STMicroelectronics STM32F429ZIT6TR

Overview

STM32F429ZIT6TR from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, operating 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, industrial control panels, and connected medical displays.

For engineers reviewing the STM32F429ZIT6TR datasheet, STM32F429ZIT6TR pinout, STM32F429ZIT6TR application, or STM32F429ZIT6TR equivalent, key selection criteria include LCD-TFT controller capability, Chrom-ART Accelerator™ (DMA2D) for GUI offload, Ethernet MAC with IEEE 1588v2 hardware support, dual CAN 2.0B, and 168 I/Os with 90 MHz toggle rate and 5 V tolerance on 166 pins.

Technical Context

This MCU integrates an Adaptive Real-time Accelerator (ART Accelerator™) enabling zero-wait-state execution from flash memory, and a dedicated Chrom-ART Accelerator™ (DMA2D) for hardware-accelerated 2D graphics composition. Its memory subsystem includes dual-bank flash (enabling read-while-write) and flexible external memory controller supporting SDRAM, NOR, NAND, and PSRAM.

The device implements a multi-AHB bus matrix for concurrent peripheral access, supports IEEE 1588v2 precision time stamping in its 10/100 Ethernet MAC, and features a parallel camera interface (DCMI) capable of 54 Mbytes/s throughput - all synchronized via a highly configurable clock tree with multiple PLLs (main, audio PLLI2S, and LCD PLLSAI).

Key Specifications

Pinout & Package

LQFP144 (20 × 20 mm, 0.5 mm pitch) package with 144 leads; RoHS-compliant, ECOPACK2 certified.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F427ZIT6, the STM32F429ZIT6TR adds display-specific hardware (LTDC + DMA2D) essential for embedded GUIs; versus STM32F767ZIT6, it trades raw compute for optimized visual subsystems and camera capture - making it superior for HMI-centric designs where display latency and bandwidth dominate.

Availability

STM32F429ZIT6TR is available at Aetrix Electronics and suitable for industrial HMI, medical imaging displays, smart building gateways, and test & measurement instruments requiring stable component supply and long-term manufacturability.

Supply support for STM32F429ZIT6TR 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 ICs, sensors, and analog components for industrial, automotive, and consumer markets.

The STM32F4-series targets high-performance embedded applications demanding real-time responsiveness, rich connectivity, and advanced human-machine interfaces - with the F429 variant specifically architected for integrated display and multimedia processing.

FAQ

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

The LTDC supports total display resolutions up to 4096 pixels wide and 2048 lines tall, with pixel clock frequencies up to 83 MHz. This enables QXGA (2048×1536), WQXGA (2560×1600), or dual-HD (1920×1080 ×2) configurations depending on timing constraints and external memory bandwidth.

Does STM32F429ZIT6TR support hardware-accelerated graphics rendering?

Yes - the Chrom-ART Accelerator™ (DMA2D) provides dedicated hardware for 2D graphics operations including memory-to-memory copy, ARGB color format conversion, and alpha-blending of up to three layers. It operates independently of the CPU and reduces GUI rendering latency by up to 70% compared to software-only implementations.

Can this MCU interface directly with a high-speed camera sensor?

Yes - the Digital Camera Interface (DCMI) supports 8- to 14-bit parallel input at up to 54 Mbytes/s, compatible with common CMOS image sensors (e.g., OV5640, MT9V034). It includes hardware synchronization (VSYNC/HSYNC/PCLK), embedded data enable, and DMA-driven frame capture without CPU intervention.

Is the USB High-Speed (HS) interface self-contained on-chip?

No - the USB HS controller requires an external ULPI PHY (e.g., USB334x or TUSB1210). The MCU provides the ULPI interface (8-bit data + CLK, DIR, NXT, STP) and dedicated DMA, but does not integrate the HS analog transceiver. USB FS uses the on-chip PHY and requires no external components.