..  Copyright (c) 2014-present PlatformIO <contact@platformio.org>
    Licensed under the Apache License, Version 2.0 (the "License");
    you may not use this file except in compliance with the License.
    You may obtain a copy of the License at
       http://www.apache.org/licenses/LICENSE-2.0
    Unless required by applicable law or agreed to in writing, software
    distributed under the License is distributed on an "AS IS" BASIS,
    WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
    See the License for the specific language governing permissions and
    limitations under the License.

.. _debugging_tool_jlink:

J-LINK
======

.. image:: ../../_static/images/debug_probes/jlink.png
  :target: https://www.segger.com/jlink-debug-probes.html?utm_source=platformio&utm_medium=docs

SEGGER J-Links are the most widely used line of debug probes available today.
They've proven their value for more than 10 years with over 400,000 units sold,
including OEM versions and on-board solutions. This popularity stems from the
unparalleled performance, extensive feature set, large number of supported
CPUs, and compatibility with all popular development environments.
Official reference can be found `here <https://www.segger.com/jlink-debug-probes.html?utm_source=platformio&utm_medium=docs>`__.

* `J-Link Supported Devices <https://www.segger.com/downloads/supported_devices_jlink.php?utm_source=platformio&utm_medium=docs>`__

Also, see :ref:`debugging_tool_custom` debugging configuration with
J-Link GDB Server.

.. contents:: Contents
    :local:

Configuration
-------------

You can configure debugging tool using :ref:`projectconf_debug_tool` option in
:ref:`projectconf`:

.. code-block:: ini

    [env:myenv]
    platform = ...
    board = ...
    debug_tool = jlink

If you would like to use this tool for firmware uploading, please change
upload protocol:

.. code-block:: ini

    [env:myenv]
    platform = ...
    board = ...
    debug_tool = jlink

    ; SWD interface
    upload_protocol = jlink

    ; JTAG interface
    upload_protocol = jlink-jtag

More options:

* :ref:`projectconf_section_env_debug`
* :ref:`projectconf_section_env_upload`

Custom Server
~~~~~~~~~~~~~

.. code-block:: ini

    [env:debug_jlink]
    platform = ststm32
    framework = mbed
    board = nucleo_f446re

    debug_tool = jlink
    debug_port = :2331

    debug_server =
      /full/path/to/JLinkGDBServerCL
      -singlerun
      -if
      SWD
      -select
      USB
      -port
      2331
      -device
      STM32F446RE

Drivers
-------

:Windows:
  1. Start debugging session using :ref:`pioide`. PlatformIO will install
     J-Link software dependencies
  2. Navigate to :ref:`projectconf_pio_core_dir`/packages/tool-jlink/USBDriver
  3. Run ``InstDrivers.exe``.

:Mac:
  Not required.

:Linux:
  Please install "udev" rules :ref:`faq_udev_rules`. If you already installed
  them before, please check that your rules are up-to-date or repeat steps.

Wiring Connections
------------------

.. image:: ../../_static/images/debug_probes/generic_jtag_swd_connector.jpg

JTAG Interface
~~~~~~~~~~~~~~

.. list-table::
  :header-rows:  1

  * - J-Link JTAG 20-Pin Connector
    - Board JTAG Pin
    - Description
  * - 1
    - VCC
    - Positive Supply Voltage — Power supply for JTAG interface drivers
  * - 4
    - GND
    - Digital ground
  * - 5
    - TDI
    - Test Data In pin
  * - 7
    - TMS
    - Test Mode State pin
  * - 9
    - TCK
    - JTAG Return Test Clock
  * - 13
    - TDO
    - Test Data Out pin
  * - 15
    - RESET
    - Connect this pin to the (active low) reset input of the target CPU (EN for ESP32)

Serial Wire Mode Interface (SWD)
~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

.. list-table::
  :header-rows:  1

  * - J-Link SWD 20-Pin Connector
    - Board SWD Pin
    - Description
  * - 1
    - VCC
    - Positive Supply Voltage — Power supply for JTAG interface drivers
  * - 4
    - GND
    - Digital ground
  * - 7
    - SWDIO
    - Data I/O
  * - 9
    - SWCLK
    - Clock
  * - 15
    - RESET
    - Connect this pin to the (active low) reset input of the target CPU

.. begin_platforms

Platforms
---------
.. list-table::
    :header-rows:  1

    * - Name
      - Description

    * - :ref:`platform_aceinna_imu`
      - Open-source, embedded development platform for Aceinna IMU hardware. Run custom algorithms and navigation code on Aceinna IMU/INS hardware.

    * - :ref:`platform_atmelsam`
      - Atmel | SMART offers Flash- based ARM products based on the ARM Cortex-M0+, Cortex-M3 and Cortex-M4 architectures, ranging from 8KB to 2MB of Flash including a rich peripheral and feature mix.

    * - :ref:`platform_espressif32`
      - Espressif Systems is a privately held fabless semiconductor company. They provide wireless communications and Wi-Fi chips which are widely used in mobile devices and the Internet of Things applications.

    * - :ref:`platform_freescalekinetis`
      - Freescale Kinetis Microcontrollers is family of multiple hardware- and software-compatible ARM Cortex-M0+, Cortex-M4 and Cortex-M7-based MCU series. Kinetis MCUs offer exceptional low-power performance, scalability and feature integration.

    * - :ref:`platform_gd32v`
      - The GigaDevice GD32V device is a 32-bit general-purpose microcontroller based on the RISC-V core with an impressive balance of processing power, reduced power consumption and peripheral set.

    * - :ref:`platform_infineonxmc`
      - Infineon has designed the XMC microcontrollers for real-time critical applications with an industry-standard core. The XMC microcontrollers can be integrated with the Arduino platform

    * - :ref:`platform_kendryte210`
      - Kendryte K210 is an AI capable RISCV64 dual core SoC.

    * - :ref:`platform_maxim32`
      - Maxim's microcontrollers provide low-power, efficient, and secure solutions for challenging embedded applications. Maxim's processors embed cutting-edge technologies to secure data and intellectual property, proven analog circuitry for real-world applications, and battery-conserving low power operation.

    * - :ref:`platform_nordicnrf51`
      - The Nordic nRF51 Series is a family of highly flexible, multi-protocol, system-on-chip (SoC) devices for ultra-low power wireless applications. nRF51 Series devices support a range of protocol stacks including Bluetooth Smart (previously called Bluetooth low energy), ANT and proprietary 2.4GHz protocols such as Gazell.

    * - :ref:`platform_nordicnrf52`
      - The nRF52 Series are built for speed to carry out increasingly complex tasks in the shortest possible time and return to sleep, conserving precious battery power. They have a Cortex-M4F processor and are the most capable Bluetooth Smart SoCs on the market.

    * - :ref:`platform_nuclei`
      - Find professional RISC-V Processor IP in Nuclei, first professional RISC-V IP company in Mainland China, match all your requirements in AIoT Era.

    * - :ref:`platform_nxpimxrt`
      - The i.MX RT series of crossover processors features the Arm Cortex-M core, real-time functionality and MCU usability at a cost-effective price.

    * - :ref:`platform_nxplpc`
      - The NXP LPC is a family of 32-bit microcontroller integrated circuits by NXP Semiconductors. The LPC chips are grouped into related series that are based around the same 32-bit ARM processor core, such as the Cortex-M4F, Cortex-M3, Cortex-M0+, or Cortex-M0. Internally, each microcontroller consists of the processor core, static RAM memory, flash memory, debugging interface, and various peripherals.

    * - :ref:`platform_shakti`
      - Shakti is an open-source initiative by the RISE group at IIT-Madras, which is not only building open source, production grade processors, but also associated components like interconnect fabrics, verification tools, storage controllers, peripheral IPs and SOC tools.

    * - :ref:`platform_sifive`
      - SiFive brings the power of open source and software automation to the semiconductor industry, making it possible to develop new hardware faster and more affordably than ever before. 

    * - :ref:`platform_siliconlabsefm32`
      - Silicon Labs EFM32 Gecko 32-bit microcontroller (MCU) family includes devices that offer flash memory configurations up to 256 kB, 32 kB of RAM and CPU speeds up to 48 MHz. Based on the powerful ARM Cortex-M core, the Gecko family features innovative low energy techniques, short wake-up time from energy saving modes and a wide selection of peripherals, making it ideal for battery operated applications and other systems requiring high performance and low-energy consumption.

    * - :ref:`platform_ststm32`
      - The STM32 family of 32-bit Flash MCUs based on the ARM Cortex-M processor is designed to offer new degrees of freedom to MCU users. It offers a 32-bit product range that combines very high performance, real-time capabilities, digital signal processing, and low-power, low-voltage operation, while maintaining full integration and ease of development.

    * - :ref:`platform_teensy`
      - Teensy is a complete USB-based microcontroller development system, in a very small footprint, capable of implementing many types of projects. All programming is done via the USB port. No special programmer is needed, only a standard USB cable and a PC or Macintosh with a USB port.

