STM32G474VET6

Product Overview

The STM32G474VET6 is a high-performance 32-bit microcontroller from STMicroelectronics based on the Arm Cortex-M4 core with floating-point unit (FPU), DSP instructions and a Memory Protection Unit (MPU).

Operating at up to 170 MHz, the STM32G474VET6 integrates 512KB Flash memory and up to 128KB SRAM, together with advanced analog peripherals, mathematical accelerators, high-resolution timers, motor-control peripherals and extensive communication interfaces.

The device is designed for demanding embedded applications including motor control, digital power conversion, industrial automation, power supplies, battery systems, renewable energy, EV charging and other high-performance control applications.

Key Features

• Arm Cortex-M4 32-bit RISC core

• Up to 170 MHz CPU frequency

• Up to 213 DMIPS performance

• Single-precision FPU

• DSP instruction set

• Memory Protection Unit (MPU)

• 512KB Flash memory with ECC

• Up to 128KB SRAM

• Dual-bank Flash with read-while-write capability

• CORDIC mathematical accelerator

• FMAC filter mathematical accelerator

• 5 × 12-bit ADCs

• Up to 42 ADC channels

• 7 × 12-bit DAC channels

• 7 ultra-fast analog comparators

• 6 operational amplifiers

• 16-channel DMA controller

• High-resolution timer with 184ps resolution

• Multiple advanced motor-control timers

• 3 × FDCAN

• 4 × I²C

• 4 × SPI

• 3 × USART

• 2 × UART

• 1 × LPUART

• USB 2.0 Full-Speed

• USB Type-C / USB Power Delivery controller

• SAI audio interface

• Quad-SPI interface

• True random number generator

• CRC calculation unit

• 96-bit unique device ID

• SWD, JTAG and ETM debugging

• 1.71V to 3.6V supply voltage

• -40°C to +85°C operating temperature

• 100-pin LQFP package

• ECOPACK2 compliant

Technical Specifications

The STM32G474VE family provides the 512KB Flash configuration and extensive analog, timer and communication resources listed above. The exact STM32G474VET6 variant uses the 100-pin LQFP package and the -40°C to +85°C temperature grade.

Processor & Architecture

The STM32G474VET6 integrates a high-performance Arm Cortex-M4 processor operating at up to 170 MHz.

The processor includes:

• Single-precision floating-point unit

• DSP instructions

• Memory Protection Unit

• Adaptive real-time accelerator (ART Accelerator)

• Up to 213 DMIPS performance

The Cortex-M4 architecture makes the device suitable for computationally intensive control algorithms, motor-control applications, digital power systems and industrial automation.

Memory & Storage

The STM32G474VET6 provides a large integrated memory system:

• 512KB Flash memory

• Flash ECC support

• Dual-bank Flash

• Read-while-write capability

• Proprietary Code Read-Out Protection (PCROP)

• Securable memory area

• 1KB OTP memory

• Up to 96KB SRAM with hardware parity on the first 32KB

• 32KB CCM SRAM for instruction and data access

• Quad-SPI Flash memory interface

• FSMC external memory interface for supported package configurations

The combination of large Flash and SRAM capacity provides sufficient memory for complex control firmware and real-time algorithms.

Analog Peripherals

One of the major strengths of the STM32G474VET6 is its high level of analog integration.

The device provides:

• 5 × 12-bit ADCs

• Up to 42 ADC channels

• ADC conversion speed up to 4 MSPS

• Hardware oversampling

• Up to 16-bit effective resolution through oversampling

• 7 × 12-bit DAC channels

• 3 buffered external DAC channels

• 4 unbuffered internal DAC channels

• 7 high-speed rail-to-rail comparators

• 6 operational amplifiers

• PGA functionality

• Internal voltage reference buffer

The integrated analog resources are particularly useful for motor control, power conversion, current/voltage measurement, sensing and industrial control.

Timer & PWM Resources

The STM32G474VET6 contains an extensive timer subsystem optimized for advanced control applications.

