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STMicroelectronics STM32F429IGT6

Name: STM32F429IGT6
Brand: STMicroelectronics
SKU: STM32F429IGT6
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32F429IGT6

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 176-LQFP

Datasheet:: STM32F429IGT6.pdf

Description:: IC MCU 32BIT 1MB FLASH 176LQFP

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Product details

Overview

STM32F429IGT6 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 MCU with FPU, operating up to 180 MHz (225 DMIPS), featuring 1 MB flash, 256 KB SRAM + 4 KB backup SRAM, integrated LCD-TFT controller supporting up to 4096×2048 resolution, and dual USB OTG (FS/HS) with dedicated DMA. It targets high-resolution embedded HMI systems requiring real-time graphics, connectivity, and deterministic control - such as industrial panel PCs and medical display terminals.

For engineers reviewing the STM32F429IGT6 datasheet, STM32F429IGT6 pinout, STM32F429IGT6 application, or STM32F429IGT6 equivalent, key selection considerations include its 17-timer suite (including advanced-control TIM1/TIM8), triple 12-bit ADCs (7.2 MSPS interleaved), Chrom-ART Accelerator™ for hardware-accelerated 2D graphics, and IEEE 1588v2-capable 10/100 Ethernet MAC.

Technical Context

The STM32F429IGT6 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 dual-bank flash architecture supports true read-while-write operation, critical for firmware over-the-air (FOTA) updates without halting execution.

The device integrates a dedicated LCD-TFT controller (LTDC) with programmable timing, pixel clock up to 83 MHz, and seamless interface to the Chrom-ART Accelerator™ (DMA2D) for efficient layer composition and alpha blending - eliminating CPU load during GUI rendering. The dual CAN 2.0B controllers and SAI audio interface support synchronized multi-sensor and audio-visual system integration.

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 external coprocessor.
Max Clock Frequency	180 MHz; delivers 225 DMIPS performance with ART Accelerator enabled, suitable for deterministic control loops and UI rendering.
Memory	1 MB dual-bank Flash (read-while-write), 256 KB SRAM + 4 KB backup SRAM; supports concurrent code execution and data logging during firmware update.
LCD Interface	Parallel RGB/TFT controller (LTDC) with up to 4096×2048 resolution and 83 MHz pixel clock; drives high-definition displays without external timing IC.
Graphics Acceleration	Chrom-ART Accelerator™ (DMA2D); performs 2D composition, alpha blending, and color format conversion autonomously, reducing CPU load by >70% in GUI tasks.
Connectivity	Dual USB OTG (FS/HS), 10/100 Ethernet MAC with IEEE 1588v2 hardware timestamping, 2×CAN 2.0B, SDIO, and SAI; enables multi-protocol industrial gateway functionality.
Analog Peripherals	3×12-bit ADCs (2.4 MSPS each, 7.2 MSPS interleaved), 2×12-bit DACs, temperature sensor, and true RNG; supports precision sensor fusion and secure key generation.

Pinout & Package

LQFP176 (24 × 24 mm) package with 168 I/O pins - 164 rated up to 90 MHz, 166 5 V-tolerant - optimized for high-density PCB layouts with mixed-signal routing and EMI resilience.

Pin/Terminal	Circuit Role	Design Meaning
VDD, VSS	Core power supply and ground	1.7–3.6 V operation; requires separate VCAP1/VCAP2 2.2 µF ceramic decoupling for internal regulator stability.
PA0–PA15, PB0–PB15, etc.	General-purpose I/O with alternate functions	168 total GPIOs; most support interrupt, timer capture/compare, and multiple AF modes (e.g., SPI/I2C/USART remapping).
PH8–PH15	LCD data bus (D0–D15)	16-bit parallel RGB interface; directly drives TFT panels with configurable polarity, HSYNC/VSYNC/DE timing signals.
PI0–PI10	LCD control signals	Provides HSYNC, VSYNC, DE, CLK, and backlight control; enables full synchronous display timing without external logic.
PA11/PA12	USB OTG FS D+/D−	Integrated full-speed PHY; eliminates need for external transceiver in USB device/host applications.
OTG_HS_ULPI_Dx / OTG_HS_CLK	USB OTG HS ULPI interface	Supports high-speed (480 Mbps) via external ULPI PHY; enables simultaneous FS/HS operation with dedicated DMA channels.

Key Features

Feature	Design Value
ART Accelerator™	Enables zero-wait-state 180 MHz execution from flash, removing performance penalty of internal flash latency in real-time control.
Chrom-ART Accelerator™ (DMA2D)	Hardware-accelerated 2D graphics engine that offloads GUI layer composition, rotation, and alpha blending from CPU, cutting rendering time by 3–5×.
LCD-TFT Controller (LTDC)	Configurable RGB interface supporting up to 4096×2048@60 Hz; includes programmable sync pulses, dithering, and CLUT-based color correction.
Dual USB OTG with dedicated DMA	Simultaneous full-speed and high-speed USB operation using independent DMA channels - critical for host-device bridging in embedded gateways.
IEEE 1588v2 Ethernet MAC	Hardware timestamping with sub-100 ns precision enables deterministic network synchronization for industrial automation and time-sensitive networking (TSN) edge nodes.

Applications

Industrial HMI Panel

Medical Imaging Display

Use Scenario: Touch-enabled operator interface for PLC-controlled machinery with real-time status visualization and alarm logging.

IC Role / Device Role / Timing Role: Primary application processor managing GUI rendering via LTDC+DMA2D, executing control logic on Cortex-M4, and communicating via CAN/Ethernet.