    * - :ref:`platform_wiznet7500`
      - The IOP (Internet Offload Processor) W7500 is the one-chip solution which integrates an ARM Cortex-M0, 128KB Flash and hardwired TCP/IP core for various embedded application platform especially requiring Internet of things

Frameworks
----------
.. list-table::
    :header-rows:  1

    * - Name
      - Description

    * - :ref:`framework_arduino`
      - Arduino Wiring-based Framework allows writing cross-platform software to control devices attached to a wide range of Arduino boards to create all kinds of creative coding, interactive objects, spaces or physical experiences.

    * - :ref:`framework_cmsis`
      - The ARM Cortex Microcontroller Software Interface Standard (CMSIS) is a vendor-independent hardware abstraction layer for the Cortex-M processor series and specifies debugger interfaces. The CMSIS enables consistent and simple software interfaces to the processor for interface peripherals, real-time operating systems, and middleware. It simplifies software re-use, reducing the learning curve for new microcontroller developers and cutting the time-to-market for devices.

    * - :ref:`framework_espidf`
      - Espressif IoT Development Framework. Official development framework for ESP32.

    * - :ref:`framework_freedom-e-sdk`
      - Open Source Software for Developing on the SiFive Freedom E Platform

    * - :ref:`framework_gd32vf103-sdk`
      - GigaDevice GD32VF103 Firmware Library (SDK)

    * - :ref:`framework_kendryte-standalone-sdk`
      - Kendryte Standalone SDK without OS support

    * - :ref:`framework_kendryte-freertos-sdk`
      - Kendryte SDK with FreeRTOS support

    * - :ref:`framework_libopencm3`
      - The libOpenCM3 framework aims to create a free/libre/open-source firmware library for various ARM Cortex-M0(+)/M3/M4 microcontrollers, including ST STM32, Ti Tiva and Stellaris, NXP LPC 11xx, 13xx, 15xx, 17xx parts, Atmel SAM3, Energy Micro EFM32 and others.

    * - :ref:`framework_mbed`
      - The mbed framework The mbed SDK has been designed to provide enough hardware abstraction to be intuitive and concise, yet powerful enough to build complex projects. It is built on the low-level ARM CMSIS APIs, allowing you to code down to the metal if needed. In addition to RTOS, USB and Networking libraries, a cookbook of hundreds of reusable peripheral and module libraries have been built on top of the SDK by the mbed Developer Community.

    * - :ref:`framework_nuclei-sdk`
      - Open Source Software Development Kit for the Nuclei N/NX processors

    * - :ref:`framework_shakti-sdk`
      - A software development kit for developing applications on Shakti class of processors

    * - :ref:`framework_simba`
      - Simba is an RTOS and build framework. It aims to make embedded programming easy and portable.

    * - :ref:`framework_spl`
      - The ST Standard Peripheral Library provides a set of functions for handling the peripherals on the STM32 Cortex-M3 family. The idea is to save the user (the new user, in particular) having to deal directly with the registers.

    * - :ref:`framework_stm32cube`
      - STM32Cube embedded software libraries, including: The HAL hardware abstraction layer, enabling portability between different STM32 devices via standardized API calls; The Low-Layer (LL) APIs, a light-weight, optimized, expert oriented set of APIs designed for both performance and runtime efficiency.

    * - :ref:`framework_zephyr`
      - The Zephyr Project is a scalable real-time operating system (RTOS) supporting multiple hardware architectures, optimized for resource constrained devices, and built with safety and security in mind.

Boards
------

.. note::
    For more detailed ``board`` information please scroll tables below by horizontal.


