.. _framework_opencm3:

Framework ``opencm3``
=====================
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.

.. contents::

Boards
------

.. note::
    * You can list pre-configured boards by :ref:`cmd_boards` command or
      `PlatformIO Web 2.0 <http://platformio.org/#!/boards>`_ site
    * 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``
      - `STM32F3DISCOVERY <http://www.st.com/web/catalog/tools/FM116/SC959/SS1532/LN1848/PF254044>`_
      - STM32F303VCT6
      - 72 MHz
      - 256 Kb
      - 48 Kb

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

    * - ``disco_l152rb``
      - `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``
      - `LaunchPad (Stellaris) w/ lm4f120 (80MHz) <http://www.ti.com/tool/ek-lm4f120xl>`_
      - LPLM4F120H5QR
      - 80 MHz
      - 256 Kb
      - 32 Kb

    * - ``lptm4c1230c3pm``
      - `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``
      - `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