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STMicroelectronics STM32 boards (``netduino2``, ``netduinoplus2``, ``olimex-stm32-h405``, ``stm32vldiscovery``)

docs/system/arm/stm32.rst

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STMicroelectronics STM32 boards (netduino2, netduinoplus2, olimex-stm32-h405, stm32vldiscovery)

The STM32_ chips are a family of 32-bit Arm-based microcontrollers by STMicroelectronics.

.. _STM32: https://www.st.com/en/microcontrollers-microprocessors/stm32-32-bit-arm-cortex-mcus.html

The STM32F1 series is based on an Arm Cortex-M3 core. The following machines are based on this chip :

  • stm32vldiscovery STM32VLDISCOVERY board with STM32F100RBT6 microcontroller

The STM32F2 series is based on an 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 an 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 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