STMicroelectronics STM32F469ZGT6

Overview

STM32F469ZGT6 from STMicroelectronics is a high-performance Arm® Cortex®-M4 MCU with FPU and ART Accelerator™, operating at up to 180 MHz (225 DMIPS), featuring 2 MB dual-bank Flash, 384+4 KB SRAM (including 64 KB CCM), integrated Chrom-ART Accelerator™ for GUI rendering, MIPI DSI host controller (720p@30 Hz), and LCD-TFT controller (XGA). It targets embedded HMI applications requiring real-time graphics, camera interface (DCMI, 54 MB/s), and industrial connectivity including dual CAN 2.0B, USB OTG HS/FS, and 10/100 Ethernet MAC.

For engineers reviewing the STM32F469ZGT6 datasheet, STM32F469ZGT6 pinout, STM32F469ZGT6 application, or STM32F469ZGT6 equivalent, key selection considerations include its LQFP144 package with 144 pins, 180 MHz CPU clock, dual Quad-SPI support, hardware-accelerated 2D graphics (DMA2D), and integrated MIPI DSI PHY - critical for display-rich edge devices in medical panels, industrial HMIs, and smart building controllers.

Technical Context

The STM32F469ZGT6 integrates an Arm Cortex-M4 core with FPU and MPU, coupled with ST's ART Accelerator™ enabling zero-wait-state execution from Flash at 180 MHz. Its memory subsystem includes dual-bank Flash (enabling read-while-write) and 384 KB main SRAM plus 4 KB backup SRAM, with dedicated CCM RAM for time-critical code/data.

Graphics acceleration is implemented via the Chrom-ART Accelerator™ (DMA2D), offloading pixel format conversion, blending, and layer composition from the CPU. The MIPI DSI host controller supports one high-speed data lane and one clock lane, compliant with MIPI D-PHY v1.2, and interfaces directly with display modules without external bridge ICs.

Key Specifications

Pinout & Package

LQFP144 (20 × 20 mm, 0.5 mm pitch) package with 144 leads; RoHS-compliant, moisture sensitivity level 3 (MSL3).

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F469ZGT6, the STM32F769NI offers higher CPU throughput and memory but omits DCMI - limiting vision use cases; the STM32H743VI delivers greater compute density and flexibility but increases BOM cost and design effort due to missing integrated DSI PHY and added bridge requirements.

Availability

STM32F469ZGT6 is available at Aetrix Electronics and suitable for industrial HMI, medical diagnostic displays, smart building gateways, and automated test equipment requiring stable component supply, long-term lifecycle assurance, and qualified sourcing for production ramp.

Supply support for STM32F469ZGT6 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 semiconductors since 1987.

The STM32F469 series belongs to ST's high-performance Cortex-M4 portfolio, engineered specifically for human-machine interface applications demanding integrated graphics acceleration, rich peripheral connectivity, and real-time determinism in resource-constrained embedded systems.

FAQ

What is the maximum resolution supported by the STM32F469ZGT6's LCD-TFT controller?

The LCD-TFT controller (LTDC) supports up to XGA resolution (1024×768 pixels) in RGB888 mode with 24-bit color depth. It includes programmable horizontal/vertical synchronization timing, pixel clock generation up to 75 MHz, and support for active matrix TFT panels with integrated gamma correction tables stored in SRAM.

Does the STM32F469ZGT6 support hardware JPEG decoding?

No, the STM32F469ZGT6 does not include a hardware JPEG decoder. It relies on software-based decoding using its Cortex-M4 FPU and DMA2D for accelerated YUV/RGB conversion and scaling. For hardware JPEG decode, consider the STM32H743 or STM32U5 series with dedicated JPEG codecs.

Can the MIPI DSI interface operate without an external PHY chip?

Yes - the STM32F469ZGT6 integrates a compliant MIPI D-PHY v1.2 transmitter (1 clock lane + 1 data lane), eliminating the need for external PHY ICs. It supports high-speed burst mode and LPDT (Low-Power Data Transmission) for panel power management, with configurable slew rate and termination for signal integrity tuning.

What is the purpose of the 64 KB CCM (core coupled memory) in this MCU?

The 64 KB CCM SRAM is physically connected directly to the Cortex-M4 core's instruction and data buses, providing zero-wait-state access independent of the main AHB bus. It is used for time-critical code (e.g., ISRs, real-time control loops) and sensitive data (e.g., cryptographic keys), ensuring deterministic latency and isolation from bus contention.