STM32F427VGT6

Product Overview

The STM32F427VGT6 is a high-performance 32-bit microcontroller from STMicroelectronics' STM32F4 series, based on the Arm Cortex-M4 processor with a floating-point unit (FPU) and digital signal processing (DSP) instructions. Operating at up to 180 MHz, it integrates 1 MB of Flash memory, 256 KB of main SRAM, additional core-coupled memory, and a comprehensive range of communication, analog, and control peripherals.

Featuring the ART Accelerator, Chrom-ART graphics accelerator, flexible external memory interface, Ethernet, USB, and CAN connectivity, the STM32F427VGT6 is suitable for industrial automation, motor control, networking, instrumentation, and advanced embedded applications.

Key Features

• 32-bit Arm Cortex-M4 processor with single-precision FPU and DSP instructions

• Maximum CPU frequency of 180 MHz

• 1 MB embedded Flash memory

• Up to 256 KB SRAM, plus 4 KB backup SRAM

• 64 KB core-coupled memory (CCM) for data

• ART Accelerator for efficient Flash execution

• Chrom-ART graphics accelerator

• Flexible external memory controller

• Three 12-bit ADCs

• Two 12-bit DACs

• 16-stream DMA controller with FIFO and burst support

• USB 2.0 Full-Speed and High-Speed controller capabilities

• 10/100 Mbps Ethernet MAC with DMA

• Two CAN 2.0B Active interfaces

• Multiple USART, UART, I²C, and SPI interfaces

• I²S audio interfaces and SAI

• SDIO interface

• Parallel camera interface

• True random number generator and CRC unit

• Serial Wire Debug and JTAG support

• LQFP-100 package

Technical Specifications

Processor & Architecture

The STM32F427VGT6 features an Arm Cortex-M4 processor running at up to 180 MHz. Its single-precision FPU accelerates floating-point calculations, while DSP instructions support digital filtering, motor-control algorithms, and signal-processing workloads.

The ART Accelerator improves instruction execution from embedded Flash, and the Chrom-ART graphics accelerator supports graphics data manipulation. The integrated MPU helps control memory access and improve software robustness.

Memory & Storage

The STM32F427VGT6 provides internal memory resources for firmware, real-time data, and high-speed processing.

• 1 MB embedded Flash memory

• Up to 256 KB SRAM, including 64 KB of CCM data RAM

• Up to 4 KB backup SRAM

• 512 bytes of OTP memory

• Flexible external memory controller for supported SRAM, PSRAM, SDRAM, NOR, and NAND devices

The CCM memory is intended for data access by the processor and is not interchangeable with general-purpose SRAM for every DMA or peripheral use case.

Analog Peripherals

The STM32F427VGT6 integrates analog resources for measurement, signal acquisition, and control.

• Three 12-bit ADCs

• ADC sampling up to 2.4 MSPS per ADC under specified conditions

• Up to 24 ADC channels

• Triple-interleaved ADC operation with aggregate sampling up to 7.2 MSPS under supported configurations

• Two 12-bit DACs

These peripherals support sensor interfaces, feedback control, industrial measurement, and waveform generation.

Timer & PWM Resources

The STM32F427VGT6 provides extensive timer resources for real-time control and signal measurement.

• Up to twelve 16-bit timers

• Two 32-bit general-purpose timers

• Advanced PWM and motor-control timer functions

• Input capture and output compare

• Pulse counting and quadrature encoder support on applicable timers

• Watchdog timers

• SysTick timer

• RTC with calendar functionality

These resources support motor drives, pulse measurement, event scheduling, and precision timing.

Communication & Connectivity

The STM32F427VGT6 supports a broad selection of interfaces for industrial systems and connected embedded products.

• USB 2.0 Full-Speed controller with on-chip PHY

• USB 2.0 High-Speed/Full-Speed controller with dedicated DMA and ULPI support for an external High-Speed PHY

• 10/100 Mbps Ethernet MAC with DMA and IEEE 1588v2 hardware support

• Two CAN 2.0B Active interfaces

• Up to three I²C interfaces

• Up to four USART interfaces and four UART interfaces across supported functions

• Multiple SPI interfaces

• Two I²S interfaces multiplexed with SPI functions

• SAI serial audio interface

• SDIO interface

• Parallel camera interface supporting 8- to 14-bit data

• LCD parallel interface supporting 8080/6800 modes

Available simultaneous interfaces depend on pin multiplexing and the selected peripheral configuration.

Clock & Power Management

The STM32F427VGT6 includes flexible clock sources and integrated power-management features.

