STMicroelectronics STM32F769IIT6

Overview

STM32F769IIT6 from STMicroelectronics is an Arm® Cortex®-M7 32-bit microcontroller with FPU, delivering 462 DMIPS at 216 MHz, featuring 2 MB dual-bank flash, 512+16+4 KB RAM, MIPI DSI host controller (720p@30 Hz), and LCD-TFT controller (XGA). It integrates Chrom-ART Accelerator, hardware JPEG codec, and USB OTG HS/FS for embedded HMI applications in industrial panels and medical displays.

For engineers reviewing the STM32F769IIT6 datasheet, STM32F769IIT6 pinout, STM32F769IIT6 application, or STM32F769IIT6 equivalent, key selection criteria include DSI interface capability, dual-bank flash RWW support, TCM RAM allocation for real-time tasks, and Ethernet MAC with IEEE 1588v2 hardware timestamping.

Technical Context

The STM32F769IIT6 implements a tightly coupled Arm Cortex-M7 core with ART Accelerator and 16 KB I/D cache, enabling zero-wait-state execution from flash or external memory. Its memory subsystem includes 512 KB data TCM RAM for deterministic real-time data handling and 16 KB instruction TCM RAM for latency-critical routines.

Graphics acceleration is handled by the Chrom-ART Accelerator (DMA2D) and dedicated hardware JPEG codec, while display output is managed via dual-path interfaces: parallel LCD-TFT (up to XGA) and MIPI DSI host (up to 720p@30 Hz). The DSI PHY complies with MIPI D-PHY v1.2 and supports LP/HS mode switching with programmable timing registers.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm) package with 100 pins, ECOPACK2-compliant, rated for industrial temperature range (–40°C to +85°C).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance HMI microcontroller applications.

Compared with STM32F767ZIT6, the STM32F769IIT6 adds native DSI support at identical price point and footprint, eliminating bridge IC BOM cost and layout area; versus STM32H743VIT6, it trades peak performance for simpler DSI integration and lower power in display-centric applications.

Availability

STM32F769IIT6 is available at Aetrix Electronics and suitable for industrial HMI panels, medical diagnostic displays, smart building gateways, and automotive infotainment prototypes requiring stable component supply and long-term manufacturability.

Supply support for STM32F769IIT6 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, Switzerland, designing and manufacturing microcontrollers, power management ICs, sensors, and analog devices for industrial, automotive, and consumer markets.

The STM32F7-series targets high-end embedded applications demanding real-time performance, rich graphics, and connectivity - specifically engineered for human-machine interfaces with integrated display, audio, and network peripherals.

FAQ

What is the maximum resolution supported by the DSI host interface?

The STM32F769IIT6 DSI host controller supports up to 720p (1280×720) at 30 Hz using 2-lane configuration with LP/HS mode switching. Timing parameters are fully programmable per MIPI D-PHY v1.2 spec, and lane count, clock frequency, and video packet format are configured via DSIHOST registers. Frame rate is limited by APB clock domain and pixel clock generation accuracy.

Does the STM32F769IIT6 support hardware encryption acceleration?

Yes - it includes a cryptographic processor supporting AES-128/192/256 (ECB/CBC/CTR/GCM), SHA-1/SHA-224/SHA-256, and HMAC. The RNG provides NIST SP800-90B–compliant entropy for key generation. These accelerators operate independently of the CPU core and are accessible via DMA, enabling secure boot and TLS offload without software overhead.

Can the internal flash be used for both program execution and data logging simultaneously?

Yes - the dual-bank flash architecture allows Read-While-Write (RWW) operation: one bank executes code while the other is erased or programmed. This enables safe over-the-air firmware updates and real-time data logging to flash without halting application execution, provided bank boundaries and sector alignment are observed per RM0410 reference manual.

What debug interfaces are available on the STM32F769IIT6?

The device supports SWD (Serial Wire Debug) and JTAG interfaces via dedicated pins (SWCLK, SWDIO, JTCK, JTDI, JTDO, JTMS). It also integrates the Cortex-M7 Trace Macrocell™ for real-time instruction and data trace via SWO or parallel trace port, enabling non-intrusive profiling and timing analysis in complex RTOS environments.