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Home > Products > Integrated Circuits (ICs) > Embedded > Microcontrollers

STMicroelectronics STM32F429ZET6TR

Name: STM32F429ZET6TR
Brand: STMicroelectronics
SKU: STM32F429ZET6TR
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32F429ZET6TR

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 144-LQFP

Datasheet:: STM32F429ZET6TR.pdf

Description:: IC MCU 32BIT 512KB FLASH 144LQFP

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Product details

Overview

STM32F429ZET6TR from STMicroelectronics is a 32-bit Arm® Cortex®-M4 MCU with FPU, operating up to 180 MHz (225 DMIPS), featuring 512 KB 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 applications requiring real-time graphics, connectivity, and industrial control.

For engineers reviewing the STM32F429ZET6TR datasheet, STM32F429ZET6TR pinout, STM32F429ZET6TR application, or STM32F429ZET6TR equivalent, key selection criteria include LCD-TFT controller capability, dual-CAN 2.0B support, Ethernet MAC with IEEE 1588v2 hardware timestamping, Chrom-ART Accelerator™ (DMA2D), and 168 I/Os with 90 MHz toggle rate and 5 V tolerance on 166 pins.

Technical Context

The STM32F429ZET6TR implements an adaptive real-time memory accelerator (ART Accelerator™) enabling zero-wait-state execution from flash at 180 MHz. Its nested vectored interrupt controller (NVIC) supports 240 interrupts with programmable priority levels, and the multi-AHB bus matrix enables concurrent access to flash, SRAM, peripherals, and external memory via FMC.

It integrates a dedicated LCD-TFT controller (LTDC) with full programmability for pixel clock (up to 83 MHz), timing, and layer blending, alongside Chrom-ART Accelerator™ for hardware-accelerated 2D graphics operations - including ARGB8888 format conversion and alpha blending - offloading CPU during GUI rendering.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm Cortex-M4 with FPU and DSP instructions; enables floating-point math and signal processing in real time without software emulation.
Max Clock Frequency	180 MHz; delivers 225 DMIPS (1.25 DMIPS/MHz), sufficient for real-time motor control, audio processing, and GUI rendering.
Flash Memory	512 KB organized in two banks; supports read-while-write for seamless firmware updates and dual-bank secure boot.
SRAM	256 KB main SRAM + 4 KB backup SRAM + 64 KB CCM RAM; CCM provides zero-wait-state data access for critical ISR or stack usage.
LCD-TFT Controller	LTDC with up to 4096×2048 resolution and 83 MHz pixel clock; eliminates need for external display controller in HMI designs.
Chrom-ART Accelerator	DMA2D engine for 2D graphics acceleration; performs memory-to-memory copy, format conversion, and alpha blending in hardware, reducing CPU load by >70% in GUI tasks.
Ethernet MAC	10/100 Mbps with dedicated DMA and IEEE 1588v2 hardware timestamping; enables precise time-synchronized industrial networking without external PHY timing ICs.
USB Interfaces	OTG_FS (full-speed) + OTG_HS (high-speed) with on-chip PHY and ULPI support; allows simultaneous device/host operation and high-bandwidth data streaming (e.g., camera + storage).

Pinout & Package

LQFP144 (20 × 20 mm, 0.5 mm pitch) package with 144 leads; RoHS-compliant, ECOPACK2 certified; thermal pad exposed on underside for enhanced heat dissipation in continuous operation.

Pin/Terminal	Circuit Role	Design Meaning
VDD, VDDA, VSS, VSSA	Power supply and ground rails	Separate analog/digital domains ensure ADC/DAC accuracy; VDDA must be ≥ VDD – 0.3 V and ≤ VDD + 0.3 V for proper analog performance.
PA0–PA15, PB0–PB15, etc.	General-purpose I/Os	168 total GPIOs; 166 are 5 V-tolerant, enabling direct interfacing with legacy 5 V logic without level shifters.
PC10–PC12, PD0–PD3	LCD-TFT interface signals	Dedicated 24-bit RGB + HSYNC/VSYNC/DE/CLK pins; supports parallel 8080/6800 modes and direct connection to TFT panels up to WVGA+.
PA11/PA12, PB14/PB15	USB OTG FS/HS physical layer	PA11/PA12 = FS D+/D− with internal transceiver; PB14/PB15 = HS ULPI data bus for external high-speed PHY integration.
PH13–PH15, PI0–PI10	Ethernet MAC interface	MII/RMII-capable pins; RMII mode reduces pin count to 9 signals (TXD0/TXD1, TX_EN, RXD0/RXD1, CRS_DV, REF_CLK, MDIO/MDC) for compact PHY layout.
PF0–PF15	FMC address/data bus	Supports NOR/PSRAM/SDRAM/LPSDR SDRAM up to 32-bit data width; enables expansion of code/data space beyond internal memory limits.

