STMicroelectronics STM32F429VIT6G

Overview

STM32F429VIT6G from STMicroelectronics is a 32-bit Arm® Cortex®-M4 MCU with FPU, operating at up to 180 MHz (225 DMIPS), featuring 2 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 dual USB OTG (FS + HS) with dedicated DMA. It targets high-resolution embedded HMI systems requiring real-time graphics, camera input, and industrial connectivity.

For engineers reviewing the STM32F429VIT6G datasheet, STM32F429VIT6G pinout, STM32F429VIT6G application, or STM32F429VIT6G equivalent, key selection criteria include LCD-TFT controller capability, Chrom-ART Accelerator™ (DMA2D) for hardware-accelerated 2D graphics, dual CAN 2.0B support, Ethernet MAC with IEEE 1588v2 hardware timestamping, and 168 I/Os with 90 MHz toggle rate and 5 V tolerance.

Technical Context

The STM32F429VIT6G implements an adaptive real-time memory accelerator (ART Accelerator™) enabling zero-wait-state execution from flash at 180 MHz, paired with a Memory Protection Unit (MPU) for secure task isolation. Its multi-AHB bus matrix supports concurrent access to flash, SRAM, peripherals, and external memory via the Flexible Memory Controller (FMC).

The device integrates a dedicated LCD-TFT controller (LTDC) with programmable timing, RGB/YUV output, and layer blending - exclusive to the F429xx series - alongside the Chrom-ART Accelerator™ (DMA2D) for hardware-accelerated image copy, format conversion, and alpha-blending without CPU load.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm) package with exposed thermal pad; RoHS-compliant, ECOPACK2 certified.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F427VIT6, the STM32F429VIT6G adds integrated display control and graphics acceleration - eliminating external components and reducing BOM cost for TFT-based HMIs. Versus STM32H743VIT6, it offers proven parallel RGB support and simpler power sequencing, making it preferable for cost-sensitive industrial displays where 180 MHz performance suffices.

Availability

STM32F429VIT6G is available at Aetrix Electronics and suitable for industrial HMI development, medical imaging terminals, smart building gateways, and automotive diagnostic tools requiring stable component supply and long-term production support through February 2026.

Supply support for STM32F429VIT6G 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 analog products for industrial, automotive, and consumer markets.

The STM32F4-series targets high-performance embedded applications demanding real-time processing, rich graphics, and multi-protocol connectivity - optimized for industrial HMIs, medical devices, and IoT edge nodes with integrated display and communication subsystems.

FAQ

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

The STM32F429VIT6G's LCD-TFT controller (LTDC) supports total display resolutions up to 4096 pixels wide and 2048 lines tall, with pixel clock frequencies up to 83 MHz. This enables native UXGA (1600×1200), WUXGA (1920×1200), and custom high-resolution panels without external timing controllers.

Does STM32F429VIT6G support hardware-accelerated 2D graphics operations?

Yes - the Chrom-ART Accelerator™ (DMA2D) provides dedicated hardware for memory-to-memory copy, format conversion (e.g., ARGB8888 to RGB565), and alpha-blending. It operates independently of the CPU and achieves throughput up to 120 MB/s, significantly accelerating GUI rendering and image processing tasks.

Can STM32F429VIT6G operate with both USB Full-Speed and High-Speed simultaneously?

No - the device contains two separate USB OTG controllers: one FS-only (with on-chip PHY) and one HS/FS-capable (requiring external ULPI PHY). They share no resources but cannot be active in host+device mode simultaneously on both; however, one can serve as host while the other acts as device, subject to software stack constraints.

What external memory types are supported by the Flexible Memory Controller (FMC)?

The FMC supports SRAM, PSRAM, NOR flash, NAND flash, and SDRAM/LPSDR SDRAM with data bus widths up to 32 bits. It includes dedicated control signals for each type and supports asynchronous and synchronous protocols - enabling expansion of framebuffer memory, firmware storage, or real-time data buffering beyond internal SRAM limits.