DISCO-L496AG

STM32L496 Discovery kit, cellular ready, LCD, USB, Audio, QSPI, Camera interface


Overview

The 32L496GDISCOVERY Discovery board is a complete demonstration and development platform for STMicroelectronics ARM® Cortex®-M4 core-based STM32L496AG microcontroller. Thanks to the innovative ultra-low-power oriented features, extended RAM and graphics performance (Chrom-ART Accelerator™) offered by the STM32L496AG, the 32L496GDISCOVERY board is designed to enable easy prototyping for many applications, including audio and graphics, with state-of-the-art energy efficiency. For even more user-friendliness, the on-board ST-LINK/V2-1 debugger provides out-of-the-box loading and debugging capabilities.


Microcontroller main features

  • STM32L496AGI6 microcontroller in an UFBGA169 package
  • ARM® 32-bit Cortex®-M4 CPU with FPU
  • 1 Mbyte of Flash memory and 320 Kbytes of RAM
  • Frequency up to 80 MHz
  • RTC
  • Dedicated Chrom-ART Accelerator™ for enhanced graphic content creation (DMA2D)
  • 8- to 14-bit camera interface up to 32 MHz (black&white) or 10 MHz (color)
  • LCD 8 × 40 or 4 × 44 with step-up converter
  • Up to 24 capacitive sensing channels: support touchkey, linear and rotary touch sensors
  • 4x digital filters for sigma delta modulator
  • USB OTG 2.0 full-speed, LPM and BCD
  • 2 x SAIs (serial audio interface)
  • 4 x I2C FM+(1 Mbit/s), SMBus/PMBus
  • 5 x U(S)ARTs (ISO 7816, LIN, IrDA, modem)
  • 1 x LPUART
  • 3 x SPIs (4 x SPIs with the Quad SPI)
  • 2x CAN (2.0B Active) and SDMMC
  • SWPMI single wire protocol master I/F
  • IRTIM (Infrared interface)
  • 14-channel DMA controller
  • True random number generator
  • CRC calculation unit, 96-bit unique ID


Board features

  • 1.54 inch 240 x 240 pixel-TFT color LCD with parallel interface
  • SAI Audio CODEC, with a stereo headset jack, including analog microphone input Stereo digital MEMS microphones
  • microSD™ card connector (card included)
  • Camera 8 bit-connector
  • STMod+ and PMOD connectors
  • 8 Mbit-PSRAM
  • IDD measurement
  • 64 Mbit-Quad-SPI Flash
  • 1 user LED
  • Reset push button
  • 4 direction-joystick with selection
  • USB OTG FS with Micro-AB connector
  • Compatible Arduino™ Uno V3 connectors
  • On-board ST-LINK/V2-1 debugger
  • USB ST-LINK functions: Virtual COM port, mass storage, debug port
  • 5 source options for power supply
    • ST-LINK/V2-1 USB connector
    • User USB FS connector
    • VIN from Arduino™ connector
    • 5 V from Arduino™ connector
    • USB charger
  • 2 possible supply voltages for the MCU: 1.8 V and 3.3 V


Board pinout

Pins Legend

/media/uploads/bcostm/pinout_legend_2017-06-28-2.png

You can find more details on the available pins and labels in the PeripheralPins.c and PinNames.h files.

These files can be found in:

  • ARMmbed/mbed-os repository on GitHub (up-to-date version, used with mbed CLI commands)

https://github.com/ARMmbed/mbed-os/blob/master/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L496xG/TARGET_DISCO_L496AG/

  • mbed-dev library in developer.mbed.org (source files of the mbed library used on mbed compiler IDE)

https://developer.mbed.org/users/mbed_official/code/mbed-dev/file/default/targets/TARGET_STM/TARGET_STM32L4/TARGET_STM32L496xG/TARGET_DISCO_L496AG/

Arduino-compatible headers

/media/uploads/bcostm/disco_l496ag_2018_03_21_arduino_left.png /media/uploads/bcostm/disco_l496ag_2018_03_21_arduino_right.png

STMod+ header

/media/uploads/bcostm/disco_l496ag_2018_06_25a_arduino_stmod.png


mbed-os examples

These official mbed-os examples have been tested on this board:

You can find more mbed-os examples here HERE


Technical references

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Known limitations

The following section describes known limitations of the platform. Note that general issues are tracked into the mbed repository available on GitHub.

  • The volume name when the board is connected is displayed DIS_L496ZG while it should be DIS_L496AG (to be aligned with the STM32L496AG MCU on the board). This is only cosmetic and it has no effect with STLink communication (drag&drop, debug and VCP).

If you want to change the volume name, you can run the command:
ST-LinkUpgrade.exe -force_prog -msvcp -volume DIS_L496AG (you have to install first the STLink Utility software).

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