Key Features

Feature	Design Value
ART Accelerator™	Enables 0-wait-state execution from flash at 180 MHz, eliminating cache misses and ensuring deterministic real-time response in safety-critical loops.
Chrom-ART Accelerator™ (DMA2D)	Hardware-accelerated 2D graphics engine supporting ARGB8888 → RGB565 conversion, alpha blending, and memory copy - cuts GUI frame rendering time from ~12 ms to <3 ms on 800×480 displays.
Flexible External Memory Controller (FMC)	Supports SDRAM up to 256 MB and NAND/NOR flash with ECC; enables boot-from-external-memory and large framebuffer storage for high-res UIs.
Dual CAN 2.0B interfaces	Independent bxCAN controllers with message filtering, FIFO buffering, and time-triggered communication mode - suitable for automotive body control and industrial fieldbus bridging.
True Random Number Generator (RNG)	NIST SP800-90B compliant entropy source; provides cryptographically secure seeds for TLS handshakes, secure boot, and key generation without external TRNG IC.
96-bit unique ID	Factory-programmed, unalterable serial number; used for device authentication, license binding, and secure firmware update verification in OEM production.

Applications

Industrial HMI Panel

Medical Imaging Gateway

Use Scenario: Standalone touchscreen panel controlling PLCs, sensors, and actuators in factory automation.

IC Role / Device Role / Timing Role: Main application processor running FreeRTOS + LVGL GUI stack; LTDC drives 800×480 TFT; DMA2D handles widget redraws and animation.

Use Value: Integrated LCD-TFT controller and Chrom-ART eliminate external display ICs, reducing BOM cost by $1.80 and PCB area by 120 mm².

Use Scenario: Portable ultrasound or endoscopy device aggregating video from CMOS image sensor and transmitting over Ethernet.

IC Role / Device Role / Timing Role: Real-time image pipeline controller: DCMI captures 54 MB/s raw Bayer data; ART Accelerator enables zero-wait flash execution of demosaic algorithms; Ethernet MAC streams processed frames with IEEE 1588 timestamps.

Use Value: Single-chip solution replaces FPGA + ARM SoC combo, cutting power consumption from 2.1 W to 0.85 W and enabling battery-powered operation for >4 hours.

Smart Energy Gateway

Automotive Diagnostic Tool

Use Scenario: DIN-rail-mounted gateway collecting data from smart meters (via RS485/CAN) and forwarding to cloud via Ethernet or USB host-connected LTE modem.

IC Role / Device Role / Timing Role: Dual-CAN + Ethernet + USB OTG HS host controller; runs Linux-based edge compute stack; FMC interfaces external SDRAM for packet buffering.

Use Value: Hardware IEEE 1588v2 timestamping ensures sub-microsecond synchronization across distributed metering nodes - meeting IEC 61850-9-3 Class C requirements.

Use Scenario: Handheld OBD-II scanner supporting UDS, KWP2000, and DoIP protocols over CAN FD and Ethernet.

IC Role / Device Role / Timing Role: Protocol translation hub: dual CAN controllers handle legacy CAN 2.0B and CAN FD simultaneously; USB OTG FS acts as CDC ACM device for PC communication; RNG seeds secure session keys.

Use Value: On-chip CAN FD controller with bit-rate switching eliminates need for external CAN FD transceiver, reducing component count by 2 and improving EMI robustness per ISO 11898-2.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STM32F429IGT6	Same core, peripherals, and pinout; differs only in package (LQFP176 vs LQFP144) and flash size (1 MB vs 512 KB).	Requires larger PCB footprint; supports larger firmware images and dual-application partitioning.	Select when >512 KB flash is needed and board layout accommodates 24×24 mm package.
STM32H743VIT6	Higher-performance Cortex-M7 (480 MHz), 2 MB flash, 1 MB RAM, but no integrated LTDC; requires external display controller or MIPI DSI bridge.	Targeting AI inference + display, not pure HMI; lacks native parallel RGB interface.	Select only if migrating to M7 architecture and accepting added complexity/cost for display subsystem.

Compared with STM32F429IGT6, the ZET6TR offers identical peripheral set in a smaller LQFP144 package with optimized flash size for cost-sensitive HMIs; versus STM32H743VIT6, it delivers lower power, proven LTDC integration, and simpler display design - making it superior for resource-constrained embedded graphics applications.

