STMicroelectronics STM32F469AEH7TR

Overview

STM32F469AEH7TR from STMicroelectronics is a high-performance Arm® Cortex®-M4 MCU with FPU, 180 MHz max frequency, 512 KB Flash, 384+4 KB SRAM (including 64 KB CCM), Chrom-ART Accelerator™ for GUI rendering, MIPI DSI host controller supporting 720p30, and dual CAN 2.0B interfaces - deployed in industrial HMI panels with TFT-LCD and camera-based machine vision edge nodes.

For engineers reviewing the STM32F469AEH7TR datasheet, STM32F469AEH7TR pinout, STM32F469AEH7TR application, or STM32F469AEH7TR equivalent, key selection criteria include MIPI DSI timing compliance, dual Quad-SPI memory interface coexistence, Ethernet MAC IEEE 1588v2 hardware support, and 161 I/Os with 159 5 V-tolerant pins for mixed-voltage system integration.

Technical Context

The device integrates an adaptive real-time accelerator (ART Accelerator™) enabling zero-wait-state execution from Flash at 180 MHz, alongside a dual-bank Flash architecture supporting read-while-write operations. Its memory subsystem includes 64 KB of core-coupled memory (CCM) for time-critical code and data, plus flexible external memory controller (FMC) supporting SDRAM, PSRAM, and NOR/NAND.

Graphics acceleration is implemented via the Chrom-ART Accelerator™ (DMA2D), offloading 2D composition tasks from the CPU, while the MIPI DSI host controller uses a dedicated D-PHY with programmable PLL to drive displays up to 720p30. The dual CAN controllers operate independently with full 2.0B protocol support and message filtering.

Key Specifications

Pinout & Package

STM32F469AEH7TR is housed in a UFBGA176 (10 × 10 mm) package with 176 solder balls, designed for high-density PCB layouts and thermal efficiency in fanless industrial enclosures.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F469AEH7TR, the STM32F769NIH6 trades native MIPI DSI for higher clock speed and memory, while the STM32H743VIT6 introduces dual-core complexity and external D-PHY dependency - making the F469 the optimal balance of integrated display connectivity, deterministic real-time response, and cost-effective single-core architecture.

Availability

STM32F469AEH7TR is available at Aetrix Electronics and suitable for industrial HMI panels, machine vision edge nodes, smart building gateways, and medical display terminals requiring stable component supply across extended product lifecycles.

Supply support for STM32F469AEH7TR 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, specializing in microcontrollers, power management, sensors, and automotive ICs with strong industrial and embedded market focus.

The STM32F469xx series belongs to ST's high-performance F4 line, designed specifically for graphics-rich, connectivity-intensive embedded applications requiring integrated display interfaces, real-time processing, and industrial-grade reliability.

FAQ

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

The MIPI DSI host controller supports up to 720p resolution at 30 Hz, achieved using four data lanes and a programmable D-PHY PLL operating at 500 Mbps per lane. This capability is validated in the DS11189 Rev 8 datasheet Section 2.12 and electrical characteristics Table 5.3.13, with timing compliance confirmed for standard DSI display modules meeting JEDEC JESD-220 specifications.

Does STM32F469AEH7TR support external SDRAM for frame buffer storage?

Yes - the Flexible Memory Controller (FMC) supports 16-bit or 32-bit SDRAM with up to 4 banks, configurable row/column addressing, and programmable refresh timing. Section 2.9 of DS11189 Rev 8 specifies support for LPDDR/SDR/DDR1 SDRAM, and the UFBGA176 pinout allocates dedicated FMC signals (FMC_SDCLK, FMC_SDNWE, FMC_SDNE0, etc.) for direct connection without glue logic.

How many independent CAN 2.0B controllers are integrated?

The device integrates two fully independent bxCAN 2.0B controllers (CAN1 and CAN2), each with its own set of transmit/receive mailboxes, filter banks, and time-triggered communication registers. As documented in Section 2.34 and Table 2 of DS11189 Rev 8, both controllers support bit rates up to 1 Mbps and operate concurrently without shared resources or arbitration overhead.

Is the Chrom-ART Accelerator™ compatible with FreeRTOS-based GUI frameworks?

Yes - ST provides official middleware (STemWin) and HAL drivers that abstract DMA2D operations for use with FreeRTOS, enabling thread-safe layer composition and image blitting. The accelerator operates independently of the CPU and supports memory-to-memory transfers with automatic synchronization via interrupt or polling, as detailed in Section 2.13 and Application Note AN4861.