers/modem/Kconfig:141``

Menu path: (Top) → Device Drivers → Modem Drivers → Enable Sierra Wireless HL7800 modem driver → Enable low power modes

.. parsed-literal::

    config MODEM_HL7800_PSM_PERIODIC_TAU
    	string "Requested extended periodic TAU timer"
    	default "10000010"
    	depends on \ :option:`MODEM_HL7800_PSM <CONFIG_MODEM_HL7800_PSM>` && \ :option:`MODEM_HL7800_LOW_POWER_MODE <CONFIG_MODEM_HL7800_LOW_POWER_MODE>` && \ :option:`MODEM_HL7800 <CONFIG_MODEM_HL7800>` && \ :option:`MODEM <CONFIG_MODEM>`
    	help
    	  Requested extended periodic TAU (tracking area update) value (T3412)
    	  to be allocated to the UE in E-UTRAN. One byte in an 8-bit format.
    	  Default value is 1 minute.

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