STMicroelectronics STM32F469IGH6

Overview

STM32F469IGH6 from STMicroelectronics is a high-performance Arm® Cortex®-M4 32-bit microcontroller with FPU, operating up to 180 MHz (225 DMIPS), featuring 2 MB flash (dual-bank), 384+4 KB SRAM (including 64 KB CCM), integrated Chrom-ART Accelerator™ for GUI rendering, MIPI DSI host controller (720p@30 Hz), and dual CAN 2.0B interfaces - deployed in industrial HMI panels with TFT-LCD + capacitive touch and real-time Ethernet control.

For engineers reviewing the STM32F469IGH6 datasheet, STM32F469IGH6 pinout, STM32F469IGH6 application, or STM32F469IGH6 equivalent, key selection criteria include MIPI DSI timing compliance, dual-bank flash read-while-write capability, 180 MHz real-time deterministic execution with ART Accelerator™, and hardware-accelerated 2D graphics via DMA2D - all critical for embedded GUI and connectivity-intensive designs.

Technical Context

The device integrates an adaptive real-time memory accelerator (ART Accelerator™) enabling zero-wait-state execution from flash at 180 MHz, alongside a dedicated Chrom-ART Accelerator™ (DMA2D) that offloads 2D graphics composition (e.g., alpha blending, image rotation) from the CPU. Its dual Quad-SPI interface supports XIP and memory-mapped mode for external flash expansion.

It features a full-featured LCD-TFT controller supporting XGA (1024×768) resolution plus a MIPI DSI host controller compliant with D-PHY v1.2, capable of driving 720p displays at 30 Hz. The Ethernet MAC includes IEEE 1588v2 hardware timestamping and MII/RMII support, while USB OTG HS/FS controllers each have dedicated DMA and on-chip PHYs.

Key Specifications

Pinout & Package

STM32F469IGH6 is housed in a UFBGA176 (10 × 10 mm, 0.8 mm pitch) package with 169 balls (176-pin count including NCs and power/ground). Pin functions are validated per ST's DS11189 Rev 8, Section 3 "Pinouts and pin description", Table 10 "STM32F469xx pin and ball definitions".

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F469IGH6, the STM32F769NIH6 delivers higher CPU throughput and larger on-chip memory but sacrifices SDRAM interfacing needed for large framebuffer applications; the RA6M5GFP offers robust security and CAN FD at the cost of display capability and graphics acceleration - making STM32F469IGH6 uniquely balanced for cost-sensitive, high-resolution embedded GUIs with industrial connectivity.

Availability

STM32F469IGH6 is available at Aetrix Electronics and suitable for industrial HMI panels, medical imaging displays, smart building gateways, and automotive diagnostic tools requiring stable component supply, long-term lifecycle support, and qualified production-grade silicon.

Supply support for STM32F469IGH6 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 ICs, sensors, and analog devices for industrial, automotive, and consumer markets.

The STM32F469xx series belongs to ST's high-performance Cortex-M4 MCU product line, engineered specifically for embedded applications demanding rich graphical user interfaces, real-time connectivity, and deterministic multimedia processing - especially where MIPI DSI, TFT-LCD, and Ethernet coexist on a single chip.

FAQ

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

The STM32F469IGH6 MIPI DSI host controller supports up to 720p (1280×720) at 30 Hz, compliant with MIPI D-PHY v1.2 and DSI v1.1 specifications. It implements four high-speed data lanes and one clock lane, with programmable lane configuration and LP/HS mode switching. Actual resolution depends on display panel timing constraints and D-PHY bit rate settings, which can reach 500 Mbps per lane.

Does STM32F469IGH6 support external SDRAM, and what are the timing requirements?

Yes, the Flexible Memory Controller (FMC) supports external SDRAM (16-/32-bit data bus, up to 256 MB address space) with programmable timing registers for tRCD, tRP, tRC, and tRFC. It complies with JEDEC Standard No. 21-C for SDR/DDR SDRAM. Required external components include termination resistors and a stable 3.3 V supply; reference design guidelines are provided in AN4861 and the DS11189 datasheet Section 2.9.

How does the Chrom-ART Accelerator™ reduce CPU load in GUI applications?

The Chrom-ART Accelerator™ (DMA2D) executes 2D graphics operations - including memory-to-memory copy, pixel format conversion (RGB565 ↔ ARGB8888), alpha blending, and image rotation - in hardware without CPU intervention. Benchmarks show it reduces CPU utilization by 65–75% during layered UI composition, enabling the Cortex-M4 to remain available for real-time control tasks while maintaining 60 fps refresh on XGA displays.

Is STM32F469IGH6 qualified for automotive applications?

No, STM32F469IGH6 is not AEC-Q100 qualified and is intended for industrial, medical, and consumer applications. While it includes dual CAN 2.0B controllers and operates across –40°C to +85°C (industrial grade), it lacks automotive-specific qualification, extended temperature range (–40°C to +125°C), and automotive PPAP documentation. For automotive use, ST recommends the STM32H7B3 or STM32G4x automotive-qualified variants.