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

STMicroelectronics STM32F439ZGT6

Name: STM32F439ZGT6
Brand: STMicroelectronics
SKU: STM32F439ZGT6
Price: 2.40 USD
Availability: InStock
Rating: 5 (2 reviews)

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Part No.:: STM32F439ZGT6

Manufacturer:: STMicroelectronics

Category:: Microcontrollers

Package:: 144-LQFP

Datasheet:: STM32F439ZGT6.pdf

Description:: IC MCU 32BIT 1MB FLASH 144LQFP

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Product details

Overview

STM32F439ZGT6 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 MCU with FPU, operating up to 180 MHz (225 DMIPS), featuring 1 MB flash, 256+4 KB SRAM (including 64 KB CCM), hardware crypto acceleration (AES-128/192/256, SHA-1/2, HMAC), and integrated LCD-TFT controller supporting up to 4096×2048 resolution at 83 MHz pixel clock - deployed in industrial HMI panels with real-time graphics rendering.

For engineers reviewing the STM32F439ZGT6 datasheet, STM32F439ZGT6 pinout, STM32F439ZGT6 application, or STM32F439ZGT6 equivalent, key selection criteria include LCD-TFT controller capability, dual CAN 2.0B support, USB OTG HS/FS with dedicated DMA, Ethernet MAC with IEEE 1588v2 hardware timestamping, and Chrom-ART Accelerator™ for DMA2D-based GUI composition.

Technical Context

The STM32F439ZGT6 implements an Arm Cortex-M4 core with FPU and MPU, coupled with ST's ART Accelerator™ enabling zero-wait-state execution from flash at 180 MHz. Its memory subsystem includes dual-bank flash (1 MB), 256 KB main SRAM + 4 KB backup SRAM + 64 KB CCM RAM, and a flexible external memory controller supporting SDRAM, NOR, and NAND.

It integrates application-specific peripherals including a full-featured LCD-TFT controller (LTDC) with RGB/YUV output, Chrom-ART Accelerator™ (DMA2D) for 2D graphics composition, 8–14-bit parallel DCMI interface (54 MB/s), dual USB OTG (HS/FS), 10/100 Ethernet MAC with MII/RMII, and cryptographic accelerators for AES, HASH, and RNG - all synchronized via multiple PLLs (main, audio, SAI).

Key Specifications

Parameter	Value and Actual Design Meaning
CPU Core	Arm Cortex-M4 with FPU and MPU, 180 MHz max frequency (225 DMIPS @ Dhrystone 2.1)
Flash Memory	1 MB dual-bank flash with read-while-write capability - enables safe firmware updates without halting execution
SRAM	256 KB main SRAM + 4 KB backup SRAM + 64 KB CCM (core-coupled memory) - CCM provides zero-wait-state access for time-critical code/data
LCD-TFT Controller	LTDC supporting up to 4096×2048 resolution at 83 MHz pixel clock - drives high-resolution industrial displays without external video processor
Crypto Engine	Hardware AES-128/192/256, triple DES, SHA-1/SHA-2, HMAC, and true RNG - offloads secure boot, OTA update signing, and TLS stack processing
Connectivity	Dual CAN 2.0B, USB OTG HS/FS (with ULPI & on-chip PHY), 10/100 Ethernet MAC with IEEE 1588v2 hardware timestamping - supports deterministic industrial networking
ADC/DAC	Three 12-bit ADCs (2.4 MSPS each, 7.2 MSPS in triple interleaved mode), two 12-bit DACs - enables high-speed analog acquisition and waveform generation

Pinout & Package

LQFP144 (20 × 20 mm) package with 144 pins, 166 I/Os (5 V-tolerant), and 164 fast I/Os rated up to 90 MHz - optimized for high-density industrial PCB layouts requiring mixed-signal routing and ESD robustness.