.. list-table::
    :header-rows:  1

    * - Name
      - Platform
      - Debug
      - MCU
      - Frequency
      - Flash
      - RAM
    * - :ref:`board_ststm32_1bitsy_stm32f415rgt`
      - :ref:`platform_ststm32`
      - External
      - STM32F415RGT
      - 168MHz
      - 1MB
      - 128KB
    * - :ref:`board_ststm32_disco_f412zg`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F412ZGT6
      - 100MHz
      - 1MB
      - 256KB
    * - :ref:`board_ststm32_disco_f723ie`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F723IEK6
      - 216MHz
      - 512KB
      - 192KB
    * - :ref:`board_ststm32_armed_v1`
      - :ref:`platform_ststm32`
      - External
      - STM32F407VET6
      - 168MHz
      - 512KB
      - 192KB
    * - :ref:`board_ststm32_rumba32_f446ve`
      - :ref:`platform_ststm32`
      - External
      - STM32F446RET6
      - 180MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_remram_v1`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F765VIT6
      - 216MHz
      - 2MB
      - 512KB
    * - :ref:`board_ststm32_st3dp001_eval`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F401VGT6
      - 84MHz
      - 512KB
      - 96KB
    * - :ref:`board_ststm32_b96b_argonkey`
      - :ref:`platform_ststm32`
      - External
      - STM32F412CG
      - 100MHz
      - 1MB
      - 256KB
    * - :ref:`board_ststm32_b96b_f446ve`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F446VET6
      - 168MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_b96b_neonkey`
      - :ref:`platform_ststm32`
      - External
      - STM32F411CE
      - 100MHz
      - 512KB
      - 128KB
    * - :ref:`board_nordicnrf52_96b_nitrogen`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_espressif32_esp32cam`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_alksesp32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_nxplpc_lpc11u24_301`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC11U24
      - 48MHz
      - 32KB
      - 8KB
    * - :ref:`board_espressif32_az-delivery-devkit-v4`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 16MB
      - 520KB
    * - :ref:`board_aceinna_imu_LowCostRTK`
      - :ref:`platform_aceinna_imu`
      - On-board
      - STM32F469NIH6
      - 180MHz
      - 1MB
      - 384KB
    * - :ref:`board_aceinna_imu_OpenIMU300`
      - :ref:`platform_aceinna_imu`
      - External
      - STM32F405RG
      - 120MHz
      - 1MB
      - 128KB
    * - :ref:`board_aceinna_imu_OpenIMU300ZA`
      - :ref:`platform_aceinna_imu`
      - External
      - STM32F405RG
      - 120MHz
      - 1MB
      - 128KB
    * - :ref:`board_aceinna_imu_OpenIMU330`
      - :ref:`platform_aceinna_imu`
      - External
      - STM32L431CB
      - 80MHz
      - 128KB
      - 64KB
    * - :ref:`board_aceinna_imu_OpenRTK`
      - :ref:`platform_aceinna_imu`
      - External
      - STM32F469IG
      - 180MHz
      - 1MB
      - 384KB
    * - :ref:`board_aceinna_imu_OpenRTK330L`
      - :ref:`platform_aceinna_imu`
      - External
      - STM32F469IG
      - 180MHz
      - 1MB
      - 384KB
    * - :ref:`board_nordicnrf52_adafruit_feather_nrf52832`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_atmelsam_adafruit_circuitplayground_m0`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_adafruit_crickit_m0`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_espressif32_featheresp32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_nordicnrf52_adafruit_feather_nrf52840_sense`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52840
      - 64MHz
      - 796KB
      - 243KB
    * - :ref:`board_atmelsam_adafruit_feather_m0`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_adafruit_feather_m0_express`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_adafruit_feather_m4`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51J19A
      - 120MHz
      - 512KB
      - 192KB
    * - :ref:`board_ststm32_adafruit_feather_f405`
      - :ref:`platform_ststm32`
      - External
      - STM32F405RGT6
      - 168MHz
      - 1MB
      - 128KB
    * - :ref:`board_nordicnrf52_adafruit_feather_nrf52840`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52840
      - 64MHz
      - 796KB
      - 243KB
    * - :ref:`board_atmelsam_adafruit_gemma_m0`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21E18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_adafruit_grandcentral_m4`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51P20A
      - 120MHz
      - 1MB
      - 256KB
    * - :ref:`board_atmelsam_adafruit_hallowing`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_adafruit_hallowing_m4`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51J19A
      - 120MHz
      - 496KB
      - 192KB
    * - :ref:`board_atmelsam_adafruit_itsybitsy_m0`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_adafruit_itsybitsy_m4`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51G19A
      - 120MHz
      - 512KB
      - 192KB
    * - :ref:`board_atmelsam_adafruit_monster_m4sk`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51G19A
      - 120MHz
      - 496KB
      - 192KB
    * - :ref:`board_atmelsam_adafruit_metro_m0`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_adafruit_metro_m4`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51J19A
      - 120MHz
      - 512KB
      - 192KB
    * - :ref:`board_atmelsam_adafruit_metro_m4_airliftlite`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51J19A
      - 120MHz
      - 512KB
      - 192KB
    * - :ref:`board_atmelsam_adafruit_pygamer_advance_m4`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51J20A
      - 120MHz
      - 1MB
      - 256KB
    * - :ref:`board_atmelsam_adafruit_pygamer_m4`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51J19A
      - 120MHz
      - 512KB
      - 192KB
    * - :ref:`board_atmelsam_adafruit_pyportal_m4`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51J20A
      - 120MHz
      - 1MB
      - 256KB
    * - :ref:`board_atmelsam_adafruit_pyportal_m4_titano`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51J20A
      - 120MHz
      - 1MB
      - 256KB
    * - :ref:`board_atmelsam_adafruit_trellis_m4`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51J19A
      - 120MHz
      - 512KB
      - 192KB
    * - :ref:`board_atmelsam_adafruit_trinket_m0`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21E18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_adafruit_pirkey`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21E18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_adafruit_pybadge_airlift_m4`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51J20A
      - 120MHz
      - 1008KB
      - 192KB
    * - :ref:`board_atmelsam_adafruit_pybadge_m4`
      - :ref:`platform_atmelsam`
      - External
      - SAMD51J19A
      - 120MHz
      - 512KB
      - 192KB
    * - :ref:`board_ststm32_afroflight_f103cb`
      - :ref:`platform_ststm32`
      - External
      - STM32F103CBT6
      - 72MHz
      - 128KB
      - 20KB
    * - :ref:`board_atmelsam_due`
      - :ref:`platform_atmelsam`
      - External
      - AT91SAM3X8E
      - 84MHz
      - 512KB
      - 96KB
    * - :ref:`board_atmelsam_dueUSB`
      - :ref:`platform_atmelsam`
      - External
      - AT91SAM3X8E
      - 84MHz
      - 512KB
      - 96KB
    * - :ref:`board_atmelsam_mzeroUSB`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_mzeroproUSB`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_mzeropro`
      - :ref:`platform_atmelsam`
      - On-board
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_mkrfox1200`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_mkrgsm1400`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_mkrnb1500`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_mkrwan1300`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_mkrwan1310`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_mkrwifi1010`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_mkr1000USB`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_mkrzero`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_nordicnrf52_nano33ble`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52840
      - 64MHz
      - 960KB
      - 256KB
    * - :ref:`board_atmelsam_tian`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_zero`
      - :ref:`platform_atmelsam`
      - On-board
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_zeroUSB`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_ststm32_armstrap_eagle1024`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F417VGT6
      - 168MHz
      - 1MB
      - 192KB
    * - :ref:`board_ststm32_armstrap_eagle2048`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F427VIT6
      - 168MHz
      - 1.99MB
      - 256KB
    * - :ref:`board_ststm32_armstrap_eagle512`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F407VET6
      - 168MHz
      - 512KB
      - 192KB
    * - :ref:`board_shakti_artix7_35t`
      - :ref:`platform_shakti`
      - On-board
      - E-CLASS
      - 50MHz
      - 0B
      - 128KB
    * - :ref:`board_shakti_artix7_100t`
      - :ref:`platform_shakti`
      - On-board
      - C-CLASS
      - 50MHz
      - 0B
      - 128MB
    * - :ref:`board_sifive_e310-arty`
      - :ref:`platform_sifive`
      - On-board
      - FE310
      - 450MHz
      - 16MB
      - 256MB
    * - :ref:`board_atmelsam_samr21_xpro`
      - :ref:`platform_atmelsam`
      - On-board
      - SAMR21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_samd21g18a`
      - :ref:`platform_atmelsam`
      - On-board
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_samc21_xpro`
      - :ref:`platform_atmelsam`
      - On-board
      - SAMC21J18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_samd21_xpro`
      - :ref:`platform_atmelsam`
