:orphan:

.. title:: UART_1_NRF_TX_BUFFER_SIZE

.. option:: CONFIG_UART_1_NRF_TX_BUFFER_SIZE

*Size of RAM buffer*

Type: ``int``

Help
====

Size of the transmit buffer for API function: fifo_fill.
This value is limited by range of TXD.MAXCNT register for
particular SoC.

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

\ :option:`UART_INTERRUPT_DRIVEN <CONFIG_UART_INTERRUPT_DRIVEN>` && \ :option:`UART_1_NRF_UARTE <CONFIG_UART_1_NRF_UARTE>` && \ :option:`UART_NRFX <CONFIG_UART_NRFX>` && \ :option:`SERIAL <CONFIG_SERIAL>`

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

Default
=======

- 32

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

.. highlight:: kconfig

At ``drivers/serial/Kconfig.nrfx:140``

Included via ``Kconfig:8`` → ``Kconfig.zephyr:32`` → ``drivers/Kconfig:24`` → ``drivers/serial/Kconfig:93``

Menu path: (Top) → Device Drivers → Serial Drivers → nRF UART nrfx drivers

.. parsed-literal::

    config UART_1_NRF_TX_BUFFER_SIZE
    	int "Size of RAM buffer"
    	range 1 65535
    	default 32
    	depends on \ :option:`UART_INTERRUPT_DRIVEN <CONFIG_UART_INTERRUPT_DRIVEN>` && \ :option:`UART_1_NRF_UARTE <CONFIG_UART_1_NRF_UARTE>` && \ :option:`UART_NRFX <CONFIG_UART_NRFX>` && \ :option:`SERIAL <CONFIG_SERIAL>`
    	help
    	  Size of the transmit buffer for API function: fifo_fill.
    	  This value is limited by range of TXD.MAXCNT register for
    	  particular SoC.

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