• External high-speed crystal or clock input

• Internal 16 MHz factory-trimmed RC oscillator

• Low-speed clock sources for RTC operation

• Configurable system and peripheral clocks

• Power-on reset and power-down reset

• Programmable voltage detector and brownout reset

• VBAT supply for RTC and backup registers

The device operates from a 1.8–3.6 V supply range. Consult the official datasheet for detailed power-supply connections, clock configuration, and electrical requirements.

Low-Power Operation

The STM32F427VGT6 includes several operating modes to reduce energy consumption when full processing performance is unnecessary.

• Sleep mode

• Stop mode

• Standby mode

• Backup-domain power support

• RTC-based timing and wake-up capabilities

• Flexible peripheral clock control

Power consumption depends on the clock configuration, peripheral activity, memory retention, and application conditions.

Power Management

Integrated power-control resources support stable operation across the specified supply range.

• Supply voltage from 1.8 V to 3.6 V

• Power-on and power-down reset

• Programmable voltage detection

• Brownout reset

• VBAT supply for RTC and backup resources

For production designs, review the datasheet's recommended supply connections, decoupling requirements, current consumption, and startup conditions.

Security & Data Integrity

The STM32F427VGT6 provides features for data integrity and firmware protection.

• Memory Protection Unit (MPU)

• Flash readout protection

• True random number generator

• CRC calculation unit

• 96-bit unique device identification

• Backup registers and backup SRAM

These features support embedded software reliability and data validation. The STM32F427VGT6 should not be assumed to include the hardware cryptographic accelerator available in certain related STM32F437 variants.

Development & Debugging

The STM32F427VGT6 is supported by STMicroelectronics' STM32 development ecosystem.

• Serial Wire Debug (SWD)

• JTAG debugging

• Cortex-M4 trace support

• STM32CubeMX configuration tools

• STM32CubeIDE development environment

• STM32CubeProgrammer programming utility

• Supported STM32 firmware libraries and middleware

These tools help engineers configure peripherals, develop firmware, program devices, and debug embedded applications.

Applications

The STM32F427VGT6 is suitable for demanding embedded applications, including:

• Industrial automation and control

• Motor drives and motion control

• Ethernet-connected controllers

• USB-connected equipment

• Data acquisition and instrumentation

• Industrial networking

• Real-time signal processing

• Embedded graphical interfaces

• Camera-connected devices

• Communication gateways

• Audio processing

• General-purpose high-performance embedded systems

Benefits

• High processing performance: 180 MHz Cortex-M4 with FPU and DSP instructions.

• Fast Flash execution: ART Accelerator helps improve instruction throughput.

• Integrated graphics support: Chrom-ART accelerator assists graphics data processing.

• Flexible memory architecture: Internal Flash, SRAM, CCM, and external memory support.

• Rich connectivity: Ethernet, USB, CAN, SDIO, and multiple serial interfaces.

• Analog integration: Three ADCs and two DACs support measurement and control.

• Established development ecosystem: STM32 tools and software libraries support development and maintenance.

Packaging & Ordering Information

• Part Number: STM32F427VGT6

• Manufacturer: STMicroelectronics

• Device Family: STM32F4 High-Performance Microcontrollers

• Package: LQFP-100

• Package Code: LQFP100

• Package Size: 14 × 14 × 1.4 mm

• Packing Type: Tray

• Supply Voltage: 1.8–3.6 V

• Operating Temperature: -40°C to +85°C

• Product Status: Active, in volume production

• Grade: Industrial

• RoHS: ECOPACK2 compliant

Datasheet

For complete electrical characteristics, pin configuration, memory architecture, ADC specifications, timer configuration, communication interfaces, absolute maximum ratings, and application information, please refer to the official STMicroelectronics documentation.

Datasheet: Official STM32F427VGT6 Datasheet

Frequently Asked Questions

What is the maximum operating frequency of the STM32F427VGT6?

The Arm Cortex-M4 processor operates at up to 180 MHz.

How much Flash memory does the STM32F427VGT6 provide?

It provides 1 MB of embedded Flash memory.

How much SRAM does the STM32F427VGT6 have?

It supports up to 256 KB of SRAM, including 64 KB of CCM data RAM, plus up to 4 KB of backup SRAM.

What package does the STM32F427VGT6 use?

It uses an LQFP-100 package measuring 14 × 14 × 1.4 mm.

Does the STM32F427VGT6 support Ethernet and USB?

Yes. It includes a 10/100 Mbps Ethernet MAC and USB Full-Speed and High-Speed controller capabilities. High-Speed USB operation requires a compatible external PHY.

Does the STM32F427VGT6 include hardware cryptographic acceleration?

The STM32F427VGT6 includes a true random number generator and CRC unit, but it should not be confused with related STM32F437 devices that provide dedicated hardware cryptographic acceleration.

What is the operating temperature range?

The specified operating temperature range is -40°C to +85°C.

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