STMicroelectronics STM32F769AIY6TR

Overview

STM32F769AIY6TR from STMicroelectronics is a high-performance Arm® Cortex®-M7 32-bit microcontroller with integrated FPU, delivering 462 DMIPS at 216 MHz, 2 MB flash (dual-bank), 512 KB SRAM (including 128 KB data TCM), and advanced graphics acceleration via Chrom-ART and hardware JPEG codec. It integrates MIPI DSI host controller (720p@30 Hz), LCD-TFT controller (XGA), USB OTG HS/FS, 10/100 Ethernet MAC, and triple CAN 2.0B - deployed in industrial HMI, medical imaging terminals, and connected multimedia gateways.

For engineers reviewing the STM32F769AIY6TR datasheet, STM32F769AIY6TR pinout, STM32F769AIY6TR application, or STM32F769AIY6TR equivalent, key selection criteria include dual-bank flash for safe firmware updates, DSI interface timing compliance, TCM RAM allocation for real-time control loops, and Ethernet IEEE 1588v2 hardware timestamping capability.

Technical Context

The device implements a tightly coupled memory architecture with separate 16 KB I/D L1 caches and ART Accelerator enabling zero-wait-state execution from flash or external memories. Its AXI-AHB bus matrix supports concurrent high-bandwidth access to flash, SRAM, FMC, and peripherals - critical for real-time graphics rendering and multi-protocol communication stacks.

Graphics subsystem includes dedicated DMA2D (Chrom-ART) for 2D composition and overlay blending, hardware JPEG encoder/decoder supporting YUV422/RGB565 output, and MIPI D-PHY compliant DSIHOST with programmable lane count (1–4) and ultra-low-power mode support per MIPI specification v1.1.

Key Specifications

Pinout & Package

STM32F769AIY6TR is housed in a 176-ball Ultra Fine Pitch Ball Grid Array (UFBGA176) package with 0.65 mm ball pitch and 10 mm × 10 mm body size. The package complies with ECOPACK2 environmental standards and supports reflow soldering per JEDEC J-STD-020.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F769AIY6TR, STM32H743VIT6 offers higher computational headroom but adds complexity in dual-core coordination and lacks DSI integration, while STM32F767ZIT6 reduces BOM cost and simplifies assembly but sacrifices display interface flexibility and high-speed video capability.

Availability

STM32F769AIY6TR is available at Aetrix Electronics and suitable for industrial HMI terminals, medical imaging displays, and smart building gateways requiring stable component supply, long-term manufacturability, and full lifecycle support through 2030.

Supply support for STM32F769AIY6TR 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 automotive-grade components since 1987.

The STM32F7 series targets high-end embedded applications demanding real-time performance, rich graphics, and multi-protocol connectivity - specifically engineered for human-machine interfaces, industrial automation, and medical electronics where deterministic response and visual fidelity are critical.

FAQ

What is the maximum supported resolution for the MIPI DSI interface on STM32F769AIY6TR?

The MIPI DSI host controller supports up to 720p (1280×720) at 30 Hz with 4-lane configuration and 500 Mbps per lane. Resolution and frame rate depend on D-PHY clock frequency, lane count, and pixel format (RGB888, RGB565, YUV422); actual timing must be validated against target panel's DSI timing requirements and MIPI D-PHY v1.1 electrical specs.

Does STM32F769AIY6TR support USB High-Speed device mode without an external PHY?

Yes - the integrated USB 2.0 high-speed PHY supports full-speed and high-speed device mode natively. For host or OTG operation at HS speeds, the ULPI interface must be used with an external transceiver; device-only HS mode can operate using the on-chip PHY alone, eliminating external components for simple peripheral implementations.

How is the 128 KB data TCM RAM physically allocated and accessed?

The 128 KB data TCM RAM is mapped to address range 0x20000000–0x2001FFFF and is accessible only by the Cortex-M7 core with zero wait states and no cache coherency overhead. It is typically used for real-time control buffers, PID coefficient tables, and interrupt service routine data structures requiring guaranteed latency below 100 ns.

Can the Flexible Memory Controller (FMC) interface be used simultaneously with the Quad-SPI peripheral?

No - FMC and Quad-SPI share physical pins (e.g., FMC_A[0:25], FMC_D[0:31] overlap with QUADSPI_IO0–IO3 and CLK). They are mutually exclusive in hardware; selecting one disables the other. Designers must choose based on external memory type: FMC for SDRAM/NOR/NAND, Quad-SPI for serial flash or RAM with lower pin count.