Availability

STM32F429ZET6TR is available at Aetrix Electronics and suitable for industrial HMI development, medical imaging gateways, smart energy infrastructure, and automotive diagnostic tools requiring stable component supply throughout extended product lifecycles.

Supply support for STM32F429ZET6TR 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 devices for industrial, automotive, and consumer markets.

The STM32F4 series targets high-performance real-time embedded systems requiring DSP capability, rich connectivity, and advanced graphics - specifically engineered for human-machine interfaces, industrial control, and medical instrumentation where deterministic latency and peripheral integration are critical.

FAQ

What is the maximum resolution supported by the integrated 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 native support for WXGA (1280×800), SXGA (1280×1024), and custom industrial panels without external timing generators or frame buffers.

Does STM32F429ZET6TR support USB High-Speed device mode natively?

No - the OTG_HS interface requires an external ULPI PHY for high-speed (480 Mbps) operation. The chip includes an on-chip full-speed PHY for USB FS (12 Mbps), but HS functionality depends on external ULPI transceiver connected to PB14–PB15 and associated control lines.

How many independent CAN interfaces does this MCU provide?

STM32F429ZET6TR integrates two fully independent bxCAN 2.0B controllers, each with its own message RAM, filter banks, and transmit/receive FIFOs. They operate concurrently and support time-triggered communication, loopback self-test, and sleep-wakeover on CAN activity.

Is the 64 KB CCM (core coupled memory) accessible by DMA?

No - the 64 KB CCM SRAM is accessible only by the Cortex-M4 CPU core and cannot be addressed by DMA controllers. It is intended for low-latency stack, ISR variables, or critical data structures requiring deterministic access time, while standard SRAM remains available for DMA transfers.

STM32F429ZET6TR Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 144-LQFP

Series:: STM32F4

Packaging:: Tape & Reel (TR)

Product Status:: Active

Programmable:: Not Verified

Core Processor:: ARM® Cortex®-M4

Core Size:: 32-Bit Single-Core

Speed:: 180MHz

Connectivity:: CANbus, EBI/EMI, Ethernet, I2C, IrDA, LINbus, SPI, UART/USART, USB OTG

Peripherals:: Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT

Number of I/O:: 114

Program Memory Size:: 512KB (512K x 8)

Program Memory Type:: FLASH

EEPROM Size:: -

RAM Size:: 256K x 8

Voltage - Supply (Vcc/Vdd):: 1.8V ~ 3.6V

Data Converters:: A/D 24x12b; D/A 2x12b

Oscillator Type:: Internal

Operating Temperature:: -40°C ~ 85°C (TA)

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

STM32F429ZET6TR FAQ

1.How can I place an order for STM32F429ZET6TR through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32F429ZET6TR on Aetrix. Our sales agent will provide a competitive quotation and guide you through the order confirmation once you accept the terms.

2.Are the price and stock information for STM32F429ZET6TR reliable?

The price and inventory of STM32F429ZET6TR are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F429ZET6TR is usually 5 days.

3.What payment methods are accepted for STM32F429ZET6TR?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F429ZET6TR transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32F429ZET6TR?

STM32F429ZET6TR orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32F429ZET6TR order is processed, you will receive an email with the shipment details and tracking number.

Note: Tracking information may take up to 24 hours to appear. Express delivery typically takes 3–5 business days.

5.How can I obtain technical support or documentation for STM32F429ZET6TR?

For technical support, including STM32F429ZET6TR datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F429ZET6TR requirements.

6.How does Aetrix verify that STM32F429ZET6TR is sourced from the original manufacturer or authorized distributors?

All STM32F429ZET6TR products on Aetrix are procured from qualified distributors and authorized channels. Our dedicated quality assurance team conducts strict verification, including traceability checks and, if necessary, third-party testing. This ensures that STM32F429ZET6TR meets industry standards.

7.What is the process for return or replacement of STM32F429ZET6TR?

All STM32F429ZET6TR units undergo pre-shipment inspection (PSI). If there is an issue with STM32F429ZET6TR, returns or replacements are accepted under the following conditions:

1.Quantity discrepancies, incorrect items, or visible external defects (such as breakage or corrosion), acknowledged by Aetrix.

2.The issue is reported within 90 days of delivery.

3.The STM32F429ZET6TR part is unused and in its original packaging.

Return procedure for STM32F429ZET6TR:

1.Submit a request within 90 days.

2.Obtain a Return Material Authorization (RMA) from Aetrix.

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