Specifications
Part NumberSTM32F429VGT6
ManufacturerSTMicroelectronics
CoreARM Cortex-M4 with FPU (Single Precision)
Max Frequency180 MHz
Flash Memory1 MB (1,048,576 bytes)
SRAM256 KB (includes 64KB CCM + 4KB backup)
PackageLQFP-100 (14×14mm, 0.5mm pitch)
Supply Voltage1.8 V – 3.6 V
Operating Temperature−40°C to +85°C (Industrial)
LCD-TFT ControllerUp to XGA (1024×768) resolution
Chrom-ART AcceleratorDMA2D — hardware 2D graphics acceleration
RoHS CompliantYes
Supply Voltage (VDD)1.8 V – 3.6 V
Supply Voltage (VBAT)1.65 V – 3.6 V
I/O Voltage3.3 V (5V tolerant on most pins)
Max Current (I/O pin)25 mA per pin
Run Mode Current (180MHz)~115 mA typical (Please confirm with manufacturer datasheet)
Stop Mode Current~9 µA (Please confirm with manufacturer datasheet)
Standby Mode Current~3 µA (Please confirm with manufacturer datasheet)
ADC Resolution12-bit, 3× ADC, 24 channels
DAC12-bit, 2× DAC
Timers2× advanced, 12× general purpose, 2× basic
UART / USART8× (up to 10.5 Mbit/s)
SPI6× SPI (up to 45 Mbit/s)
I²C3× I²C (Fast mode, 400 kHz)
USB OTG1× USB 2.0 FS + 1× USB 2.0 HS with ULPI
CAN2× CAN 2.0B
SDIO1× (for SD/MMC cards)
DMA2× DMA controllers, 8 streams each
LTDCLCD-TFT Display Controller — supports RGB parallel interface
DMA2D (Chrom-ART)Hardware 2D graphics acceleration — pixel format conversion, blending, filling
DCMI1× Digital Camera Interface (8/10/12/14-bit parallel)
Part NumberSTM32F429VGT6
Orderable Qty1 pcs – 10,000+ pcs
Price (1–9 pcs)Contact for quote
Price (10–99 pcs)Contact for quote
Price (100–499 pcs)Contact for quote
Price (500+ pcs)Best pricing available
Lead Time (stock)3–7 business days
PackagingTray / Tape & Reel (T&R)
Export ControlEAR99 (No license required)
Product Description

The STM32F429VGT6 is a feature-rich ARM Cortex-M4 microcontroller from STMicroelectronics clocked at 180 MHz with a single-precision FPU, DSP extensions, and a unique set of graphics-oriented peripherals. Packaged in LQFP-100, it provides 1MB of Flash memory and 256KB of SRAM (64KB CCM + 4KB backup SRAM). What distinguishes this chip from the rest of the STM32F4 family is its integrated LCD-TFT display controller (LTDC) and Chrom-ART Accelerator (DMA2D) — purpose-built hardware for driving graphical displays and performing 2D graphics operations with minimal CPU overhead.

In the UAV and drone industry, the STM32F429VGT6 fills a specialized niche as an OSD-capable flight controller MCU that can directly drive TFT LCD panels for ground control station displays, on-screen telemetry overlays, and heads-up displays. The Chrom-ART DMA2D accelerator handles pixel format conversion, alpha blending, and color filling in hardware — operations that would otherwise consume significant CPU cycles on a graphics-less MCU. The LTDC supports resolutions up to XGA (1024×768) with up to 24-bit color depth, enabling rich telemetry visualization directly on the flight controller without an external graphics processor.

Beyond its graphics capabilities, the F429 shares the same robust peripheral set as the STM32F427, including 8× USART, 6× SPI, Ethernet MAC, and USB OTG HS. This makes it suitable as a general-purpose flight controller MCU that also happens to have integrated display capabilities. For developers building drone controller ground stations, handheld OSD programmers, or integrated telemetry display units, the STM32F429VGT6 eliminates the need for a separate display controller IC, reducing BOM cost and PCB complexity while maintaining full autopilot functionality.

Key Features

  • 180 MHz Cortex-M4 with single-precision FPU and DSP instructions
  • 1MB Flash + 256KB SRAM (64KB CCM for real-time critical paths)
  • Integrated LCD-TFT controller (LTDC) — up to XGA 1024×768 at 24bpp
  • Chrom-ART Accelerator (DMA2D) for hardware 2D graphics operations
  • 8× USART, 6× SPI, 3× I²C, 2× CAN, Ethernet MAC, USB OTG FS + HS
  • DCMI parallel camera interface for analog video overlay solutions
  • Industrial temperature range −40°C to +85°C, wide voltage 1.8–3.6V
UAV Applications
Integrated OSD Flight Controller
Drives TFT display directly for real-time telemetry overlay without external OSD chip
Ground Control Station Display
Handheld GCS units with built-in LCD showing mission data, maps, and video feed
FPV Goggle OSD Processor
Telemetry overlay rendering for FPV goggles using Chrom-ART accelerated blending
Multi-Function Cockpit Display
All-in-one UAV cockpit with flight instruments, navigation map, and system status
Frequently Asked Questions
Q: Can the STM32F429VGT6 be used as a standard flight controller MCU without a display?
Absolutely. The STM32F429VGT6 is fully pin-compatible with the STM32F427VIT6 in LQFP-100, and when the LTDC and DMA2D peripherals are not used, it functions identically as a 180 MHz Cortex-M4 flight controller with 1MB Flash and 256KB SRAM. It is supported by Betaflight (F4 target), iNav, ArduPilot, and PX4 firmware. The additional SRAM (256KB vs 192KB on F405) provides extra headroom for complex sensor fusion algorithms. Deploying the F429 without a display simply means leaving the LTDC pins unconnected — no firmware changes required.
Q: What is the Chrom-ART Accelerator and how does it help with drone OSD?
The Chrom-ART Accelerator (DMA2D) is a dedicated 2D graphics DMA engine that offloads pixel-level operations from the CPU. In an OSD application, it can perform: pixel format conversion (e.g., ARGB8888 to RGB565), image blending with transparency (alpha compositing for HUD overlays), rectangle fills (clearing screen regions), and image copying. These operations execute in parallel with CPU computation, meaning your flight control loop at 1 kHz is completely unaffected by display updates. For telemetry overlays on FPV video, the DMA2D can composite OSD elements in microseconds rather than milliseconds.
Q: How does the STM32F429VGT6 compare to the STM32F427VIT6 for drone use?
The key difference is the graphics subsystem. Both chips share the same 180 MHz Cortex-M4 core and identical peripheral set (8× USART, 6× SPI, Ethernet MAC, CAN, etc.). The F429 adds the LTDC display controller and Chrom-ART DMA2D accelerator, plus 4KB of additional backup SRAM. The F427 offers 2MB Flash compared to 1MB on the F429, making the F427 a better choice when firmware size (not graphics capability) is the primary concern. For an OSD-enabled drone flight controller or display-integrated GCS, the F429 is the superior choice; for a standard autopilot where Flash capacity matters most, the F427 with 2MB is preferable.

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