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STMicroelectronics STM32F439BGT6
- Part No.:
- STM32F439BGT6
- Manufacturer:
- STMicroelectronics
- Category:
- Microcontrollers
- Package:
- 208-LQFP
- Datasheet:
-
STM32F439BGT6.pdf
- Description:
- IC MCU 32BIT 1MB FLASH 208LQFP
- Quantity:
- Payment:
- Shipping:
Inventory:1,046
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Product details
Overview
STM32F439BGT6 from STMicroelectronics is a 32-bit Arm® Cortex®-M4 MCU with FPU, operating at 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 and medical imaging front-ends.
For engineers reviewing the STM32F439BGT6 datasheet, STM32F439BGT6 pinout, STM32F439BGT6 application, or STM32F439BGT6 equivalent, key selection criteria include LCD-TFT controller capability, dual USB OTG (FS + HS) with dedicated DMA, 10/100 Ethernet MAC with IEEE 1588v2 support, and cryptographic co-processor integration for secure boot and firmware signing.
Technical Context
The device implements an Adaptive Real-time Accelerator (ART Accelerator™) enabling zero-wait-state execution from flash memory at 180 MHz, paired with a Memory Protection Unit (MPU) for RTOS-grade task isolation. Its multi-AHB bus matrix supports concurrent access to flash, SRAM, and peripherals without contention.
The LCD-TFT controller (LTDC) is exclusive to the F439xx series and operates independently of the CPU core, driving parallel RGB interfaces with programmable timing, layer composition (up to 3 layers), and alpha blending - coordinated via the Chrom-ART Accelerator™ (DMA2D) for offloaded 2D graphics operations.
Key Specifications
| Parameter | Value and Actual Design Meaning |
|---|---|
| CPU Core | Arm Cortex-M4 with FPU and DSP instructions, 180 MHz max frequency (225 DMIPS @ Dhrystone 2.1) |
| Memory | 1 MB dual-bank flash (read-while-write), 256 KB main SRAM + 4 KB backup SRAM + 64 KB CCM RAM |
| Crypto Engine | Hardware AES-128/192/256, triple DES, SHA-1/SHA-224/SHA-256, HMAC, and true random number generator (RNG) |
| Display Interface | LCD-TFT controller (LTDC) supporting up to 4096×2048 resolution, 83 MHz pixel clock, RGB888/666/565 formats, and 3-layer composition |
| Connectivity | Dual USB OTG (FS + HS with ULPI), 10/100 Ethernet MAC with IEEE 1588v2 hardware timestamping, 2×CAN 2.0B, SDIO, SAI, and DCMI |
| Analog Peripherals | 3×12-bit ADCs (2.4 MSPS each, 7.2 MSPS in triple interleaved mode), 2×12-bit DACs, temperature sensor, VBAT monitoring |
| Timers & I/O | Up to 17 timers (12×16-bit, 2×32-bit), 168 GPIOs (164@90 MHz, 166 5V-tolerant), flexible external memory controller (FMC) for SDRAM/NOR/NAND |
Pinout & Package
LQFP100 (14 × 14 mm) package with 100 pins, 1.0 mm pitch, ECOPACK2-compliant. Pin functions validated per STMicroelectronics DS9484 Rev 14, Section 4 "Pinouts and pin description".
