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

STMicroelectronics STM32F469IIT6G

Name: STM32F469IIT6G
Brand: STMicroelectronics
SKU: STM32F469IIT6G
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32F469IIT6G

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 176-LQFP

Datasheet:: STM32F469IIT6G.pdf

Description:: IC MCU 32BIT 2MB FLASH 176LQFP

Quantity:: RFQ Add To RFQ list

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Product details

Overview

STM32F469IIT6G from STMicroelectronics is a high-performance Arm® Cortex®-M4 microcontroller with FPU and ART Accelerator™, operating at up to 180 MHz (225 DMIPS), featuring 2 MB flash, 384+4 KB SRAM, integrated Chrom-ART graphical accelerator, MIPI DSI host controller, and dual Quad-SPI interfaces. It serves as the central application processor in embedded HMI systems requiring real-time graphics rendering, camera input, and industrial connectivity.

For engineers reviewing the STM32F469IIT6G datasheet, STM32F469IIT6G pinout, STM32F469IIT6G application, or STM32F469IIT6G equivalent, key selection criteria include its 180 MHz Cortex-M4+FPU core, MIPI DSI support for high-resolution displays, dual-bank flash enabling read-while-write, 161 I/Os with 5 V tolerance, and integrated Ethernet MAC with IEEE 1588v2 hardware timestamping.

Technical Context

The device implements an adaptive real-time memory accelerator (ART Accelerator™) that enables zero-wait-state execution from flash at 180 MHz, eliminating instruction fetch stalls. Its dual-bank flash architecture supports true concurrent read/write operations, critical for firmware updates without system interruption.

The Chrom-ART Accelerator™ (DMA2D) offloads 2D graphics composition tasks-including alpha blending, color format conversion, and memory-to-memory transfers-from the CPU, reducing CPU load by up to 70% in GUI-intensive applications. The MIPI DSI host controller operates at up to 720p@30 Hz with integrated D-PHY compliant timing and SSCG support.

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm Cortex-M4 with FPU and DSP instructions, 180 MHz max frequency → delivers 225 DMIPS for real-time signal processing and control loops.
Flash Memory	2 MB dual-bank flash with read-while-write capability → enables seamless in-field firmware updates without halting application execution.
SRAM	384 KB main SRAM + 4 KB backup SRAM + 64 KB CCM RAM → CCM provides zero-wait-state data access for time-critical ISR variables.
Graphics Acceleration	Chrom-ART Accelerator™ (DMA2D) → handles pixel format conversion, alpha blending, and layer composition independently of CPU, accelerating GUI frame rates.
Display Interface	MIPI DSI host controller supporting up to 720p@30 Hz → drives modern low-power display panels with minimal PCB routing complexity.
Camera Interface	8–14-bit parallel DCMI supporting up to 54 MB/s → captures VGA@60 fps or 720p@30 fps video directly into DMA-accessible memory.
Connectivity	Dual CAN 2.0B, USB OTG HS/FS with dedicated DMA, 10/100 Ethernet MAC with IEEE 1588v2 hardware timestamping → meets industrial automation and edge gateway timing requirements.

Pinout & Package

LQFP176 (24 × 24 mm, 0.5 mm pitch) package with 161 user I/Os, including 159 5 V-tolerant pins and 157 fast I/Os rated up to 90 MHz. Power supply includes VDD/VSS (1.7–3.6 V), VCAP1/VCAP2 (external 2.2 µF decoupling), and dedicated USB and Ethernet power rails.

Pin/Terminal	Circuit Role	Design Meaning
VDD, VSS	Main digital supply and ground	Supports 1.7–3.6 V operation; requires local 100 nF + 2.2 µF decoupling per VDD pair.
VCAP1, VCAP2	Internal voltage regulator bypass	Mandatory 2.2 µF ceramic capacitors; omission causes unstable core voltage and boot failure.
PA0–PA15, PB0–PB15, etc.	General-purpose I/Os	159 pins are 5 V-tolerant; all support multiple alternate functions including DCMI, DSI, FMC, and Quad-SPI.
PH13–PH15, PI0–PI12	MIPI DSI lane signals	HS/CLK/DP/DM lanes mapped to specific pins; require controlled impedance (100 Ω differential) routing.
PD0–PD15, PE0–PE15	FMC address/data bus	Supports SDRAM, NOR/NAND, PSRAM up to 32-bit data width; timing configurable via FMC registers.