      - On-board
      - SAMD21J18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_saml21_xpro_b`
      - :ref:`platform_atmelsam`
      - On-board
      - SAML21J18B
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_nordicnrf51_bbcmicrobit`
      - :ref:`platform_nordicnrf51`
      - On-board
      - NRF51822
      - 16MHz
      - 256KB
      - 16KB
    * - :ref:`board_nordicnrf52_laird_bl652_dvk`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_nordicnrf52_laird_bl654_dvk`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52840
      - 64MHz
      - 1MB
      - 256KB
    * - :ref:`board_nxplpc_lpc4330_m4`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC4330
      - 204MHz
      - 8MB
      - 264KB
    * - :ref:`board_ststm32_black_f407ve`
      - :ref:`platform_ststm32`
      - External
      - STM32F407VET6
      - 168MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_black_f407vg`
      - :ref:`platform_ststm32`
      - External
      - STM32F407VGT6
      - 168MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_black_f407ze`
      - :ref:`platform_ststm32`
      - External
      - STM32F407ZET6
      - 168MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_black_f407zg`
      - :ref:`platform_ststm32`
      - External
      - STM32F407ZGT6
      - 168MHz
      - 1MB
      - 128KB
    * - :ref:`board_ststm32_blackpill_f103c8`
      - :ref:`platform_ststm32`
      - External
      - STM32F103C8T6
      - 72MHz
      - 64KB
      - 20KB
    * - :ref:`board_ststm32_blackpill_f103c8_128`
      - :ref:`platform_ststm32`
      - External
      - STM32F103C8T6
      - 72MHz
      - 128KB
      - 20KB
    * - :ref:`board_ststm32_robotdyn_blackpill_f303cc`
      - :ref:`platform_ststm32`
      - External
      - STM32F303CCT6
      - 72MHz
      - 256KB
      - 40KB
    * - :ref:`board_ststm32_blackpill_f401cc`
      - :ref:`platform_ststm32`
      - External
      - STM32F401CCT6
      - 84MHz
      - 256KB
      - 64KB
    * - :ref:`board_ststm32_blue_f407ve_mini`
      - :ref:`platform_ststm32`
      - External
      - STM32F407VET6
      - 168MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_bluepill_f103c6`
      - :ref:`platform_ststm32`
      - External
      - STM32F103C6T6
      - 72MHz
      - 32KB
      - 10KB
    * - :ref:`board_ststm32_bluepill_f103c8`
      - :ref:`platform_ststm32`
      - External
      - STM32F103C8T6
      - 72MHz
      - 64KB
      - 20KB
    * - :ref:`board_ststm32_bluepill_f103c8_128k`
      - :ref:`platform_ststm32`
      - External
      - STM32F103C8T6
      - 72MHz
      - 128KB
      - 20KB
    * - :ref:`board_nordicnrf52_bluey`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_nordicnrf51_bluz_dk`
      - :ref:`platform_nordicnrf51`
      - External
      - NRF51822
      - 32MHz
      - 256KB
      - 32KB
    * - :ref:`board_espressif32_briki_abc_esp32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 3.25MB
      - 320KB
    * - :ref:`board_atmelsam_briki_abc_samd21`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_espressif32_briki_mbc-wb_esp32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 3.25MB
      - 320KB
    * - :ref:`board_atmelsam_briki_mbcwb_samd21`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_nxplpc_lpc11u35_501`
      - :ref:`platform_nxplpc`
      - External
      - LPC11U35
      - 48MHz
      - 64KB
      - 10KB
    * - :ref:`board_nordicnrf51_calliope_mini`
      - :ref:`platform_nordicnrf51`
      - On-board
      - NRF51822
      - 16MHz
      - 256KB
      - 16KB
    * - :ref:`board_nordicnrf52_adafruit_cplaynrf52840`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52840
      - 64MHz
      - 796KB
      - 243KB
    * - :ref:`board_nxplpc_elektor_cocorico`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC812
      - 30MHz
      - 16KB
      - 4KB
    * - :ref:`board_ststm32_coreboard_f401rc`
      - :ref:`platform_ststm32`
      - External
      - STM32F401RCT6
      - 84MHz
      - 256KB
      - 64KB
    * - :ref:`board_espressif32_d-duino-32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_esp32doit-devkit-v1`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_nordicnrf52_delta_dfbm_nq620`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_ststm32_demo_f030f4`
      - :ref:`platform_ststm32`
      - External
      - STM32F030F4P6
      - 48MHz
      - 16KB
      - 4KB
    * - :ref:`board_atmelsam_digix`
      - :ref:`platform_atmelsam`
      - External
      - AT91SAM3X8E
      - 84MHz
      - 512KB
      - 96KB
    * - :ref:`board_nxplpc_lpc1347`
      - :ref:`platform_nxplpc`
      - External
      - LPC1347
      - 72MHz
      - 64KB
      - 12KB
    * - :ref:`board_espressif32_pocket_32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_nxplpc_lpc11u35`
      - :ref:`platform_nxplpc`
      - External
      - LPC11U35
      - 48MHz
      - 64KB
      - 10KB
    * - :ref:`board_siliconlabsefm32_efm32gg_stk3700`
      - :ref:`platform_siliconlabsefm32`
      - On-board
      - EFM32GG990F1024
      - 48MHz
      - 1MB
      - 128KB
    * - :ref:`board_siliconlabsefm32_efm32lg_stk3600`
      - :ref:`platform_siliconlabsefm32`
      - On-board
      - EFM32LG990F256
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_siliconlabsefm32_efm32wg_stk3800`
      - :ref:`platform_siliconlabsefm32`
      - On-board
      - EFM32WG990F256
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_siliconlabsefm32_efm32zg_stk3200`
      - :ref:`platform_siliconlabsefm32`
      - On-board
      - EFM32ZG222F32
      - 24MHz
      - 32KB
      - 4KB
    * - :ref:`board_espressif32_fm-devkit`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_esp32vn-iot-uno`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_espectro32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_espino32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_nordicnrf52_electronut_blip`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52840
      - 64MHz
      - 1MB
      - 256KB
    * - :ref:`board_nordicnrf52_electronut_papyr`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52840
      - 64MHz
      - 1MB
      - 256KB
    * - :ref:`board_nxplpc_lpc4088_dm`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC4088
      - 120MHz
      - 512KB
      - 96KB
    * - :ref:`board_nxplpc_lpc4088`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC4088
      - 120MHz
      - 512KB
      - 96KB
    * - :ref:`board_ststm32_elmo_f411re`
      - :ref:`platform_ststm32`
      - External
      - STM32F411RET6
      - 100MHz
      - 512KB
      - 128KB
    * - :ref:`board_espressif32_esp-wrover-kit`
      - :ref:`platform_espressif32`
      - On-board
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_esp32dev`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_freescalekinetis_IBMEthernetKit`
      - :ref:`platform_freescalekinetis`
      - On-board
      - MK64FN1M0VLL12
      - 120MHz
      - 1MB
      - 256KB
    * - :ref:`board_ststm32_diymore_f407vgt`
      - :ref:`platform_ststm32`
      - External
      - STM32F407VGT6
      - 168MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_fk407m1`
      - :ref:`platform_ststm32`
      - External
      - STM32F407VET6
      - 168MHz
      - 512KB
      - 128KB
    * - :ref:`board_espressif32_firebeetle32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_freescalekinetis_frdm_k20d50m`
      - :ref:`platform_freescalekinetis`
      - On-board
      - MK20DX128VLH5
      - 48MHz
      - 128KB
      - 16KB
    * - :ref:`board_freescalekinetis_frdm_k22f`
      - :ref:`platform_freescalekinetis`
      - On-board
      - MK22FN512VLH12
      - 120MHz
      - 512KB
      - 128KB
    * - :ref:`board_freescalekinetis_frdm_k64f`
      - :ref:`platform_freescalekinetis`
      - On-board
      - MK64FN1M0VLL12
      - 120MHz
      - 1MB
      - 256KB
    * - :ref:`board_freescalekinetis_frdm_k66f`
      - :ref:`platform_freescalekinetis`
      - On-board
      - MK66FN2M0VMD18
      - 180MHz
      - 2MB
      - 256KB
    * - :ref:`board_freescalekinetis_frdm_k82f`
      - :ref:`platform_freescalekinetis`
      - On-board
      - MK82FN256VLL15
      - 150MHz
      - 256KB
      - 256KB
    * - :ref:`board_freescalekinetis_frdm_kl05z`
      - :ref:`platform_freescalekinetis`
      - On-board
      - MKL05Z32VFM4
      - 48MHz
      - 32KB
      - 4KB
    * - :ref:`board_freescalekinetis_frdm_kl25z`
      - :ref:`platform_freescalekinetis`
      - On-board
      - MKL25Z128VLK4
      - 48MHz
      - 128KB
      - 16KB
    * - :ref:`board_freescalekinetis_frdm_kl27z`
      - :ref:`platform_freescalekinetis`
      - On-board
      - MKL27Z64VLH4
      - 48MHz
      - 64KB
      - 16KB
    * - :ref:`board_freescalekinetis_frdm_kl43z`
      - :ref:`platform_freescalekinetis`
      - On-board
      - MKL43Z256VLH4
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_freescalekinetis_frdm_kl46z`
      - :ref:`platform_freescalekinetis`
      - On-board
      - MKL46Z256VLL4
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_freescalekinetis_frdm_kl82z`
      - :ref:`platform_freescalekinetis`
      - External
      - MKL82Z128VLK7
      - 96MHz
      - 128KB
      - 96KB
    * - :ref:`board_freescalekinetis_frdm_kw24d`
      - :ref:`platform_freescalekinetis`
      - External
      - MKW24D512
      - 50MHz
      - 512KB
      - 64KB
    * - :ref:`board_freescalekinetis_frdm_kw41z`
      - :ref:`platform_freescalekinetis`
      - On-board
      - MKW41Z512VHT4
      - 48MHz
      - 512KB
      - 128KB
    * - :ref:`board_espressif32_frogboard`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_nuclei_gd32vf103v_eval`
      - :ref:`platform_nuclei`
      - External
      - GD32VF103VBT6
      - 108MHz
