STM32L4R9I-DISCO Development Boards & Kits - ARM

STM32L4R9I-DISCO Development Boards & Kits - ARM

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Application

The STM32L4R9I-DISCO Discovery Kit is a complete evaluation platform for the STM32L4R9AI ultra-low-power Arm Cortex-M4 microcontroller, designed to demonstrate advanced graphics, multimedia, and energy-efficient embedded applications. The board integrates a 1.2-inch round 390 × 390 AMOLED display with MIPI® DSI interface and capacitive touch panel, enabling high-quality graphical user interfaces with low power consumption. It features a 2 MB Flash STM32L4R9AI MCU, 640 KB SRAM, Chrom-ART Accelerator™, 512 Mbit Octo-SPI Flash, 16 Mbit PSRAM, USB OTG Full-Speed, microSD card interface, 8-bit camera interface, SAI audio codec, stereo headset output, analog microphone input, and dual digital MEMS microphones. The integrated ST-LINK/V2-1 debugger/programmer, IDD current measurement capability, and Arduino™ Uno V3, STMod+, and Pmod™ expansion connectors provide a complete environment for rapid prototyping. The STM32L4R9I-DISCO is ideal for ultra-low-power graphical HMIs, wearable devices, smart appliances, IoT terminals, portable medical equipment, audio applications, and advanced embedded user-interface development. It is an **Active** Discovery Kit from STMicroelectronics. :contentReference[oaicite:0]{index=0}