Key Features

Feature	Design Value
ART Accelerator™	Enables 0-wait-state execution from flash at full 180 MHz, eliminating cache misses and improving deterministic interrupt latency.
Chrom-ART Accelerator™	Performs hardware-accelerated 2D graphics operations (alpha blending, color space conversion) without CPU involvement, reducing GUI rendering time by >60%.
Dual Quad-SPI interface	Supports two independent external serial flash devices with XIP capability and wrap-around addressing, enabling modular firmware storage.
DCMI interface	8–14-bit parallel camera input with hardware synchronization (VSYNC/HSYNC/PCLK), direct DMA to SRAM or FMC memory, no CPU polling required.
IEEE 1588v2 Ethernet MAC	Hardware timestamping of PTP packets at sub-100 ns resolution, enabling precise time-synchronized industrial control networks.

Applications

Industrial HMI Panel

Medical Imaging Terminal

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

IC Role / Device Role / Timing Role: Primary application MCU executing FreeRTOS, driving 720p MIPI DSI display, capturing button/touch events, and managing Ethernet-based control commands.

Use Value: Chrom-ART Accelerator™ renders smooth vector-based UI animations at 60 fps while CPU handles communication stacks; dual-bank flash allows silent OTA updates during idle cycles.

Use Scenario: Portable ultrasound or endoscopy display unit integrating live video feed, DICOM metadata overlay, and battery-backed configuration storage.

IC Role / Device Role / Timing Role: Central video processor receiving raw sensor data via DCMI, applying real-time contrast enhancement, and outputting to MIPI DSI panel with precise frame sync.

Use Value: 54 MB/s DCMI bandwidth captures full-resolution grayscale video; 4 KB backup SRAM retains calibration settings across power cycles without external EEPROM.

Smart Building Gateway

Automotive Diagnostic Tool

Use Scenario: Edge gateway aggregating BACnet/IP, Modbus TCP, and KNX-over-IP traffic with local web-based configuration and TLS-secured cloud upload.

IC Role / Device Role / Timing Role: Networked application processor running lwIP stack, managing dual CAN buses for legacy HVAC controllers, and serving HTML UI over Ethernet.

Use Value: Integrated 10/100 Ethernet MAC with IEEE 1588v2 enables synchronized scheduling of HVAC actuator commands; dual CAN interfaces isolate building subsystems electrically and logically.

Use Scenario: Handheld OBD-II and UDS diagnostic tool supporting DoIP, CAN FD, and J1939 protocols with high-resolution touchscreen UI and Bluetooth LE reporting.

IC Role / Device Role / Timing Role: Host controller interfacing with automotive networks via dual CAN peripherals, rendering diagnostic menus on LCD-TFT, and managing secure firmware updates.

Use Value: 180 MHz Cortex-M4+FPU executes complex diagnostic algorithms (e.g., ECU flash checksum validation) in <50 ms; 5 V-tolerant I/Os tolerate automotive load-dump transients without level-shifting.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STM32F769NIH6	Higher clock (216 MHz), larger L1 cache (32 KB I/D), same MIPI DSI/DCMI/FMC but no ART Accelerator™ (uses L1 cache instead)	Better for cache-sensitive floating-point workloads; less deterministic flash execution latency than ART-based F469	Select when algorithmic throughput outweighs real-time determinism; requires different PCB layout for UFBGA216 package
RA6M5GFP	Arm Cortex-M33 @ 200 MHz, TrustZone, no MIPI DSI or Chrom-ART; includes 2D GPU (RZ/A2M-class) but lower display bandwidth	Suitable for secure IoT gateways but lacks native MIPI DSI PHY and hardware DSI protocol engine	Select when security certification (PSA Level 3) is mandatory and display resolution ≤ WVGA; requires external bridge IC for MIPI panels

Compared with STM32F469IIT6G, the STM32F769NIH6 offers higher peak compute but sacrifices ART-based flash determinism, while the RA6M5GFP provides hardware security extensions at the cost of native MIPI DSI integration-making the F469IIT6G optimal for cost-sensitive, display-rich industrial HMIs requiring guaranteed real-time flash performance.