Pin/Terminal	Circuit Role	Design Meaning
VDD/VSS	Core power supply / ground	1.7–3.6 V operation; separate analog/digital domains with dedicated VCAP decoupling caps required
PA0–PA15, PB0–PB15, etc.	General-purpose I/O	166 total 5 V-tolerant GPIOs; most support multiple alternate functions (SPI/I2C/USART/CAN/USB/ETH)
PH13–PH15, PI0–PI12	LCD-TFT data/control bus	24-bit RGB interface + HSYNC/VSYNC/DE/CLK - directly drives TFT panels up to WXGA+ resolution
PD0–PD15, PE0–PE12	FMC address/data bus	Supports SDRAM, PSRAM, NOR/NAND flash - enables external frame buffer or application code storage
PC6–PC9, PD3–PD6	DCMI parallel camera interface	8–14-bit data bus + PCLK/HREF/VSYNC - captures HD video at up to 54 MB/s for machine vision preprocessing
PA11/PA12, PB14/PB15	USB OTG FS/HS physical layer	On-chip FS PHY + ULPI interface for HS - eliminates need for external transceivers in dual-speed USB designs

Key Features

Feature	Design Value
Chrom-ART Accelerator™ (DMA2D)	Hardware-accelerated 2D graphics composition (ARGB8888/RGB565 blending, image rotation, format conversion) - reduces CPU load by >70% in GUI rendering
Adaptive Real-Time Accelerator (ART)	Zero-wait-state flash execution at 180 MHz - eliminates cache misses in deterministic real-time control loops
Flexible Memory Controller (FMC)	32-bit bus supporting SDRAM (up to 256 MB), PSRAM, NOR/NAND - enables large framebuffer or Linux-capable external RAM
IEEE 1588v2 Hardware Timestamping	Sub-microsecond precision timestamping in Ethernet MAC - enables precise synchronization in industrial PLC and motion control networks
True Random Number Generator (RNG)	NIST SP800-90B compliant entropy source - satisfies cryptographic key generation requirements for IEC 62443-3-3 Level 3

Applications

Industrial HMI Panel

Medical Imaging Terminal

Use Scenario: High-resolution touch-enabled operator interface for CNC machines and PLCs with animated GUI and real-time alarm overlays.

IC Role / Device Role / Timing Role: Primary application processor executing FreeRTOS-based GUI framework, driving 1024×600 RGB TFT via LTDC, and managing CANopen fieldbus communication.

Use Value: Chrom-ART Accelerator™ renders anti-aliased vector graphics at 60 fps while CPU handles motion control logic - no external GPU required.

Use Scenario: Portable ultrasound console capturing and preprocessing B-mode video streams from linear array probes.

IC Role / Device Role / Timing Role: Real-time image acquisition engine using DCMI (54 MB/s), on-chip FFT and filtering via DSP instructions, and display output via LTDC to embedded LCD.

Use Value: Triple-interleaved ADC (7.2 MSPS) digitizes RF echo signals; hardware crypto secures DICOM export - meets FDA Class II software-in-the-loop requirements.

Smart Grid Gateway

Automated Test Equipment (ATE)

Use Scenario: Substation gateway aggregating Modbus RTU, IEC 61850 GOOSE, and DNP3 traffic over dual Ethernet ports with time-synchronized logging.

IC Role / Device Role / Timing Role: Dual-CAN + dual-Ethernet hub with IEEE 1588v2 hardware timestamping, running Linux-based protocol stack and secure TLS tunneling.

Use Value: Dedicated Ethernet DMA and hardware PTP engine ensure <1 µs timestamp jitter - satisfies IEC 61850-9-3 Class C timing accuracy.

Use Scenario: Rack-mounted functional tester performing high-speed digital pattern generation and analog stimulus/response measurement.

IC Role / Device Role / Timing Role: Precision timing controller generating synchronized 100 MHz digital waveforms (via timers) and acquiring 12-bit analog data (via triple ADC) with sub-10 ns trigger alignment.

Use Value: 17 timers (12×16-bit, 2×32-bit) with quadrature encoder input and PWM capture enable multi-channel stimulus-response correlation - eliminates need for FPGA co-processor.