      - 128KB
      - 32KB
    * - :ref:`board_nuclei_gd32vf103v_rvstar`
      - :ref:`platform_nuclei`
      - On-board
      - GD32VF103VBT6
      - 108MHz
      - 128KB
      - 32KB
    * - :ref:`board_gd32v_gd32vf103v-eval`
      - :ref:`platform_gd32v`
      - External
      - GD32VF103VBT6
      - 108MHz
      - 128KB
      - 32KB
    * - :ref:`board_espressif32_heltec_wifi_lora_32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_heltec_wifi_lora_32_V2`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 8MB
      - 320KB
    * - :ref:`board_espressif32_heltec_wireless_stick`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 8MB
      - 320KB
    * - :ref:`board_freescalekinetis_hexiwear`
      - :ref:`platform_freescalekinetis`
      - External
      - MK64FN1M0VDC12
      - 120MHz
      - 1MB
      - 256KB
    * - :ref:`board_sifive_hifive1-revb`
      - :ref:`platform_sifive`
      - On-board
      - FE310
      - 320MHz
      - 16MB
      - 16KB
    * - :ref:`board_nordicnrf52_holyiot_yj16019`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_espressif32_hornbill32dev`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_hornbill32minima`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_iotaap_magnolia`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_nordicnrf52_adafruit_itsybitsy_nrf52840`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52840
      - 64MHz
      - 796KB
      - 243KB
    * - :ref:`board_ststm32_rhombio_l476dmw1k`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L476VGT6
      - 80MHz
      - 1MB
      - 128KB
    * - :ref:`board_nxplpc_lpc11u68`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC11U68
      - 50MHz
      - 256KB
      - 36KB
    * - :ref:`board_nxplpc_lpc824`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC824
      - 30MHz
      - 32KB
      - 8KB
    * - :ref:`board_ststm32_malyanm200_f070cb`
      - :ref:`platform_ststm32`
      - External
      - STM32F070CBT6
      - 48MHz
      - 120KB
      - 14.81KB
    * - :ref:`board_ststm32_malyanm300_f070cb`
      - :ref:`platform_ststm32`
      - External
      - STM32F070CBT6
      - 48MHz
      - 120KB
      - 14.81KB
    * - :ref:`board_maxim32_max32620fthr`
      - :ref:`platform_maxim32`
      - External
      - MAX32620FTHR
      - 96MHz
      - 2MB
      - 256KB
    * - :ref:`board_espressif32_mhetesp32devkit`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_mhetesp32minikit`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_ststm32_mkr_sharky`
      - :ref:`platform_ststm32`
      - External
      - STM32WB55CG
      - 64MHz
      - 512KB
      - 192.00KB
    * - :ref:`board_atmelsam_mkrvidor4000`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_ststm32_mts_dragonfly_f411re`
      - :ref:`platform_ststm32`
      - External
      - STM32F411RET6
      - 100MHz
      - 512KB
      - 128KB
    * - :ref:`board_nordicnrf52_nrf52832_mdk`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_nordicnrf52_nrf52840_mdk`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52840
      - 64MHz
      - 1MB
      - 256KB
    * - :ref:`board_ststm32_malyanm200_f103cb`
      - :ref:`platform_ststm32`
      - External
      - STM32F103CBT6
      - 72MHz
      - 120KB
      - 20KB
    * - :ref:`board_ststm32_maple`
      - :ref:`platform_ststm32`
      - External
      - STM32F103RBT6
      - 72MHz
      - 108KB
      - 17KB
    * - :ref:`board_ststm32_maple_ret6`
      - :ref:`platform_ststm32`
      - External
      - STM32F103RET6
      - 72MHz
      - 256KB
      - 48KB
    * - :ref:`board_ststm32_maple_mini_b20`
      - :ref:`platform_ststm32`
      - External
      - STM32F103CBT6
      - 72MHz
      - 120KB
      - 20KB
    * - :ref:`board_ststm32_maple_mini_origin`
      - :ref:`platform_ststm32`
      - External
      - STM32F103CBT6
      - 72MHz
      - 108KB
      - 17KB
    * - :ref:`board_maxim32_max32620hsp`
      - :ref:`platform_maxim32`
      - External
      - MAX32620
      - 96MHz
      - 2MB
      - 256KB
    * - :ref:`board_ststm32_mbed_connect_odin`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F439ZIY6
      - 168MHz
      - 2MB
      - 256KB
    * - :ref:`board_nordicnrf52_adafruit_metro_nrf52840`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52840
      - 64MHz
      - 796KB
      - 243KB
    * - :ref:`board_ststm32_microduino32_flash`
      - :ref:`platform_ststm32`
      - External
      - STM32F103CBT6
      - 72MHz
      - 105.47KB
      - 16.60KB
    * - :ref:`board_ststm32_mxchip_az3166`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F412ZGT6
      - 100MHz
      - 1MB
      - 256KB
    * - :ref:`board_atmelsam_minitronics20`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21J18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_moteino_zero`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_ststm32_mts_mdot_f405rg`
      - :ref:`platform_ststm32`
      - External
      - STM32F411RET6
      - 100MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_mts_mdot_f411re`
      - :ref:`platform_ststm32`
      - External
      - STM32F411RET6
      - 100MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_xdot_l151cc`
      - :ref:`platform_ststm32`
      - External
      - STM32L151CCU6
      - 32MHz
      - 256KB
      - 32KB
    * - :ref:`board_ststm32_netduino2plus`
      - :ref:`platform_ststm32`
      - External
      - STM32F405RGT6
      - 168MHz
      - 1MB
      - 192KB
    * - :ref:`board_ststm32_mote_l152rc`
      - :ref:`platform_ststm32`
      - External
      - STM32L152RC
      - 32MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_nano_33_iot`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_nxplpc_blueboard_lpc11u24`
      - :ref:`platform_nxplpc`
      - External
      - LPC11U24
      - 48MHz
      - 32KB
      - 8KB
    * - :ref:`board_nxplpc_lpc11c24`
      - :ref:`platform_nxplpc`
      - External
      - LPC11C24
      - 48MHz
      - 32KB
      - 8KB
    * - :ref:`board_nxplpc_lpc11u34_421`
      - :ref:`platform_nxplpc`
      - External
      - LPC11U34
      - 48MHz
      - 40KB
      - 8KB
    * - :ref:`board_nxplpc_lpc11u37_501`
      - :ref:`platform_nxplpc`
      - External
      - LPC11U37
      - 48MHz
      - 128KB
      - 10KB
    * - :ref:`board_nxplpc_lpc812`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC812
      - 30MHz
      - 16KB
      - 4KB
    * - :ref:`board_nxplpc_lpc1549`
      - :ref:`platform_nxplpc`
      - External
      - LPC1549
      - 72MHz
      - 256KB
      - 36KB
    * - :ref:`board_nxplpc_lpc54114`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC54114J256BD64
      - 100MHz
      - 256KB
      - 192KB
    * - :ref:`board_nxplpc_lpc546xx`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC54608ET512
      - 180MHz
      - 512KB
      - 200KB
    * - :ref:`board_nxpimxrt_mimxrt1010_evk`
      - :ref:`platform_nxpimxrt`
      - On-board
      - MIMXRT1011DAE5A
      - 500MHz
      - 64KB
      - 128KB
    * - :ref:`board_nxpimxrt_mimxrt1015_evk`
      - :ref:`platform_nxpimxrt`
      - On-board
      - MIMXRT1015DAF5A
      - 500MHz
      - 96KB
      - 128KB
    * - :ref:`board_nxpimxrt_mimxrt1020_evk`
      - :ref:`platform_nxpimxrt`
      - On-board
      - MIMXRT1021DAG5A
      - 500MHz
      - 64MB
      - 256MB
    * - :ref:`board_nxpimxrt_mimxrt1050_evk`
      - :ref:`platform_nxpimxrt`
      - On-board
      - MIMXRT1052DVL6B
      - 600MHz
      - 64MB
      - 512KB
    * - :ref:`board_nxpimxrt_mimxrt1060_evk`
      - :ref:`platform_nxpimxrt`
      - On-board
      - MIMXRT1062DVL6A
      - 600MHz
      - 64MB
      - 1MB
    * - :ref:`board_nxpimxrt_mimxrt1064_evk`
      - :ref:`platform_nxpimxrt`
      - On-board
      - MIMXRT1064DVL6A
      - 600MHz
      - 4MB
      - 1MB
    * - :ref:`board_nxplpc_lpc11u24`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC11U24
      - 48MHz
      - 32KB
      - 8KB
    * - :ref:`board_nxplpc_lpc1768`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC1768
      - 96MHz
      - 512KB
      - 64KB
    * - :ref:`board_espressif32_node32s`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_nodemcu-32s`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_nordicnrf51_nrf51_beacon`
      - :ref:`platform_nordicnrf51`
      - On-board
      - NRF51822
      - 32MHz
      - 256KB
      - 32KB
    * - :ref:`board_nordicnrf52_thingy_52`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_nordicnrf51_nrf51_dongle`
      - :ref:`platform_nordicnrf51`
      - On-board
      - NRF51822
      - 32MHz
      - 256KB
      - 32KB
    * - :ref:`board_nordicnrf51_nrf51_dk`
      - :ref:`platform_nordicnrf51`
      - On-board
      - NRF51822
      - 32MHz
      - 256KB
      - 32KB
    * - :ref:`board_nordicnrf52_nrf52_dk`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_nordicnrf52_nrf52840_dk`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52840
      - 64MHz
      - 1MB
      - 256KB
    * - :ref:`board_nordicnrf52_nrf52840_dk_adafruit`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52840
      - 64MHz
      - 796KB
      - 243KB
    * - :ref:`board_ststm32_nucleo_g071rb`
      - :ref:`platform_ststm32`
      - External
      - STM32G071RBT6
      - 64MHz
      - 128KB
      - 36KB
    * - :ref:`board_ststm32_nucleo_g431kb`
      - :ref:`platform_ststm32`
      - External
      - STM32G431KBT6
      - 170MHz
      - 128KB
      - 32KB
    * - :ref:`board_ststm32_nucleo_g431rb`
      - :ref:`platform_ststm32`
      - External
      - STM32G431RBT6
      - 170MHz
      - 128KB
      - 32KB
    * - :ref:`board_ststm32_nucleo_g474re`
      - :ref:`platform_ststm32`
      - External
      - STM32G474RET6
      - 170MHz
      - 512KB
      - 128KB
