STMicroelectronics STM32F427VIT7TR

Overview

STM32F427VIT7TR from STMicroelectronics is a 32-bit Arm® Cortex®-M4 microcontroller with FPU, operating at up to 180 MHz (225 DMIPS), featuring 1 MB flash memory, 256 KB SRAM + 4 KB backup SRAM, and integrated USB OTG HS/FS, 10/100 Ethernet MAC, and dual CAN 2.0B interfaces. It targets high-performance industrial control, motor drive, and embedded vision systems requiring real-time processing, connectivity, and graphics acceleration.

For engineers reviewing the STM32F427VIT7TR datasheet, STM32F427VIT7TR pinout, STM32F427VIT7TR application, or STM32F427VIT7TR equivalent, key selection criteria include its LQFP100 package with 82 GPIOs, ART Accelerator™ enabling zero-wait-state execution from flash, Chrom-ART DMA2D for LCD-TFT rendering, triple 12-bit ADCs (7.2 MSPS interleaved), and hardware IEEE 1588v2 support for precision time synchronization.

Technical Context

The STM32F427VIT7TR implements an Arm Cortex-M4 core with floating-point unit and DSP extensions, coupled with ST's Adaptive Real-Time Accelerator (ART Accelerator™) that eliminates flash wait states across full 0–180 MHz operation. Its memory subsystem includes dual-bank flash (1 MB), 256 KB main SRAM, 64 KB CCM RAM, and 4 KB battery-backed SRAM for RTC-critical data retention.

Peripherals are organized around a multi-AHB bus matrix supporting concurrent high-bandwidth transfers: dedicated DMA channels for Ethernet MAC, USB OTG HS/FS, DCMI (54 MB/s camera interface), and SAI audio; plus flexible external memory controller (FMC) supporting SDRAM, NOR, NAND, and PSRAM. The device lacks LCD-TFT controller - confirmed exclusive to STM32F429xx series per DS9405 Rev 13 Section 3.10.

Key Specifications

Pinout & Package

LQFP100 package (14 × 14 mm, 0.5 mm pitch) with exposed thermal pad (EPAD) on underside for enhanced thermal dissipation in continuous operation. Pin count: 100 leads, of which 82 are user-configurable GPIOs with interrupt capability, multiple alternate functions, and 5 V tolerance on designated pins.

Key Features

Applications

Equivalent & Alternatives

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

Compared with STM32F427VIT7TR, STM32F429ZIT6 adds display-specific IP at higher pin count and cost, while STM32H743VIT6 trades mature F4 peripheral maturity for raw M7 throughput and security - neither is pin-compatible, and both require PCB redesign.

Availability

STM32F427VIT7TR is available at Aetrix Electronics and suitable for industrial motor drives, factory automation gateways, medical imaging front-ends, and smart energy metering hubs requiring stable component supply across extended product lifecycles.

Supply support for STM32F427VIT7TR 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, specializing in microcontrollers, power management, sensors, and automotive ICs with vertical manufacturing and broad industrial design-in support.

The STM32F4-series targets high-performance real-time embedded applications demanding DSP capability, rich connectivity, and deterministic timing - optimized for industrial control, medical devices, and IoT edge nodes.

FAQ

What is the maximum operating temperature range for STM32F427VIT7TR?

The STM32F427VIT7TR is rated for industrial temperature range: –40 °C to +85 °C ambient, verified per DS9405 Rev 13 Section 6.3.1. Thermal derating begins above 70 °C ambient when operating at 180 MHz with full peripheral activation; junction temperature must remain ≤125 °C.

Does STM32F427VIT7TR support USB OTG High-Speed operation?

Yes - it integrates a full-speed USB OTG PHY and a high-speed USB OTG controller with dedicated DMA and ULPI interface. External high-speed PHY (e.g., USB3300) is required for HS operation; the on-chip PHY supports only full-speed (12 Mbps) mode.

Is the LCD-TFT controller present in STM32F427VIT7TR?

No - the LCD-TFT controller (LTDC) and Chrom-ART Accelerator™ are exclusive to the STM32F429xx series per DS9405 Rev 13 Section 3.10 and Table 2. STM32F427VIT7TR supports parallel 8080/6800 display interfaces only, without built-in pixel clock generation or layer composition.

How many independent CAN interfaces does STM32F427VIT7TR provide?

It provides two fully independent bxCAN 2.0B controllers (CAN1 and CAN2), each with dedicated message RAM, filter banks, and TX/RX FIFOs. Both support bit rates up to 1 Mbps and are electrically isolated from each other - enabling dual-network architectures like chassis + infotainment CAN buses.