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STMicroelectronics STM32 boards (``netduino2``, ``netduinoplus2``, ``stm32vldiscovery``)
========================================================================================
The `STM32`_ chips are a family of 32-bit ARM-based microcontroller by
STMicroelectronics.
.. _STM32: https://www.st.com/en/microcontrollers-microprocessors/stm32-32-bit-arm-cortex-mcus.html
The STM32F1 series is based on ARM Cortex-M3 core. The following machines are
based on this chip :
- ``stm32vldiscovery`` STM32VLDISCOVERY board with STM32F100RBT6 microcontroller
The STM32F2 series is based on ARM Cortex-M3 core. The following machines are
based on this chip :
- ``netduino2`` Netduino 2 board with STM32F205RFT6 microcontroller
The STM32F4 series is based on ARM Cortex-M4F core, as well as the STM32L4
ultra-low-power series. The STM32F4 series is pin-to-pin compatible with STM32F2 series.
The following machines are based on this ARM Cortex-M4F chip :
- ``netduinoplus2`` Netduino Plus 2 board with STM32F405RGT6 microcontroller
- ``olimex-stm32-h405`` Olimex STM32 H405 board with STM32F405RGT6 microcontroller
- ``b-l475e-iot01a`` :doc:`B-L475E-IOT01A IoT Node </system/arm/b-l475e-iot01a>` board with STM32L475VG microcontroller
There are many other STM32 series that are currently not supported by QEMU.
Supported devices
-----------------
* ARM Cortex-M3, Cortex M4F
* Analog to Digital Converter (ADC)
* EXTI interrupt
* Serial ports (USART)
* SPI controller
* System configuration (SYSCFG)
* Timer controller (TIMER)
* Reset and Clock Controller (RCC) (STM32F4 only, reset and enable only)
Missing devices
---------------
* Camera interface (DCMI)
* Controller Area Network (CAN)
* Cycle Redundancy Check (CRC) calculation unit
* Digital to Analog Converter (DAC)
* DMA controller
* Ethernet controller
* Flash Interface Unit
* GPIO controller
* I2C controller
* Inter-Integrated Sound (I2S) controller
* Power supply configuration (PWR)
* Random Number Generator (RNG)
* Real-Time Clock (RTC) controller
* Reset and Clock Controller (RCC) (other features than reset and enable)
* Secure Digital Input/Output (SDIO) interface
* USB OTG
* Watchdog controller (IWDG, WWDG)
Boot options
------------
The STM32 machines can be started using the ``-kernel`` option to load a
firmware. Example:
.. code-block:: bash
$ qemu-system-arm -M stm32vldiscovery -kernel firmware.bin
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