Use Value: Eliminates external graphics controller and FPGA; reduces BOM cost by $3.20 and board area by 28% while maintaining <16 ms frame latency.

Use Scenario: Portable ultrasound or endoscopy display unit requiring low-latency video overlay, DICOM metadata handling, and battery-aware power management.

IC Role / Device Role / Timing Role: Central display controller interfacing with camera sensor (DCMI), driving high-res TFT, and encrypting patient data via RNG+AES acceleration.

Use Value: Single-chip solution replaces dual-processor architecture; achieves 54 MB/s DCMI throughput and <50 µs RTC-triggered wake-up from Stop mode.

Smart Building Gateway

Test & Measurement Front-End

Use Scenario: Field-deployable gateway aggregating Modbus, BACnet, and KNX traffic over Ethernet and forwarding to cloud via TLS-secured USB/SDIO.

IC Role / Device Role / Timing Role: Protocol translation engine with dual CAN, Ethernet MAC, and crypto co-processor (RNG + CRC + AES), running FreeRTOS with TCP/IP stack.

Use Value: IEEE 1588v2 hardware timestamping ensures synchronized sensor sampling across distributed HVAC nodes within ±50 ns accuracy.

Use Scenario: Portable oscilloscope front-end digitizing analog signals at 2.4 MSPS per channel with real-time FFT and waveform overlay.

IC Role / Device Role / Timing Role: High-speed data acquisition controller using triple interleaved ADCs, DMA-driven circular buffers, and LTDC-driven waveform display.

Use Value: 7.2 MSPS aggregate sampling rate with hardware-calibrated offset/gain correction enables ±0.5 LSB INL without external calibration circuitry.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STM32F767IGT6	Higher clock (216 MHz), 2 MB flash, L1 cache, no LTDC; adds FMC for external SDRAM but lacks Chrom-ART Accelerator™	Better for compute-intensive algorithms (e.g., motor control FOC), less optimal for TFT-driven HMIs due to missing integrated display controller	Select when raw CPU throughput and external memory expansion outweigh integrated graphics needs
STM32H743VIT6	Dual-core (Cortex-M7 + M4), 1 MB flash, 1 MB SRAM, DSI host, no LTDC; includes GPU-like GPU2D but requires external display bridge	Suited for ultra-high-res displays (e.g., 1080p) with DSI interface; higher power and cost; lacks native parallel RGB support	Choose only if migrating to MIPI DSI ecosystem and requiring asymmetric multiprocessing

Compared with STM32F429IGT6, the STM32F767IGT6 trades integrated display capability for higher CPU performance and memory bandwidth, while the STM32H743VIT6 shifts architecture toward DSI-based displays and dual-core partitioning - neither matches the F429's balance of parallel TFT control, graphics acceleration, and industrial peripheral density in a single LQFP176 package.

Availability

STM32F429IGT6 is available at Aetrix Electronics and suitable for industrial HMI development, medical display systems, and smart building gateways requiring stable component supply, long-term manufacturability, and ECOPACK2-compliant packaging.

Supply support for STM32F429IGT6 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 automotive-grade components since 1987.

The STM32F4-series targets high-performance embedded applications demanding real-time responsiveness, rich connectivity, and integrated peripherals - specifically engineered for human-machine interfaces, industrial automation, and medical devices where graphics, timing, and reliability converge.

FAQ

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

The STM32F429IGT6's 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 WQXGA (2560×1600) and custom high-DPI panels without external timing controllers or frame buffers.

Does STM32F429IGT6 support hardware-accelerated graphics operations?

Yes - it integrates the Chrom-ART Accelerator™ (DMA2D), a dedicated 2D graphics engine that performs layer composition, alpha blending, color format conversion (e.g., ARGB8888 to RGB565), and image rotation without CPU intervention, reducing GUI rendering overhead by up to 75%.

Can STM32F429IGT6 operate in low-power modes while maintaining RTC and backup RAM functionality?

Yes - in Standby mode, the device consumes as low as 2.3 µA while retaining RTC operation, 20×32-bit backup registers, and optional 4 KB backup SRAM powered by VBAT. Wake-up latency from Standby is under 30 µs with RTC alarm or external interrupt.

What USB configurations does STM32F429IGT6 support, and are external PHYs required?

It supports USB 2.0 full-speed device/host/OTG via integrated on-chip PHY (no external PHY needed for FS), and USB 2.0 high-speed device/host/OTG via ULPI interface requiring an external ULPI PHY. Both interfaces use dedicated DMA channels to avoid CPU bottlenecks during bulk transfers.

STM32F429IGT6 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 176-LQFP

Series:: STM32F4

Packaging:: Tray

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:: 140

Program Memory Size:: 1MB (1M 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:

STM32F429IGT6 FAQ

1.How can I place an order for STM32F429IGT6 through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32F429IGT6 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 STM32F429IGT6 reliable?

The price and inventory of STM32F429IGT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F429IGT6 is usually 5 days.

3.What payment methods are accepted for STM32F429IGT6?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F429IGT6 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32F429IGT6?

STM32F429IGT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32F429IGT6 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 STM32F429IGT6?

For technical support, including STM32F429IGT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F429IGT6 requirements.

6.How does Aetrix verify that STM32F429IGT6 is sourced from the original manufacturer or authorized distributors?

All STM32F429IGT6 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 STM32F429IGT6 meets industry standards.

7.What is the process for return or replacement of STM32F429IGT6?

All STM32F429IGT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F429IGT6, 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 STM32F429IGT6 part is unused and in its original packaging.

Return procedure for STM32F429IGT6:

1.Submit a request within 90 days.

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

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