Equivalent & Alternatives

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

Alternative Part	Technical Difference	Application Difference	Selection Advice
STM32F767ZIT6	Higher clock (216 MHz), larger flash (2 MB), L1 cache (32 KB I/D), no LTDC - adds FPU-enhanced DSP but removes integrated display controller	Suitable for Linux-capable edge nodes without direct display output; requires external GPU or LVDS bridge for UI	Select when prioritizing raw compute throughput and external memory bandwidth over integrated graphics
STM32H743ZIT6	Dual-core (Cortex-M7/M4), 480 MHz M7 core, 2 MB flash, 1 MB RAM, DSI host - replaces LTDC with MIPI DSI for ultra-low-power displays	Targeted at battery-powered portable HMIs with OLED/LCD panels; lacks parallel RGB interface and DCMI	Select for next-gen portable devices needing DSI, higher security (TRNG + PKA), and asymmetric multiprocessing

Compared with STM32F439ZGT6, STM32F767ZIT6 trades integrated LCD-TFT and DCMI for cache and higher clock speed, while STM32H743ZIT6 shifts to MIPI DSI and dual-core architecture - both require redesign of display and imaging subsystems.

Availability

STM32F439ZGT6 is available at Aetrix Electronics and suitable for industrial HMI development, medical imaging terminals, smart grid gateways, and automated test equipment requiring stable component supply across extended product lifecycles.

Supply support for STM32F439ZGT6 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 - serving industrial, automotive, and consumer markets with ISO 9001-certified manufacturing.

The STM32F4 Series targets high-performance real-time embedded applications demanding DSP capability, rich connectivity, and integrated graphics - designed specifically for industrial automation, medical devices, and advanced human-machine interfaces.

FAQ

What is the maximum resolution supported by the 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 WXGA (1366×768), UXGA (1600×1200), and QXGA (2048×1536) panel driving without external timing controllers or frame buffers.

Does STM32F439ZGT6 support hardware encryption for TLS/SSL stacks?

Yes - it includes dedicated hardware accelerators for AES-128/192/256, SHA-1/SHA-224/SHA-256, HMAC, and a NIST SP800-90B-compliant true random number generator. These accelerate TLS 1.2 handshake operations and certificate validation, reducing CPU overhead by >90% compared to software-only implementations.

Can the device operate with external SDRAM for framebuffer storage?

Yes - the Flexible Memory Controller (FMC) supports 16-/32-bit SDRAM with up to 256 MB addressing. When paired with the LTDC and Chrom-ART Accelerator™, it enables double-buffered 1024×768 RGB565 framebuffers (1.5 MB) with zero-copy GPU-like composition - verified in ST's STM32439I-EVAL reference design.

What debug interfaces are available, and is SWD sufficient for full development?

The device supports both SWD (2-pin) and JTAG (5-pin) debug interfaces, plus Cortex-M4 Trace Macrocell™ for instruction trace. SWD is fully sufficient for programming, real-time debugging, and profiling - ST's STM32CubeIDE and Keil MDK provide complete SWD support including live register view, RTOS-aware debugging, and energy profiling.

STM32F439ZGT6 Specifications

Product attributes: Attribute value

Manufacturer:: STMicroelectronics

Package/Case:: 144-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:: 114

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:

STM32F439ZGT6 FAQ

1.How can I place an order for STM32F439ZGT6 through Aetrix?

Please submit a Request for Quotation (RFQ) for STM32F439ZGT6 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 STM32F439ZGT6 reliable?

The price and inventory of STM32F439ZGT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F439ZGT6 is usually 5 days.

3.What payment methods are accepted for STM32F439ZGT6?

We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F439ZGT6 transactions.

Note: Certain payment methods may incur a processing fee.

4.How is shipping managed for STM32F439ZGT6?

STM32F439ZGT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.

Once your STM32F439ZGT6 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 STM32F439ZGT6?

For technical support, including STM32F439ZGT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F439ZGT6 requirements.

6.How does Aetrix verify that STM32F439ZGT6 is sourced from the original manufacturer or authorized distributors?

All STM32F439ZGT6 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 STM32F439ZGT6 meets industry standards.

7.What is the process for return or replacement of STM32F439ZGT6?

All STM32F439ZGT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F439ZGT6, 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 STM32F439ZGT6 part is unused and in its original packaging.

Return procedure for STM32F439ZGT6:

1.Submit a request within 90 days.

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

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