STMicroelectronics STM32F469NGH6

Overview

STM32F469NGH6 from STMicroelectronics is a high-performance Arm® Cortex®-M4 32-bit MCU with FPU, operating up to 180 MHz (225 DMIPS), featuring 2 MB flash (dual-bank), 384+4 KB SRAM (including 64 KB CCM), Chrom-ART Accelerator™ for graphics acceleration, MIPI DSI host controller (720p@30 Hz), and integrated LCD-TFT controller supporting XGA resolution. It targets embedded HMI systems requiring rich graphical interfaces, real-time control, and multi-interface connectivity.

For engineers reviewing the STM32F469NGH6 datasheet, STM32F469NGH6 pinout, STM32F469NGH6 application, or STM32F469NGH6 equivalent, key selection considerations include its dual Quad-SPI interface, 10/100 Ethernet MAC with IEEE 1588v2 hardware support, USB OTG HS/FS with dedicated DMA, and 8–14-bit parallel camera interface (54 MB/s) - all critical for industrial HMIs, medical displays, and connected edge devices.

Technical Context

The STM32F469NGH6 integrates an adaptive real-time accelerator (ART Accelerator™) enabling zero-wait-state execution from flash at 180 MHz, alongside a memory protection unit (MPU) and dual-bank flash architecture supporting read-while-write operations. Its graphics subsystem combines the Chrom-ART Accelerator™ (DMA2D) with parallel LCD-TFT and MIPI DSI controllers - enabling hardware-accelerated 2D composition and seamless display pipeline integration.

Timing and connectivity are tightly coupled: the device includes two independent PLLs (PLLI2S for audio, PLLSAI for LCD/DSI), dedicated USB power rail for full PHY operation across 1.7–3.6 V, and a 10/100 Ethernet MAC with hardware timestamping for deterministic networking. The 161 I/Os include 159 5 V-tolerant pins and support for up to 24-channel 12-bit ADC (7.2 MSPS triple interleaved mode).

Key Specifications

Pinout & Package

STM32F469NGH6 is housed in a UFBGA176 package (10 × 10 mm, 0.8 mm pitch), with 168 balls (176 signal + 8 ground/power). Pin functions are validated per STMicroelectronics DS11189 Rev 8, Section 3 ("Pinouts and pin description").

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F469NGH6, the STM32F769NIH6 trades camera interface for higher CPU bandwidth and cache, while the RA6M5GFP sacrifices display acceleration for hardware security and lower power - making the F469NGH6 uniquely balanced for cost-sensitive, camera-equipped HMI designs requiring MIPI DSI and real-time graphics.

Availability

STM32F469NGH6 is available at Aetrix Electronics and suitable for industrial HMI panels, medical imaging displays, smart building gateways, and automotive infotainment prototypes requiring stable component supply and long-term manufacturability.

Supply support for STM32F469NGH6 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 components for industrial, automotive, and consumer markets.

The STM32F469xx series belongs to ST's high-performance Cortex-M4 portfolio, engineered specifically for human-machine interface applications demanding integrated graphics acceleration, multi-display support, and rich peripheral connectivity in resource-constrained embedded systems.

FAQ

What is the maximum resolution supported by the LTDC controller?

The LTDC (LCD-TFT Display Controller) supports up to XGA resolution (1024×768) with 24-bit RGB interface and hardware gamma correction. It includes programmable timing generators, layer blending (up to 3 layers), and alpha blending - enabling smooth transitions and overlay effects without CPU intervention.

Does STM32F469NGH6 support external SDRAM, and what is the maximum clock rate?

Yes, the Flexible Memory Controller (FMC) supports external SDRAM with up to 16 MB address space and 16-bit data bus. It operates at up to 90 MHz (180 MHz FMC clock with divide-by-2), meeting JEDEC standard timings for IS42S16400J-6BL and compatible parts.

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

The Chrom-ART Accelerator™ (DMA2D) performs 2D graphics operations - including memory-to-memory copy, pixel format conversion (RGB565 ↔ ARGB8888), alpha blending, and line/polygon drawing - entirely in hardware. This reduces typical GUI rendering CPU utilization from >60% to <15% in Qt-based applications.

Can STM32F469NGH6 operate with only the internal 16 MHz RC oscillator?

Yes, the factory-trimmed 16 MHz HSI RC oscillator (±1% accuracy) can serve as system clock source. However, USB OTG HS, Ethernet MAC, and MIPI DSI require precise timing and must use HSE (4–26 MHz crystal) or PLL-derived clocks - HSI alone is insufficient for those peripherals.