.. _framework_libopencm3:

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.

For more detailed information please visit `vendor site <http://www.libopencm3.org/wiki/Main_Page>`_.

.. contents::

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

    * - Name
      - Description

    * - :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_titiva`
      - Texas Instruments TM4C12x MCUs offer the industrys most popular ARM Cortex-M4 core with scalable memory and package options, unparalleled connectivity peripherals, advanced application functions, industry-leading analog integration, and extensive software solutions.

Boards
------

.. note::
    * You can list pre-configured boards by :ref:`cmd_boards` command or
      `PlatformIO Boards Explorer <http://platformio.org/#!/boards>`_
    * For more detailed ``board`` information please scroll tables below by horizontal.

ST
~~

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

    * - Type ``board``
      - Name
      - Microcontroller
      - Frequency
      - Flash
      - RAM

    * - ``disco_f303vc``
      - `ST STM32F3DISCOVERY <http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/LN1848/PF254044>`_
      - STM32F303VCT6
      - 72 MHz
      - 256 Kb
      - 48 Kb

    * - ``disco_f407vg``
      - `ST STM32F4DISCOVERY <http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/LN1848/PF252419>`_
      - STM32F407VGT6
      - 168 MHz
      - 1024 Kb
      - 128 Kb

    * - ``disco_l152rb``
      - `ST STM32LDISCOVERY <http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/LN1848/PF258515>`_
      - STM32L152RBT6
      - 32 MHz
      - 128 Kb
      - 16 Kb

TI
~~

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

    * - Type ``board``
      - Name
      - Microcontroller
      - Frequency
      - Flash
      - RAM

    * - ``lplm4f120h5qr``
      - `TI LaunchPad (Stellaris) w/ lm4f120 (80MHz) <http://www.ti.com/tool/ek-lm4f120xl>`_
      - LPLM4F120H5QR
      - 80 MHz
      - 256 Kb
      - 32 Kb

    * - ``lptm4c1230c3pm``
      - `TI LaunchPad (Tiva C) w/ tm4c123 (80MHz) <http://www.ti.com/ww/en/launchpad/launchpads-connected-ek-tm4c123gxl.html>`_
      - LPTM4C1230C3PM
      - 80 MHz
      - 256 Kb
      - 32 Kb

    * - ``lptm4c1294ncpdt``
      - `TI LaunchPad (Tiva C) w/ tm4c129 (120MHz) <http://www.ti.com/ww/en/launchpad/launchpads-connected-ek-tm4c1294xl.html>`_
      - LPTM4C1294NCPDT
      - 120 MHz
      - 1024 Kb
      - 256 Kb