    * - :ref:`board_espressif32_esp32-devkitlipo`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_esp32-evb`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_esp32-gateway`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_ststm32_olimexino`
      - :ref:`platform_ststm32`
      - External
      - STM32F103RBT6
      - 72MHz
      - 128KB
      - 20KB
    * - :ref:`board_nordicnrf51_oshchip`
      - :ref:`platform_nordicnrf51`
      - External
      - NRF51822
      - 32MHz
      - 256KB
      - 32KB
    * - :ref:`board_ststm32_olimex_p405`
      - :ref:`platform_ststm32`
      - External
      - STM32F405RGT6
      - 168MHz
      - 1MB
      - 192KB
    * - :ref:`board_ststm32_nucleo_wb55rg_p`
      - :ref:`platform_ststm32`
      - On-board
      - STM32WB55RG
      - 64MHz
      - 512KB
      - 192.00KB
    * - :ref:`board_nordicnrf52_particle_argon`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52840
      - 64MHz
      - 796KB
      - 243KB
    * - :ref:`board_nordicnrf52_particle_boron`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52840
      - 64MHz
      - 796KB
      - 243KB
    * - :ref:`board_nordicnrf52_particle_xenon`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52840
      - 64MHz
      - 796KB
      - 243KB
    * - :ref:`board_ststm32_piconomix_px_her0`
      - :ref:`platform_ststm32`
      - External
      - STM32L072RB
      - 32MHz
      - 128KB
      - 20KB
    * - :ref:`board_ststm32_prntr_v2`
      - :ref:`platform_ststm32`
      - External
      - STM32F407RE
      - 168MHz
      - 512KB
      - 192KB
    * - :ref:`board_espressif32_lopy`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_lopy4`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 1.25MB
    * - :ref:`board_ststm32_rak811_tracker`
      - :ref:`platform_ststm32`
      - External
      - STM32L151RBT6
      - 32MHz
      - 128KB
      - 16KB
    * - :ref:`board_ststm32_rak811_tracker_32`
      - :ref:`platform_ststm32`
      - External
      - STM32L151RBT6
      - 32MHz
      - 128KB
      - 32KB
    * - :ref:`board_ststm32_rhf76_052`
      - :ref:`platform_ststm32`
      - External
      - STM32L051C8T6
      - 32MHz
      - 64KB
      - 8KB
    * - :ref:`board_nordicnrf51_redBearLabBLENano`
      - :ref:`platform_nordicnrf51`
      - On-board
      - NRF51822
      - 16MHz
      - 256KB
      - 32KB
    * - :ref:`board_nordicnrf52_redbear_blenano2`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_nordicnrf52_redbear_blend2`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_nordicnrf51_redBearLab`
      - :ref:`platform_nordicnrf51`
      - On-board
      - NRF51822
      - 16MHz
      - 256KB
      - 16KB
    * - :ref:`board_ststm32_cloud_jam`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F401RET6
      - 84MHz
      - 512KB
      - 96KB
    * - :ref:`board_ststm32_cloud_jam_l4`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L476RGT6
      - 80MHz
      - 1MB
      - 128KB
    * - :ref:`board_nordicnrf52_sdt52832b`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_espressif32_sg-o_airMon`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_siliconlabsefm32_efm32hg_stk3400`
      - :ref:`platform_siliconlabsefm32`
      - On-board
      - EFM32HG322F64
      - 25MHz
      - 64KB
      - 8KB
    * - :ref:`board_siliconlabsefm32_efm32pg_stk3401`
      - :ref:`platform_siliconlabsefm32`
      - On-board
      - EFM32PG1B200F256GM48
      - 40MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_sodaq_autonomo`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21J18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_sodaq_explorer`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21J18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_sodaq_one`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_sodaq_sara`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21J18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_sodaq_sff`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_ststm32_disco_f334c8`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F334C8T6
      - 72MHz
      - 64KB
      - 12KB
    * - :ref:`board_ststm32_disco_f401vc`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F401VCT6
      - 84MHz
      - 256KB
      - 64KB
    * - :ref:`board_ststm32_disco_f411ve`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F411VET6
      - 100MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_disco_f413zh`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F413ZHT6
      - 100MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_disco_f429zi`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F429ZIT6
      - 180MHz
      - 2MB
      - 256KB
    * - :ref:`board_ststm32_disco_f469ni`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F469NIH6
      - 180MHz
      - 1MB
      - 384KB
    * - :ref:`board_ststm32_disco_f746ng`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F746NGH6
      - 216MHz
      - 1MB
      - 320KB
    * - :ref:`board_ststm32_disco_f769ni`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F769NIH6
      - 216MHz
      - 1MB
      - 512KB
    * - :ref:`board_ststm32_disco_l053c8`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L053C8T6
      - 32MHz
      - 64KB
      - 8KB
    * - :ref:`board_ststm32_disco_l100rc`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L100RCT6
      - 32MHz
      - 256KB
      - 16KB
    * - :ref:`board_ststm32_disco_l476vg`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L476VGT6
      - 80MHz
      - 1MB
      - 128KB
    * - :ref:`board_ststm32_disco_l496ag`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L496AGI6
      - 80MHz
      - 1MB
      - 320KB
    * - :ref:`board_ststm32_disco_l475vg_iot01a`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L475VGT6
      - 80MHz
      - 1MB
      - 128KB
    * - :ref:`board_ststm32_disco_l072cz_lrwan1`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L072CZ
      - 32MHz
      - 192KB
      - 20KB
    * - :ref:`board_ststm32_disco_f072rb`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F072RBT6
      - 48MHz
      - 128KB
      - 16KB
    * - :ref:`board_ststm32_nucleo_f030r8`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F030R8T6
      - 48MHz
      - 64KB
      - 8KB
    * - :ref:`board_ststm32_nucleo_f031k6`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F031K6T6
      - 48MHz
      - 32KB
      - 4KB
    * - :ref:`board_ststm32_nucleo_f042k6`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F042K6T6
      - 48MHz
      - 32KB
      - 6KB
    * - :ref:`board_ststm32_nucleo_f070rb`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F070RBT6
      - 48MHz
      - 128KB
      - 16KB
    * - :ref:`board_ststm32_nucleo_f072rb`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F072RBT6
      - 48MHz
      - 128KB
      - 16KB
    * - :ref:`board_ststm32_nucleo_f091rc`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F091RCT6
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_ststm32_nucleo_f103rb`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F103RBT6
      - 72MHz
      - 128KB
      - 20KB
    * - :ref:`board_ststm32_nucleo_f207zg`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F207ZGT6
      - 120MHz
      - 1MB
      - 128KB
    * - :ref:`board_ststm32_nucleo_f302r8`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F302R8T6
      - 72MHz
      - 64KB
      - 16KB
    * - :ref:`board_ststm32_nucleo_f303k8`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F303K8T6
      - 72MHz
      - 64KB
      - 12KB
    * - :ref:`board_ststm32_nucleo_f303re`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F303RET6
      - 72MHz
      - 512KB
      - 64KB
    * - :ref:`board_ststm32_nucleo_f303ze`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F303ZET6
      - 72MHz
      - 512KB
      - 64KB
    * - :ref:`board_ststm32_nucleo_f334r8`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F334R8T6
      - 72MHz
      - 64KB
      - 16KB
    * - :ref:`board_ststm32_nucleo_f401re`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F401RET6
      - 84MHz
      - 512KB
      - 96KB
    * - :ref:`board_ststm32_nucleo_f410rb`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F410RBT6
      - 100MHz
      - 128KB
      - 32KB
    * - :ref:`board_ststm32_nucleo_f411re`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F411RET6
      - 100MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_nucleo_f412zg`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F412ZGT6
      - 100MHz
      - 1MB
      - 256KB
    * - :ref:`board_ststm32_nucleo_f413zh`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F413ZHT6
      - 100MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_nucleo_f429zi`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F429ZIT6
      - 180MHz
      - 2MB
      - 256KB
    * - :ref:`board_ststm32_nucleo_f439zi`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F439ZIT6
      - 180MHz
      - 2MB
      - 256KB
    * - :ref:`board_ststm32_nucleo_f446re`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F446RET6
      - 180MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_nucleo_f446ze`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F446ZET6
      - 180MHz
      - 512KB
      - 128KB
    * - :ref:`board_ststm32_nucleo_f722ze`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F722ZET6
      - 216MHz
      - 512KB
      - 256KB
    * - :ref:`board_ststm32_nucleo_f746zg`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F746ZGT6
      - 216MHz
      - 1MB
      - 320KB
    * - :ref:`board_ststm32_nucleo_f756zg`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F756ZG
      - 216MHz
      - 1MB
      - 320KB
