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.. zephyr:board:: frdm_mcxw23
Overview
********
The FRDM-MCXW23 is a compact and scalable development board featuring
the MCX W23 Bluetooth Low Energy (LE) 5.3 wireless MCU. The board is
ideal for prototyping battery-powered, miniaturized devices within portable
medical, home appliance and automation, and asset tracking applications.
Equipped with an on-board accelerometer, temperature sensor, data flash
and LED's, it operates from a 3V coincell with integrated buck DCDC or from
the USB bus power. The board offers easy evaluation and rapid prototyping of
the MCX W23 wireless MCU.
Hardware
********
- MCXW23 Arm® Cortex®-M33 microcontroller running at up to 32 MHz
- 1 MB flash and 128 KB SRAM on-chip
- 40HVQFN package
- On-board MCU-Link debugger with CMSIS-DAP
- Tri-color LED
- Reset, ISP, wake, and user buttons for easy testing of software functionality
- NXP FXLS8974CFR3 accelerometer
- P3T1755 temperature sensor
- 64Mbit (8MB) on board NOR FLASH
- Arduino Header, mikroBUS, Pmod
For more information about the MCXW236 SoC and FRDM-MCXW23 board, see:
- `MCXW23 SoC Website`_
- `MCXW23 Datasheet`_
- `MCXW23 Reference Manual`_
- `FRDM-MCXW23 Website`_
- `FRDM-MCXW23 User Manual`_
- `FRDM-MCXW23 Development Board Design Files`_
Supported Features
==================
.. zephyr:board-supported-hw::
Connections and IOs
===================
The MCXW23 SoC has IOCON registers, which can be used to configure
the functionality of a pin.
+---------+-----------------+----------------------------+
| Name | Function | Usage |
+=========+=================+============================+
| PIO0_20 | GPIO | ISP SW3 |
+---------+-----------------+----------------------------+
| PIO0_6 | SPI | SPI MOSI |
+---------+-----------------+----------------------------+
| PIO0_2 | USART | USART RX |
+---------+-----------------+----------------------------+
| PIO0_3 | USART | USART TX |
+---------+-----------------+----------------------------+
| PIO0_5 | SPI | SPI SSEL0 |
+---------+-----------------+----------------------------+
| PIO0_8 | SPI | SPI SSEL1 |
+---------+-----------------+----------------------------+
| PIO0_10 | SPI | SPI SCK |
+---------+-----------------+----------------------------+
| PIO0_7 | SPI | SPI MISO |
+---------+-----------------+----------------------------+
| PIO0_1 | GPIO | RED LED |
+---------+-----------------+----------------------------+
| PIO0_4 | GPIO | BLUE_LED |
+---------+-----------------+----------------------------+
| PIO0_0 | GPIO | GREEN LED |
+---------+-----------------+----------------------------+
| PIO0_19 | GPIO | USER LED |
+---------+-----------------+----------------------------+
| PIO0_18 | GPIO | USR SW2 |
+---------+-----------------+----------------------------+
| PIO0_21 | GPIO | Wakeup SW5 |
+---------+-----------------+----------------------------+
| PIO0_14 | I2C | I2C SCL |
+---------+-----------------+----------------------------+
| PIO0_13 | I2C | I2C SDA |
+---------+-----------------+----------------------------+
| PIO0_15 | GPIO | FXLS8974CFR3 INT1 |
+---------+-----------------+----------------------------+
| PIO0_16 | GPIO | FXLS8974CFR3 INT2 |
+---------+-----------------+----------------------------+
| PIO0_16 | GPIO | P3T1755 INT2 |
+---------+-----------------+----------------------------+
System Clock
============
The MCXW23 SoC is configured to use FRO running at 32 MHz as a system clock source.
Serial Port
===========
The MCXW23 SoC has 3 FLEXCOMM interfaces for serial
communication. One is configured as USART for the console, one is
configured for I2C, and the other one is configured for SPI.
Fetch Binary Blobs
******************
To support Bluetooth, frdm_mcxw23 requires fetching controller lib blobs, which can be
achieved by running the following command:
.. code-block:: console
west blobs fetch hal_nxp
Programming and Debugging
*************************
.. zephyr:board-supported-runners::
Build and flash applications as usual (see :ref:`build_an_application`
and :ref:`application_run` for more details).
Configuring a Debug Probe
=========================
A debug probe is used for both flashing and debugging the board. This board is
configured by default to use the MCU-Link CMSIS-DAP Onboard Debug Probe.
Using LinkServer
----------------
Linkserver is the default runner for this board, and supports the factory
default MCU-Link firmware. Follow the instructions in
:ref:`mcu-link-cmsis-onboard-debug-probe` to reprogram the default MCU-Link
firmware. This only needs to be done if the default onboard debug circuit
firmware was changed. To put the board in ``DFU mode`` to program the firmware,
short jumper JP5.
Using J-Link
------------
There are two options. The onboard debug circuit can be updated with Segger
J-Link firmware by following the instructions in
:ref:`mcu-link-jlink-onboard-debug-probe`.
To be able to program the firmware, you need to put the board in ``DFU mode``
by shortening the jumper JP5.
The second option is to attach a :ref:`jlink-external-debug-probe` to the
10-pin SWD connector (J12) of the board. Additionally, the jumper JP7 must
be shortened.
For both options use the ``-r jlink`` option with west to use the jlink runner.
.. code-block:: console
west flash -r jlink
Configuring a Console
=====================
Connect a USB cable from your PC to J10, and use the serial terminal of your choice
(minicom, putty, etc.) with the following settings:
- Speed: 115200
- Data: 8 bits
- Parity: None
- Stop bits: 1
Flashing
========
Here is an example for the :zephyr:code-sample:`hello_world` application.
.. zephyr-app-commands::
:zephyr-app: samples/hello_world
:board: frdm_mcxw23
:goals: flash
Open a serial terminal, reset the board (press the RESET button), and you should
see the following message in the terminal:
.. code-block:: console
*** Booting Zephyr OS build v4.2.0-2105-g48f2ffda26de ***
Hello World! frdm_mcxw23/mcxw236
Debugging
=========
Here is an example for the :zephyr:code-sample:`hello_world` application.
.. zephyr-app-commands::
:zephyr-app: samples/hello_world
:board: frdm_mcxw23
:goals: debug
Open a serial terminal, step through the application in your debugger, and you
should see the following message in the terminal:
.. code-block:: console
*** Booting Zephyr OS build v4.2.0-2105-g48f2ffda26de ***
Hello World! frdm_mcxw23/mcxw236
.. include:: ../../common/board-footer.rst.inc
.. _MCXW23 SoC Website:
https://www.nxp.com/products/MCX-W23
.. _MCXW23 Datasheet:
https://www.nxp.com/docs/en/data-sheet/MCXW23.pdf
.. _MCXW23 Reference Manual:
https://www.nxp.com/webapp/Download?colCode=MCXW23RM
.. _FRDM-MCXW23 Website:
https://www.nxp.com/design/design-center/development-boards-and-designs/FRDM-MCXW23
.. _FRDM-MCXW23 User Manual:
https://www.nxp.com/webapp/Download?colCode=UM12359
.. _FRDM-MCXW23 Development Board Design Files:
https://www.nxp.com/downloads/en/design-support/FRDM-MCXW23-Design-Files.zip