STMicroelectronics – Evaluation board enables rapid development of graphics-rich applications based on STM32L4+ MCU

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STMicroelectronics has introduced a full-featured development kit for the new STM32L4+ family of microcontrollers based on the ARM® Cortex®-M4 processor core.

The STM32L4R9I-DISCO kit takes advantage of the innovative low-power features, the 640kbytes of embedded RAM, the graphics performance and the Display Serial Interface (DSI) controller provided by its STM32L4R9AI microcontroller.

The kit enables users to easily develop applications which offer excellent energy efficiency, stunning audio and graphics rendering along with direct support for a circular LCD.

The STM32L4R9I-DISCO’s board includes a 24bpp, 1.2″ circular LCD in a 390px x 390px format. The display has a capacitive touch- sensing interface. The board also includes MEMS digital microphones and an audio codec.

Arduino, PmodTM and STMod+ connectors make it easy to expand the system with peripheral boards and shields.

The associated embedded software and tools are based on ST’s easy-to-use STM32Cube platform. This comprises the STM32CubeMX initialisation-code generator and configurator
with power estimation, and the STM32CubeL4 software package.

FEATURES

  • On-board current measurement
  • Two user LEDs
  • Reset push-button
  • Four-direction joystick with selection button
  • On-board connectors:
    - 8-bit camera
    - USB Micro-AB
    - Stereo headset jack including analogue microphone input
  • microSDTM card

APPLICATIONS

  • As above for the STM32L4+

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Orderable Part Number: STM32L4R9I-DISCO