STMicroelectronics STM32F429AGH6

Overview

STM32F429AGH6 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, operating up to 180 MHz (225 DMIPS), featuring 1 MB flash, 256+4 KB SRAM (including 64 KB CCM), integrated LCD-TFT controller supporting up to 4096×2048 resolution at 83 MHz pixel clock, and Chrom-ART Accelerator™ for hardware-accelerated 2D graphics. It targets high-resolution embedded HMI applications such as industrial panel displays and medical visualization terminals.

For engineers reviewing the STM32F429AGH6 datasheet, STM32F429AGH6 pinout, STM32F429AGH6 application, or STM32F429AGH6 equivalent, key selection considerations include its dual USB OTG (FS/HS), 10/100 Ethernet MAC with IEEE 1588v2 support, parallel camera interface (54 MB/s), and LCD-TFT controller with dedicated LTDC peripheral - all in a 144-pin LQFP package.

Technical Context

The STM32F429AGH6 implements an Arm Cortex-M4 core with floating-point unit and DSP extensions, paired with ST's Adaptive Real-time Accelerator (ART Accelerator™) enabling zero-wait-state execution from flash at 180 MHz. Its memory subsystem includes dual-bank flash (read-while-write), 256 KB main SRAM plus 4 KB backup SRAM, and 64 KB CCM RAM tightly coupled to the CPU for deterministic real-time data access.

It integrates a full-featured LCD-TFT controller (LTDC) with programmable timing, layer blending, and alpha channel support, coupled with the Chrom-ART Accelerator™ (DMA2D) for hardware-accelerated bitmap copy, format conversion, and arithmetic blending - eliminating CPU load for GUI rendering tasks. The device also embeds dual CAN 2.0B controllers, SDIO, SAI, and two independent 12-bit DACs.

Key Specifications

Pinout & Package

LQFP144 (20 × 20 mm), 0.5 mm pitch, ECOPACK2-compliant package with exposed thermal pad (package code: 1A).

Key Features

Applications

Equivalent & Alternatives

The following parts are listed as comparable options for similar high-performance ARM Cortex-M4 HMI applications.

Compared with STM32F429IGT6, the AGH6 trades memory capacity and package size for compact LQFP144 layout; versus STM32F767ZIT6, it prioritizes integrated display acceleration over raw CPU throughput - making it optimal for cost-sensitive, single-display HMI designs requiring minimal external components.

Availability

STM32F429AGH6 is available at Aetrix Electronics and suitable for industrial HMI panels, medical imaging terminals, smart building gateways, and automotive diagnostic tools requiring stable component supply across multi-year production cycles.

Supply support for STM32F429AGH6 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.

The STM32F4-series targets high-performance embedded applications demanding real-time processing, rich graphics, and multi-protocol connectivity - with the F429 variant specifically architected for integrated display and vision systems.

FAQ

What is the maximum resolution supported by the built-in LCD-TFT controller?

The LTDC controller supports total display resolutions up to 4096 pixels wide and 2048 lines tall, with pixel clock frequencies up to 83 MHz. This enables native support for WUXGA (1920×1200) and QXGA (2048×1536) panels at 60 Hz refresh rates using standard RGB888 or RGB565 interfaces - no external timing controller required.

Does STM32F429AGH6 support hardware-accelerated graphics operations?

Yes - the Chrom-ART Accelerator™ (DMA2D) provides dedicated hardware for bitmap copy, transparency processing, color format conversion (e.g., RGB565 to ARGB8888), and arithmetic blending. It operates independently of the CPU and reduces GUI rendering latency by offloading repetitive 2D operations typically handled in software.

Can the device interface directly with a parallel CMOS camera sensor?

Yes - the 8–14-bit Digital Camera Interface (DCMI) supports synchronous parallel video input at up to 54 MB/s. It accepts standard HSYNC/VSYNC/PIXCLK timing and accommodates common sensor outputs (e.g., OV5640, MT9V034) without external FIFO or glue logic, enabling real-time image capture for machine vision or medical imaging.

What are the key differences between STM32F429AGH6 and STM32F427AGH6?

The STM32F429AGH6 includes the LCD-TFT controller (LTDC) and Chrom-ART Accelerator™ - features absent in the F427 variant. Both share identical CPU, memory, USB/Ethernet/CAN peripherals, and package; the F429 is functionally a superset optimized for display-rich applications, while the F427 targets general-purpose high-performance control without integrated graphics.