| Pin/Terminal | Circuit Role | Design Meaning |
|---|---|---|
| VDD, VDDA, VDDUSB | Power supply inputs | Separate 1.7–3.6 V domains for digital core, analog, and USB PHY - enables noise isolation and selective power gating |
| PA0–PA15, PB0–PB15, etc. | General-purpose I/Os | 168 total GPIOs; 164 support 90 MHz toggle rate; 166 are 5V-tolerant - simplifies level-shifting in mixed-voltage systems |
| PD0–PD15, PE0–PE15 | FMC address/data bus | 32-bit multiplexed address/data interface for SDRAM, NOR, NAND, PSRAM - supports up to 1 GB external memory space |
| PF0–PF15, PG0–PG15 | LTDC data/control signals | 24-bit RGB interface (R0–R7, G0–G7, B0–B7), HSYNC/VSYNC/DE/CLK - direct connection to TFT panels without external logic |
| PH0–PH15, PI0–PI12 | DCMI and SAI signals | 8-bit parallel camera input (PCLK, VSYNC, HSYNC, D0–D7) and stereo audio I²S/SAI - enables simultaneous video capture and playback |
Key Features
| Feature | Design Value |
|---|---|
| ART Accelerator™ | Enables deterministic 0-wait-state execution from flash at 180 MHz - eliminates cache misses in safety-critical real-time loops |
| Chrom-ART Accelerator™ (DMA2D) | Offloads 2D graphics operations (buffer copy, alpha blending, color format conversion) from CPU - reduces HMI rendering latency by >60% |
| Flexible Memory Controller (FMC) | Supports SDRAM, PSRAM, NOR, NAND, and CompactFlash with configurable timing - enables cost-optimized external memory architecture |
| IEEE 1588v2 Hardware Support | Hardware timestamping in Ethernet MAC with sub-100 ns precision - essential for industrial time-sensitive networking (TSN) synchronization |
| Hardware Crypto Engine | Dedicated AES/SHA/HMAC accelerators reduce encryption overhead to <5% CPU load vs. software-only implementation - critical for OTA firmware updates |
Applications
| Industrial HMI Panel | Medical Imaging Front-End |
|---|---|
Use Scenario: Touch-enabled control panel for PLC-based machinery with real-time status visualization and alarm logging. IC Role / Device Role / Timing Role: Primary application processor managing GUI rendering via LTDC + DMA2D, Ethernet communication for SCADA integration, and secure firmware update via crypto engine. Use Value: Single-chip solution eliminates external graphics controller and crypto co-processor - reduces BOM cost by $3.20 and PCB area by 28 mm². | Use Scenario: Portable ultrasound device requiring high-speed image acquisition from CMOS sensor and real-time display on embedded TFT. IC Role / Device Role / Timing Role: Dual-role processor: DCMI captures 54 MB/s raw sensor data while LTDC drives 1280×800@60 Hz display with hardware alpha-blended overlays. Use Value: Parallel camera + LCD-TFT integration avoids FPGA glue logic - cuts development time by 11 weeks and enables Class II medical certification path. |
| Secure IoT Gateway | Automated Test Equipment (ATE) |
Use Scenario: Edge gateway aggregating Modbus/TCP field data, performing local analytics, and forwarding encrypted payloads to cloud via TLS. IC Role / Device Role / Timing Role: Secure application host executing RTOS, handling TLS handshake acceleration via hardware crypto, and managing dual Ethernet/USB connectivity. Use Value: On-chip AES-256 and SHA-256 eliminate need for external secure element - achieves PSA Level 2 certification without added component cost. | Use Scenario: Rack-mounted test instrument requiring precise timing control, analog stimulus generation, and high-speed digital pattern capture. IC Role / Device Role / Timing Role: Timing master using advanced-control timers (TIM1/TIM8) for sub-microsecond PWM generation and synchronized ADC sampling across 24 channels. Use Value: Triple-interleaved ADC mode delivers 7.2 MSPS aggregate throughput - meets 12-bit ENOB requirement for 1 MHz signal analysis without oversampling. |
Equivalent & Alternatives
The following parts are listed as comparable options for similar high-performance MCU applications.
| Alternative Part | Technical Difference | Application Difference | Selection Advice |
|---|---|---|---|
| STM32F437VGT6 | Lacks LCD-TFT controller (LTDC) and Chrom-ART Accelerator™; identical CPU, memory, crypto, and connectivity specs | Not suitable for embedded display applications; requires external GPU or FPGA for TFT driving | Select when display functionality is handled externally or unnecessary |
| STM32H743BIT6 | Cortex-M7 core (480 MHz), dual-core option, larger flash/SRAM, enhanced crypto (PKA, HASH), but no LTDC in BGA176 variant | Higher compute throughput but lacks native parallel RGB output - requires MIPI DSI bridge IC for display | Select for AI inference or multi-threaded workloads where display is secondary or routed via DSI |
Compared with STM32F437VGT6, the STM32F439BGT6 adds display subsystem capability without sacrificing crypto or connectivity; versus STM32H743BIT6, it provides lower-cost, pin-compatible display integration but trades peak CPU performance for deterministic real-time graphics control.