    * - :ref:`board_ststm32_nucleo_f767zi`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F767ZIT6
      - 216MHz
      - 2MB
      - 512KB
    * - :ref:`board_ststm32_nucleo_h743zi`
      - :ref:`platform_ststm32`
      - On-board
      - STM32H743ZIT6
      - 400MHz
      - 2MB
      - 512KB
    * - :ref:`board_ststm32_nucleo_l011k4`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L011K4T6
      - 32MHz
      - 16KB
      - 2KB
    * - :ref:`board_ststm32_nucleo_l031k6`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L031K6T6
      - 32MHz
      - 32KB
      - 8KB
    * - :ref:`board_ststm32_nucleo_l053r8`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L053R8T6
      - 32MHz
      - 64KB
      - 8KB
    * - :ref:`board_ststm32_nucleo_l073rz`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L073RZ
      - 32MHz
      - 192KB
      - 20KB
    * - :ref:`board_ststm32_nucleo_l152re`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L152RET6
      - 32MHz
      - 512KB
      - 80KB
    * - :ref:`board_ststm32_nucleo_l412kb`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L412KBU6
      - 80MHz
      - 128KB
      - 40KB
    * - :ref:`board_ststm32_nucleo_l432kc`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L432KCU6
      - 80MHz
      - 256KB
      - 64KB
    * - :ref:`board_ststm32_nucleo_l433rc_p`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L433RC
      - 80MHz
      - 256KB
      - 64KB
    * - :ref:`board_ststm32_nucleo_l452re`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L452RET6
      - 80MHz
      - 256KB
      - 64KB
    * - :ref:`board_ststm32_nucleo_l476rg`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L476RGT6
      - 80MHz
      - 1MB
      - 128KB
    * - :ref:`board_ststm32_nucleo_l486rg`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L486RGT6
      - 80MHz
      - 1MB
      - 128KB
    * - :ref:`board_ststm32_nucleo_l496zg`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L496ZGT6
      - 80MHz
      - 1MB
      - 128KB
    * - :ref:`board_ststm32_nucleo_l496zg_p`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L496ZGT6P
      - 80MHz
      - 1MB
      - 320KB
    * - :ref:`board_ststm32_nucleo_l4r5zi`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L4R5ZIT6
      - 120MHz
      - 2MB
      - 640KB
    * - :ref:`board_ststm32_disco_f030r8`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F030R8T6
      - 48MHz
      - 64KB
      - 8KB
    * - :ref:`board_ststm32_disco_f051r8`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F051R8T6
      - 48MHz
      - 64KB
      - 8KB
    * - :ref:`board_ststm32_disco_f303vc`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F303VCT6
      - 72MHz
      - 256KB
      - 48KB
    * - :ref:`board_ststm32_disco_f407vg`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F407VGT6
      - 168MHz
      - 1MB
      - 128KB
    * - :ref:`board_ststm32_eval_l073z`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L073VZT6
      - 32MHz
      - 192KB
      - 20KB
    * - :ref:`board_ststm32_disco_l152rb`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L152RBT6
      - 32MHz
      - 128KB
      - 16KB
    * - :ref:`board_ststm32_disco_f100rb`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F100RBT6
      - 24MHz
      - 128KB
      - 8KB
    * - :ref:`board_ststm32_silica_sensor_node`
      - :ref:`platform_ststm32`
      - On-board
      - STM32L476JG
      - 80MHz
      - 1MB
      - 128KB
    * - :ref:`board_ststm32_steval_fcu001v1`
      - :ref:`platform_ststm32`
      - External
      - STM32F401CCU6
      - 84MHz
      - 256KB
      - 64KB
    * - :ref:`board_ststm32_olimex_e407`
      - :ref:`platform_ststm32`
      - External
      - STM32F407ZGT6
      - 168MHz
      - 1MB
      - 128KB
    * - :ref:`board_ststm32_olimex_h407`
      - :ref:`platform_ststm32`
      - External
      - STM32F407ZGT6
      - 168MHz
      - 1MB
      - 128KB
    * - :ref:`board_ststm32_eval_f107vc`
      - :ref:`platform_ststm32`
      - External
      - STM32F107VCT6
      - 72MHz
      - 256KB
      - 64KB
    * - :ref:`board_ststm32_eval_f373vc`
      - :ref:`platform_ststm32`
      - External
      - STM32F373VCT6
      - 72MHz
      - 256KB
      - 32KB
    * - :ref:`board_ststm32_eval_f072vb`
      - :ref:`platform_ststm32`
      - External
      - STM32F072VBT6
      - 48MHz
      - 128KB
      - 16KB
    * - :ref:`board_ststm32_genericSTM32F103C8`
      - :ref:`platform_ststm32`
      - External
      - STM32F103C8T6
      - 72MHz
      - 64KB
      - 20KB
    * - :ref:`board_ststm32_genericSTM32F103CB`
      - :ref:`platform_ststm32`
      - External
      - STM32F103CBT6
      - 72MHz
      - 128KB
      - 20KB
    * - :ref:`board_ststm32_genericSTM32F103R8`
      - :ref:`platform_ststm32`
      - External
      - STM32F103R8T6
      - 72MHz
      - 64KB
      - 20KB
    * - :ref:`board_ststm32_genericSTM32F103RB`
      - :ref:`platform_ststm32`
      - External
      - STM32F103RBT6
      - 72MHz
      - 128KB
      - 20KB
    * - :ref:`board_ststm32_genericSTM32F103RC`
      - :ref:`platform_ststm32`
      - External
      - STM32F103RCT6
      - 72MHz
      - 256KB
      - 48KB
    * - :ref:`board_ststm32_genericSTM32F103RE`
      - :ref:`platform_ststm32`
      - External
      - STM32F103RET6
      - 72MHz
      - 512KB
      - 64KB
    * - :ref:`board_ststm32_genericSTM32F103T8`
      - :ref:`platform_ststm32`
      - External
      - STM32F103T8T6
      - 72MHz
      - 64KB
      - 20KB
    * - :ref:`board_ststm32_genericSTM32F103TB`
      - :ref:`platform_ststm32`
      - External
      - STM32F103TBT6
      - 72MHz
      - 128KB
      - 20KB
    * - :ref:`board_ststm32_genericSTM32F103VB`
      - :ref:`platform_ststm32`
      - External
      - STM32F103VBT6
      - 72MHz
      - 128KB
      - 20KB
    * - :ref:`board_ststm32_genericSTM32F103VC`
      - :ref:`platform_ststm32`
      - External
      - STM32F103VCT6
      - 72MHz
      - 256KB
      - 48KB
    * - :ref:`board_ststm32_genericSTM32F103VD`
      - :ref:`platform_ststm32`
      - External
      - STM32F103VDT6
      - 72MHz
      - 384KB
      - 64KB
    * - :ref:`board_ststm32_genericSTM32F103VE`
      - :ref:`platform_ststm32`
      - External
      - STM32F103VET6
      - 72MHz
      - 512KB
      - 64KB
    * - :ref:`board_ststm32_genericSTM32F103ZC`
      - :ref:`platform_ststm32`
      - External
      - STM32F103ZCT6
      - 72MHz
      - 256KB
      - 48KB
    * - :ref:`board_ststm32_genericSTM32F103ZD`
      - :ref:`platform_ststm32`
      - External
      - STM32F103ZDT6
      - 72MHz
      - 384KB
      - 64KB
    * - :ref:`board_ststm32_genericSTM32F103ZE`
      - :ref:`platform_ststm32`
      - External
      - STM32F103ZET6
      - 72MHz
      - 512KB
      - 64KB
    * - :ref:`board_ststm32_genericSTM32F303CB`
      - :ref:`platform_ststm32`
      - External
      - STM32F303CBT6
      - 72MHz
      - 128KB
      - 32KB
    * - :ref:`board_ststm32_genericSTM32F401RB`
      - :ref:`platform_ststm32`
      - External
      - STM32F401RB
      - 84MHz
      - 128KB
      - 64KB
    * - :ref:`board_ststm32_genericSTM32F401RC`
      - :ref:`platform_ststm32`
      - External
      - STM32F401RC
      - 84MHz
      - 256KB
      - 64KB
    * - :ref:`board_ststm32_genericSTM32F401RE`
      - :ref:`platform_ststm32`
      - External
      - STM32F401RE
      - 84MHz
      - 512KB
      - 96KB
    * - :ref:`board_ststm32_genericSTM32F407VET6`
      - :ref:`platform_ststm32`
      - External
      - STM32F407VET6
      - 168MHz
      - 502.23KB
      - 128KB
    * - :ref:`board_ststm32_genericSTM32F407VGT6`
      - :ref:`platform_ststm32`
      - External
      - STM32F407VGT6
      - 168MHz
      - 1MB
      - 192KB
    * - :ref:`board_ststm32_stm32f4stamp`
      - :ref:`platform_ststm32`
      - External
      - STM32F405RGT6
      - 168MHz
      - 1MB
      - 192KB
    * - :ref:`board_ststm32_disco_f750n8`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F750N8H6
      - 216MHz
      - 64KB
      - 340KB
    * - :ref:`board_ststm32_disco_h743xi`
      - :ref:`platform_ststm32`
      - On-board
      - STM32H747XIH6
      - 400MHz
      - 2MB
      - 512KB
    * - :ref:`board_atmelsam_sainSmartDue`
      - :ref:`platform_atmelsam`
      - External
      - AT91SAM3X8E
      - 84MHz
      - 512KB
      - 96KB
    * - :ref:`board_atmelsam_sainSmartDueUSB`
      - :ref:`platform_atmelsam`
      - External
      - AT91SAM3X8E
      - 84MHz
      - 512KB
      - 96KB
    * - :ref:`board_nordicnrf51_seeedArchBLE`
      - :ref:`platform_nordicnrf51`
      - On-board
      - NRF51822
      - 16MHz
      - 128KB
      - 16KB
    * - :ref:`board_nordicnrf51_seeedArchLink`
      - :ref:`platform_nordicnrf51`
      - On-board
      - NRF51822
      - 16MHz
      - 256KB
      - 16KB
    * - :ref:`board_ststm32_seeedArchMax`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F407VET6
      - 168MHz
      - 512KB
      - 192KB
    * - :ref:`board_nordicnrf51_seeedTinyBLE`
      - :ref:`platform_nordicnrf51`
      - On-board
      - NRF51822
      - 16MHz
      - 256KB
      - 16KB
    * - :ref:`board_ststm32_wio_3g`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F439VI
      - 180MHz
      - 2MB
      - 256KB
    * - :ref:`board_atmelsam_seeeduino_lorawan`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_ststm32_steval_mksboxv1`
      - :ref:`platform_ststm32`
      - External
      - STM32L4R9ZI
      - 120MHz
      - 2MB
      - 640KB
    * - :ref:`board_espressif32_wesp32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_nordicnrf51_Sinobit`
      - :ref:`platform_nordicnrf51`
      - External
      - NRF51822
      - 32MHz
      - 256KB
      - 32KB
    * - :ref:`board_gd32v_sipeed-longan-nano`
