STMicroelectronics STM32F429VIT6TR

Overview

STM32F429VIT6TR from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU and ART Accelerator™, 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, and dual USB OTG (FS + HS) with dedicated DMA. It targets high-performance embedded graphics and connectivity applications such as industrial HMIs and medical display terminals.

For engineers reviewing the STM32F429VIT6TR datasheet, STM32F429VIT6TR pinout, STM32F429VIT6TR application, or STM32F429VIT6TR equivalent, key selection considerations include its LCD-TFT controller with Chrom-ART Accelerator™, dual CAN 2.0B interfaces, 10/100 Ethernet MAC with IEEE 1588v2 hardware support, and 168 I/Os with 5 V tolerance - all in LQFP100 package.

Technical Context

The device integrates an adaptive real-time memory accelerator (ART Accelerator™) enabling zero-wait-state execution from flash at 180 MHz, alongside a dedicated LCD-TFT controller (LTDC) with programmable timing and pixel clock up to 83 MHz. Its dual USB OTG subsystem includes separate full-speed PHY and ULPI-capable high-speed PHY with dedicated DMA channels.

The MCU features a multi-AHB bus matrix for concurrent peripheral access, flexible memory controller (FMC) supporting SDRAM/NOR/NAND, and dual 12-bit DACs with configurable output buffers. The Chrom-ART Accelerator™ (DMA2D) offloads 2D graphic operations including ARGB8888 blending and image format conversion without CPU intervention.

Key Specifications

Pinout & Package

LQFP100 (14 × 14 mm) package with 100 pins, ECOPACK2 compliant, rated for industrial temperature range (–40°C to +85°C).

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F429VIT6TR, STM32F767ZIT6 trades LCD-TFT integration for enhanced security and compute headroom, while STM32H743VIT6 shifts display architecture toward MIPI DSI and abandons DCMI - making the F429 uniquely suited for cost-sensitive, parallel-interface TFT + camera systems.

Availability

STM32F429VIT6TR is available at Aetrix Electronics and suitable for industrial HMIs, medical display terminals, smart building gateways, and test & measurement instruments requiring stable component supply across extended product lifecycles.

Supply support for STM32F429VIT6TR 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 connectivity, and integrated graphics - optimized for industrial control, medical devices, and human-machine interfaces.

FAQ

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

The LTDC supports total display dimensions up to 4096 pixels wide and 2048 lines tall, with pixel clock up to 83 MHz. This enables native support for WUXGA (1920×1200) at 60 Hz or QXGA (2048×1536) at lower refresh rates, depending on panel timing constraints and memory bandwidth.

Does STM32F429VIT6TR support hardware JPEG encoding/decoding?

No, the STM32F429VIT6TR does not include dedicated JPEG hardware acceleration. Image compression/decompression must be performed in software using the Cortex-M4 FPU and DMA, or offloaded to external co-processors. Chrom-ART Accelerator™ supports only 2D raster operations (blending, format conversion, scaling).

Can the USB OTG high-speed interface operate without an external ULPI PHY?

No - the HS interface requires an external ULPI-compliant PHY connected to PB10–PB15. The chip provides only the ULPI bus interface and dedicated DMA; it lacks an integrated HS PHY. Full-speed operation (PA11/PA12) uses the on-chip PHY and requires no external components.

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

The 64 KB CCM SRAM is tightly coupled to the Cortex-M4 core with zero wait states and no cache coherency overhead. It is used for time-critical code (e.g., interrupt handlers, real-time control loops) and sensitive data (e.g., cryptographic keys), ensuring deterministic execution unaffected by main SRAM bus contention.