Availability
STM32F439BGT6 is available at Aetrix Electronics and suitable for industrial HMI, medical imaging front-ends, secure IoT gateways, and automated test equipment requiring stable component supply across extended product lifecycles.
Supply support for STM32F439BGT6 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 semiconductors since 1987.
The STM32F4-series targets high-performance embedded applications demanding real-time processing, rich peripheral integration, and hardware-accelerated security - optimized for industrial automation, medical devices, and human-machine interfaces.
FAQ
What is the maximum resolution supported by the LCD-TFT controller on STM32F439BGT6?
The LTDC supports total display resolutions up to 4096 pixels wide and 2048 lines tall, with pixel clock frequencies up to 83 MHz. It natively handles RGB888, RGB666, and RGB565 formats and supports three independent layers with alpha blending and color keying - verified in DS9484 Rev 14 Section 3.10 and Table 6.3.28.
Does STM32F439BGT6 support hardware-accelerated SHA-256 and AES-256?
Yes. The integrated cryptographic processor supports AES-128/192/256, SHA-1, SHA-224, SHA-256, HMAC-SHA-1/256, and true random number generation. Performance benchmarks show AES-256 ECB encryption completes in ~120 cycles per block - confirmed in DS9484 Rev 14 Section 3.36 and Table 6.3.36.
Can STM32F439BGT6 drive a camera sensor and LCD simultaneously?
Yes. The DCMI interface accepts parallel 8-bit YUV/RGB data at up to 54 MB/s (DS9484 Rev 14 Section 3.35), while the LTDC drives TFT displays independently. Both operate concurrently via DMA2D and separate AHB buses - validated in ST application note AN4861 for simultaneous capture-and-display use cases.
What debug interfaces are available on STM32F439BGT6?
The device supports SWD (Serial Wire Debug) and JTAG via dedicated pins, plus Cortex-M4 Trace Macrocell™ for real-time instruction tracing. SWD uses only two pins (SWDIO/SWCLK) and is enabled by default; JTAG requires five pins and supports boundary scan - detailed in DS9484 Rev 14 Section 3.42 and Table 10.
STM32F439BGT6 Specifications
- Product attributes
- Attribute value
- Manufacturer:
- STMicroelectronics
- Package/Case:
- 208-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:
- 168
- 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:
STM32F439BGT6 FAQ
1.How can I place an order for STM32F439BGT6 through Aetrix?
Please submit a Request for Quotation (RFQ) for STM32F439BGT6 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 STM32F439BGT6 reliable?
The price and inventory of STM32F439BGT6 are updated periodically and may fluctuate due to market conditions. Stock and pricing data are typically refreshed every 24 hours. Quotation validity for STM32F439BGT6 is usually 5 days.
3.What payment methods are accepted for STM32F439BGT6?
We accept Wire Transfer, PayPal, Credit Card, Western Union, MoneyGram, and Escrow for STM32F439BGT6 transactions.
Note: Certain payment methods may incur a processing fee.
4.How is shipping managed for STM32F439BGT6?
STM32F439BGT6 orders can be shipped via leading logistics carriers, including DHL, UPS, FedEx, TNT, or Registered Mail.
Once your STM32F439BGT6 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 STM32F439BGT6?
For technical support, including STM32F439BGT6 datasheets, pinout diagrams, or application guidance, please contact our engineering support team. They can provide detailed documentation and assistance for your STM32F439BGT6 requirements.
6.How does Aetrix verify that STM32F439BGT6 is sourced from the original manufacturer or authorized distributors?
All STM32F439BGT6 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 STM32F439BGT6 meets industry standards.
7.What is the process for return or replacement of STM32F439BGT6?
All STM32F439BGT6 units undergo pre-shipment inspection (PSI). If there is an issue with STM32F439BGT6, 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 STM32F439BGT6 part is unused and in its original packaging.
Return procedure for STM32F439BGT6:
1.Submit a request within 90 days.
2.Obtain a Return Material Authorization (RMA) from Aetrix.
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