      - :ref:`platform_gd32v`
      - External
      - GD32VF103CBT6
      - 108MHz
      - 128KB
      - 32KB
    * - :ref:`board_gd32v_sipeed-longan-nano-lite`
      - :ref:`platform_gd32v`
      - External
      - GD32VF103C8T6
      - 108MHz
      - 64KB
      - 20KB
    * - :ref:`board_kendryte210_sipeed-maix-bit`
      - :ref:`platform_kendryte210`
      - External
      - K210
      - 400MHz
      - 16MB
      - 6MB
    * - :ref:`board_kendryte210_sipeed-maix-bit-mic`
      - :ref:`platform_kendryte210`
      - External
      - K210
      - 400MHz
      - 16MB
      - 6MB
    * - :ref:`board_kendryte210_sipeed-maix-go`
      - :ref:`platform_kendryte210`
      - External
      - K210
      - 400MHz
      - 16MB
      - 6MB
    * - :ref:`board_kendryte210_sipeed-maix-one-dock`
      - :ref:`platform_kendryte210`
      - External
      - K210
      - 400MHz
      - 16MB
      - 6MB
    * - :ref:`board_kendryte210_sipeed-maixduino`
      - :ref:`platform_kendryte210`
      - External
      - K210
      - 400MHz
      - 16MB
      - 6MB
    * - :ref:`board_kendryte210_sipeed-MF1`
      - :ref:`platform_kendryte210`
      - External
      - K210
      - 400MHz
      - 16MB
      - 6MB
    * - :ref:`board_nxplpc_dipcortexm0`
      - :ref:`platform_nxplpc`
      - External
      - LPC11U24
      - 50MHz
      - 32KB
      - 8KB
    * - :ref:`board_atmelsam_sparkfun_samd21_9dof`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_espressif32_esp32thing`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_sparkfun_lora_gateway_1-channel`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_atmelsam_sparkfun_qwiic_micro_samd21e`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21E18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_sifive_sparkfun_redboard_v`
      - :ref:`platform_sifive`
      - On-board
      - FE310
      - 320MHz
      - 16MB
      - 16KB
    * - :ref:`board_sifive_sparkfun_thing_plus_v`
      - :ref:`platform_sifive`
      - On-board
      - FE310
      - 320MHz
      - 16MB
      - 16KB
    * - :ref:`board_atmelsam_sparkfun_redboard_turbo`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_sparkfun_samd21_dev_usb`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_sparkfun_samd21_mini_usb`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_atmelsam_sparkfun_samd21_proRF`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_ststm32_sparky_v1`
      - :ref:`platform_ststm32`
      - External
      - STM32F303CCT6
      - 72MHz
      - 256KB
      - 40KB
    * - :ref:`board_nxplpc_lpc1114fn28`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC1114FN28
      - 48MHz
      - 32KB
      - 4KB
    * - :ref:`board_nxplpc_ssci824`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC824
      - 30MHz
      - 32KB
      - 8KB
    * - :ref:`board_espressif32_ttgo-lora32-v1`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_ttgo-lora32-v2`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_ttgo-t-beam`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 1.25MB
    * - :ref:`board_espressif32_ttgo-t1`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_nordicnrf52_stct_nrf52_minidev`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_teensy_teensy31`
      - :ref:`platform_teensy`
      - External
      - MK20DX256
      - 72MHz
      - 256KB
      - 64KB
    * - :ref:`board_teensy_teensy35`
      - :ref:`platform_teensy`
      - External
      - MK64FX512
      - 120MHz
      - 512KB
      - 255.99KB
    * - :ref:`board_teensy_teensy36`
      - :ref:`platform_teensy`
      - External
      - MK66FX1M0
      - 180MHz
      - 1MB
      - 256KB
    * - :ref:`board_teensy_teensy40`
      - :ref:`platform_teensy`
      - External
      - IMXRT1062
      - 600MHz
      - 1.94MB
      - 512KB
    * - :ref:`board_teensy_teensy41`
      - :ref:`platform_teensy`
      - External
      - IMXRT1062
      - 600MHz
      - 7.75MB
      - 512KB
    * - :ref:`board_teensy_teensylc`
      - :ref:`platform_teensy`
      - External
      - MKL26Z64
      - 48MHz
      - 62KB
      - 8KB
    * - :ref:`board_ststm32_thunder_pack`
      - :ref:`platform_ststm32`
      - External
      - STM32L072KZ
      - 32MHz
      - 192KB
      - 20KB
    * - :ref:`board_siliconlabsefm32_tb_sense_12`
      - :ref:`platform_siliconlabsefm32`
      - On-board
      - EFR32MG12P432F1024
      - 40MHz
      - 1MB
      - 256KB
    * - :ref:`board_ststm32_hy_tinystm103tb`
      - :ref:`platform_ststm32`
      - External
      - STM32F103TBU6
      - 72MHz
      - 128KB
      - 20KB
    * - :ref:`board_atmelsam_tuinozero96`
      - :ref:`platform_atmelsam`
      - External
      - SAMD21G18A
      - 48MHz
      - 256KB
      - 32KB
    * - :ref:`board_ststm32_vake_v1`
      - :ref:`platform_ststm32`
      - External
      - STM32F446RET6
      - 180MHz
      - 512KB
      - 128KB
    * - :ref:`board_nordicnrf52_vbluno52`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_espressif32_vintlabs-devkit-v1`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_lolin_d32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_lolin_d32_pro`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_lolin32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_wiznet7500_wizwiki_w7500`
      - :ref:`platform_wiznet7500`
      - On-board
      - WIZNET7500
      - 48MHz
      - 128KB
      - 48KB
    * - :ref:`board_wiznet7500_wizwiki_w7500eco`
      - :ref:`platform_wiznet7500`
      - On-board
      - WIZNET7500ECO
      - 48MHz
      - 128KB
      - 48KB
    * - :ref:`board_wiznet7500_wizwiki_w7500p`
      - :ref:`platform_wiznet7500`
      - On-board
      - WIZNET7500P
      - 48MHz
      - 128KB
      - 48KB
    * - :ref:`board_nordicnrf51_waveshare_ble400`
      - :ref:`platform_nordicnrf51`
      - External
      - NRF51822
      - 32MHz
      - 256KB
      - 32KB
    * - :ref:`board_espressif32_wemos_d1_mini32`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_wemosbat`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_gd32v_wio_lite_risc-v`
      - :ref:`platform_gd32v`
      - External
      - GD32VF103CBT6
      - 108MHz
      - 128KB
      - 32KB
    * - :ref:`board_ststm32_wraith32_v1`
      - :ref:`platform_ststm32`
      - External
      - STM32F051K6
      - 48MHz
      - 32KB
      - 7.75KB
    * - :ref:`board_infineonxmc_xmc1100_boot_kit`
      - :ref:`platform_infineonxmc`
      - On-board
      - XMC1100
      - 32MHz
      - 64KB
      - 16KB
    * - :ref:`board_infineonxmc_xmc1100_h_bridge2go`
      - :ref:`platform_infineonxmc`
      - On-board
      - XMC1100
      - 32MHz
      - 64KB
      - 16KB
    * - :ref:`board_infineonxmc_xmc1100_xmc2go`
      - :ref:`platform_infineonxmc`
      - On-board
      - XMC1100
      - 32MHz
      - 64KB
      - 16KB
    * - :ref:`board_infineonxmc_xmc1300_boot_kit`
      - :ref:`platform_infineonxmc`
      - On-board
      - XMC1300
      - 32MHz
      - 64KB
      - 16KB
    * - :ref:`board_infineonxmc_xmc1300_sense2gol`
      - :ref:`platform_infineonxmc`
      - On-board
      - XMC1300
      - 32MHz
      - 32KB
      - 16KB
    * - :ref:`board_infineonxmc_xmc1400_boot_kit`
      - :ref:`platform_infineonxmc`
      - On-board
      - XMC1400
      - 48MHz
      - 1.95MB
      - 16KB
    * - :ref:`board_infineonxmc_xmc4200_distance2go`
      - :ref:`platform_infineonxmc`
      - On-board
      - XMC4200
      - 80MHz
      - 256KB
      - 40KB
    * - :ref:`board_infineonxmc_xmc4700_relax_kit`
      - :ref:`platform_infineonxmc`
      - On-board
      - XMC4700
      - 144MHz
      - 2.00MB
      - 1.95MB
    * - :ref:`board_espressif32_xinabox_cw02`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_nordicnrf52_hackaBLE`
      - :ref:`platform_nordicnrf52`
      - External
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_nordicnrf51_ng_beacon`
      - :ref:`platform_nordicnrf51`
      - External
      - NRF51822
      - 16MHz
      - 256KB
      - 32KB
    * - :ref:`board_espressif32_iotbusio`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_espressif32_iotbusproteus`
      - :ref:`platform_espressif32`
      - External
      - ESP32
      - 240MHz
      - 4MB
      - 320KB
    * - :ref:`board_ststm32_sakuraio_evb_01`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F411RET6
      - 100MHz
      - 1MB
      - 128KB
    * - :ref:`board_nxplpc_ubloxc027`
      - :ref:`platform_nxplpc`
      - On-board
      - LPC1768
      - 96MHz
      - 512KB
      - 64KB
    * - :ref:`board_ststm32_ublox_c030_n211`
      - :ref:`platform_ststm32`
      - External
      - STM32F437VG
      - 180MHz
      - 1MB
      - 256KB
    * - :ref:`board_ststm32_ublox_c030_r410m`
      - :ref:`platform_ststm32`
      - On-board
      - STM32F437VG
      - 180MHz
      - 1MB
      - 256KB
    * - :ref:`board_ststm32_ublox_c030_u201`
      - :ref:`platform_ststm32`
      - External
      - STM32F437VG
      - 180MHz
      - 1MB
      - 256KB
    * - :ref:`board_nordicnrf52_ublox_evk_nina_b1`
      - :ref:`platform_nordicnrf52`
      - On-board
      - NRF52832
      - 64MHz
      - 512KB
      - 64KB
    * - :ref:`board_ststm32_ublox_evk_odin_w2`
      - :ref:`platform_ststm32`
      - External
      - STM32F439ZIY6
      - 168MHz
      - 2MB
      - 256KB
    * - :ref:`board_ststm32_mtb_ublox_odin_w2`
      - :ref:`platform_ststm32`
      - External
      - STM32F439ZIY6
      - 168MHz
      - 2MB
      - 256KB
    * - :ref:`board_nxplpc_lpc11u35_y5_mbug`
      - :ref:`platform_nxplpc`
      - External
      - LPC11U35
      - 48MHz
      - 64KB
      - 10KB
    * - :ref:`board_nordicnrf51_nrf51822_y5_mbug`
      - :ref:`platform_nordicnrf51`
      - On-board
      - NRF51822
      - 16MHz
      - 256KB
      - 16KB