Availability

STM32F469IIT6G is available at Aetrix Electronics and suitable for industrial HMI panels, medical imaging terminals, smart building gateways, and automotive diagnostic tools requiring stable component supply across multi-year production cycles.

Supply support for STM32F469IIT6G 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 with vertical manufacturing and broad IP portfolio.

The STM32F469 product line targets high-end human-machine interface applications, integrating advanced graphics acceleration, high-speed connectivity, and industrial-grade reliability into a single-chip solution for embedded visual computing.

FAQ

What is the maximum operating frequency and how is it achieved?

The STM32F469IIT6G achieves 180 MHz maximum CPU frequency using its internal PLL with input from either the 4–26 MHz HSE crystal or 16 MHz HSI RC oscillator. The ART Accelerator™ eliminates flash wait states at this speed, and the voltage regulator must be enabled with proper VCAP1/VCAP2 decoupling to sustain full-speed operation under load.

Does this MCU support MIPI DSI without external PHY components?

Yes, the STM32F469IIT6G integrates a fully compliant MIPI DSI host controller with built-in D-PHY physical layer, supporting one high-speed data lane plus clock lane. It requires only passive termination resistors and controlled-impedance PCB routing-no external D-PHY IC is needed for standard 720p@30 Hz operation.

How does the dual-bank flash architecture improve firmware update safety?

Dual-bank flash allows one bank to execute code while the other is erased and reprogrammed, enabling atomic firmware updates with zero downtime. The bootloader can validate new firmware in Bank 2 before remapping the vector table and switching execution-eliminating risk of bricking during field upgrades.

What is the role of the Chrom-ART Accelerator™ in GUI development?

The Chrom-ART Accelerator™ (DMA2D) performs hardware-accelerated 2D graphics operations-including memory-to-memory copy, pixel format conversion (RGB565 ↔ ARGB8888), and alpha-blended layer composition-without CPU intervention. This reduces GUI rendering CPU load by up to 70%, freeing cycles for application logic and communication stacks.

STM32F469IIT6G 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, SAI, SDIO, SPI, UART/USART, USB, USB OTG

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

Number of I/O:: 131

Program Memory Size:: 2MB (2M x 8)

Program Memory Type:: FLASH

EEPROM Size:: -

RAM Size:: 384K x 8

Voltage - Supply (Vcc/Vdd):: 1.7V ~ 3.6V

Data Converters:: A/D 16x12b; D/A 2x12b

Oscillator Type:: Internal

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

Grade:: -

Qualification:: -

Mounting Type:: Surface Mount

Supplier Device Package:

STM32F469IIT6G FAQ

1.How can I place an order for STM32F469IIT6G through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32F469IIT6G 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 STM32F469IIT6G reliable?

The price and inventory of STM32F469IIT6G are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F469IIT6G is usually 5 days.

3.What payment methods are accepted for STM32F469IIT6G?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F469IIT6G transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32F469IIT6G?

STM32F469IIT6G orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32F469IIT6G 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 STM32F469IIT6G?

For technical support, including STM32F469IIT6G datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F469IIT6G requirements.

6.How does Aetrix verify that STM32F469IIT6G is sourced from the original manufacturer or authorized distributors?

All STM32F469IIT6G 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 STM32F469IIT6G meets industry standards.

7.What is the process for return or replacement of STM32F469IIT6G?

All STM32F469IIT6G units undergo pre-shipment inspection (PSI). If there is an issue with STM32F469IIT6G, 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 STM32F469IIT6G part is unused and in its original packaging.

Return procedure for STM32F469IIT6G:

1.Submit a request within 90 days.

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

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