STMicroelectronics STM32F769I-DISC1

Overview

STM32F769I-DISC1 from STMicroelectronics is a Discovery kit development board centered on the STM32F769NIH6 Arm® Cortex®-M7 microcontroller (2 MB Flash, 532 KB RAM, TFBGA216), featuring a 4-inch 800×472 capacitive touch TFT LCD, SAI audio codec, four ST MEMS digital microphones, 128-Mbit SDRAM, and 512-Mbit Quad-SPI flash - designed for rapid prototyping of graphics-rich, audio-enabled embedded applications.

For engineers reviewing the STM32F769I-DISC1 datasheet, STM32F769I-DISC1 pinout, STM32F769I-DISC1 application, or STM32F769I-DISC1 equivalent, this board serves as a validated hardware reference for evaluating STM32F769NIH6 peripheral integration, display interface timing (MIPI DSI), audio subsystem design (SAI + DFSDM), Ethernet connectivity (IEEE 802.3), and ARDUINO® Uno V3 expansion compatibility.

Technical Context

The STM32F769I-DISC1 implements a full-system evaluation platform where the STM32F769NIH6 MCU operates at up to 216 MHz with dual-bank Flash, FMC-controlled SDRAM, and parallel LCD interface routed to the onboard display. Its MIPI DSI connector supports direct connection to external DSI panels, while SPDIF RCA I/O and stereo speaker outputs enable end-to-end audio path validation.

Power architecture integrates multiple sourcing options: USB OTG HS, ST-LINK/V2-1 USB, PoE (IEEE 802.3af), and external 3.3/5 V rails - enabling testing under real-world supply conditions. The on-board ST-LINK/V2-1 provides mass storage, Virtual COM port, and SWD debugging without external tools.

Key Specifications

Availability

STM32F769I-DISC1 is available at Aetrix Electronics and suitable for embedded GUI development, industrial HMI prototyping, audio edge-processing evaluation, and educational MCU curriculum requiring stable component supply and full-feature reference hardware.

Supply support for STM32F769I-DISC1 includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, designing and manufacturing microcontrollers, analog ICs, power devices, and sensors for automotive, industrial, and consumer markets.

The STM32 Discovery kit product line delivers fully integrated, production-ready evaluation platforms targeting rapid validation of high-performance MCU features - especially graphics, audio, connectivity, and security subsystems - for professional developers and academic institutions.

FAQ

What is the difference between STM32F769I-DISC1 and STM32F769I-DISCO?

The STM32F769I-DISC1 is the base Discovery kit board without the 4-inch LCD daughterboard (MB1166), whereas STM32F769I-DISCO includes both the main board (MB1225) and the LCD daughterboard. The DISC1 variant targets users who require only the core MCU platform with DSI, Ethernet, and audio interfaces - enabling custom display integration or cost-optimized evaluation.

Does STM32F769I-DISC1 support HDMI output?

No - HDMI output is not native. It requires the optional B-LCDAD-HDMI1 adapter board, which converts the onboard MIPI DSI signal to HDMI 1.4. The DISC1 board itself provides only the DSI connector and does not include HDMI PHY circuitry or firmware support out-of-box.

Can the STM32F769I-DISC1 be powered via Power over Ethernet?

Yes - it supports IEEE 802.3af PoE as a powered device (PD), converting 48 V from the RJ45 Ethernet port to regulated 5 V using an integrated PoE interface IC. This enables single-cable deployment in networked industrial or building automation environments without separate power wiring.

Which IDEs are officially supported for STM32F769I-DISC1 firmware development?

STMicroelectronics officially supports IAR Embedded Workbench®, Keil MDK-ARM, and STM32CubeIDE. All three provide preconfigured project templates, debug probe drivers for ST-LINK/V2-1, and access to STM32CubeMX for clock tree and peripheral initialization - with full HAL and LL driver library integration.