ST Micro 15 USD STM32F4-Discovery Cortex-M Development Kit

ST Microelectonics promote their Cortex-M series at ARM Techcon 2011 and especially the new STM32F4 series the most powerful cortex M4 MCUs.

They also showcase a low cost development board called STM32F4-Discovery that they give away at the exhibition and that can be bought online for 14.90USD from distributors.

STM34F4 Development Board
STM32F4-Discovery Evaluation Board

The evaluation board is based on the STM32F407VGT6 and includes an ST-LINK/V2 embedded debug tool, two ST MEMS, digital accelerometer and digital microphone, one audio DAC with integrated class D speaker driver, LEDs and push buttons and an USB OTG micro-AB connector.

A large number of free ready-to-run application firmware examples are available in the STM32F4-Discovery board firmware package to support quick evaluation and development.

 Key Features of the Development kit:
  • STM32F407VGT6 microcontroller featuring 32-bit ARM Cortex-M4F core, 1 MB Flash, 192 KB RAM in an LQFP100 package
  • On-board ST-LINK/V2 with selection mode switch to use the kit as a standalone ST-LINK/V2 (with SWD connector for programming and debugging)
  • Board power supply: through USB bus or from an external 5 V supply voltage
  • External application power supply: 3 V and 5 V
  • LIS302DL, ST MEMS motion sensor, 3-axis digital output accelerometer
  • MP45DT02, ST MEMS audio sensor, omni-directional digital microphone
  • CS43L22, audio DAC with integrated class D speaker driver
  • Eight LEDs:
    • LD1 (red/green) for USB communication
    • LD2 (red) for 3.3 V power on
    • Four user LEDs, LD3 (orange), LD4 (green), LD5 (red) and LD6 (blue)
    • 2 USB OTG LEDs LD7 (green) VBus and LD8 (red) over-current
  • Two push buttons (user and reset)
  • USB OTG FS with micro-AB connector
  • Extension header for all LQFP100 I/Os for quick connection to prototyping board and easy probing

The STM32F40x Standard Peripheral & DSP Library can also be downloaded from the Embedded Software Store.

STM also made available the product brief, application notes, datasheets, technical notes and user manuals on STM32F4-Discovery page.

You can watch Stuart McLaren (Micro-controller Group at STM)  interview at ARM Techcon 2011 below to know more about STM32F4 series, see the STM32F4-Discovery kit and learn how STM does in the MCU market.

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