Timer resources include:

• High-resolution timer with 184ps resolution

• 12 high-resolution PWM outputs

• 2 × 32-bit general-purpose timers

• Multiple 16-bit general-purpose timers

• 3 advanced motor-control timers

• Multiple PWM channels

• Dead-time generation

• Emergency-stop inputs

• Low-power timer

• Basic timers

• Independent and window watchdog timers

• 24-bit SysTick timer

The high-resolution timer and advanced PWM resources make the STM32G474VET6 especially suitable for high-frequency power conversion, motor drives and digital power-control systems.

Communication & Connectivity

The STM32G474VET6 integrates extensive communication interfaces:

• 3 × FDCAN controllers with CAN FD support

• 4 × I²C interfaces

• 4 × SPI interfaces

• 3 × USART interfaces

• 2 × UART interfaces

• 1 × LPUART

• 1 × SAI interface

• USB 2.0 Full-Speed device interface

• USB Type-C / USB Power Delivery controller

• Quad-SPI interface

• IRTIM infrared interface

The I²C interfaces support Fast Mode Plus operation up to 1 Mbit/s and SMBus/PMBus functions. The FDCAN interfaces provide flexible data-rate communication for automotive and industrial networking.

Clock & Power Management

The STM32G474VET6 supports multiple internal and external clock sources.

Clock resources include:

• 4MHz to 48MHz crystal oscillator

• 32kHz oscillator with calibration

• Internal 16MHz RC oscillator

• PLL support

• Internal 32kHz RC oscillator

The MCU includes power-on and power-down reset functions, brownout reset, programmable voltage detection and multiple low-power modes.

The analog peripherals can also use independent power supplies, allowing greater flexibility in mixed-signal system designs.

Low-Power Operation

The STM32G474VET6 supports several power-saving modes:

• Sleep

• Stop

• Standby

• Shutdown

The RTC can continue operating during low-power modes, while the VBAT supply supports backup operation for the RTC and backup registers.

These features allow the MCU to balance high-performance processing with low-power system requirements.

Power Management

The STM32G474VET6 operates from a 1.71V to 3.6V supply.

Power-management features include:

• Power-on reset

• Power-down reset

• Brownout reset

• Programmable voltage detector

• Low-power modes

• Independent analog power supply options

• VBAT supply for RTC and backup registers

• Internal voltage reference buffer

The flexible power architecture is suitable for industrial controllers, battery-powered equipment and mixed-signal systems.

Security & Data Integrity

The STM32G474VET6 provides multiple hardware features for firmware protection and data integrity:

• Flash ECC

• SRAM parity checking

• Readout protection

• Write protection

• Proprietary Code Read-Out Protection

• Securable memory area

• 1KB OTP memory

• True random number generator

• CRC calculation unit

• 96-bit unique device ID

• Memory Protection Unit

These features help protect firmware and improve system reliability in industrial and embedded applications.

Development & Debugging

The STM32G474VET6 supports a comprehensive set of development and debugging interfaces:

• Serial Wire Debug (SWD)

• JTAG

• Embedded Trace Macrocell (ETM)

• STM32 development ecosystem

• STM32Cube software ecosystem

• Standard STM32 programming and debugging tools

The extensive development ecosystem helps engineers implement complex motor-control, power-management and industrial applications efficiently.

Applications

The STM32G474VET6 is suitable for a broad range of high-performance embedded applications, including:

• Motor control

• Industrial automation

• Digital power supplies

• Power converters

• Solar inverters

• Battery management systems

• EV charging equipment

• Energy storage systems

• Smart power systems

• Industrial drives

• Robotics

• HVAC control

• Factory automation

• Power-factor correction

• Consumer and professional appliances

The high-resolution timer, advanced analog peripherals, FDCAN and mathematical accelerators make it particularly suitable for digital power and motor-control applications.

Benefits

• 170MHz Cortex-M4 performance

• Single-precision FPU and DSP instructions

• 512KB Flash memory

• Up to 128KB SRAM

• Integrated CORDIC and FMAC accelerators

• 5 × high-speed ADCs

• 7 × DAC channels

• 7 comparators

• 6 operational amplifiers

• 184ps high-resolution timer

• Advanced motor-control PWM resources

• 3 × FDCAN interfaces

• USB and USB Type-C Power Delivery support

• Extensive industrial communication interfaces

• Wide 1.71V to 3.6V supply range

• Industrial -40°C to +85°C temperature grade

• 100-pin LQFP package

• STMicroelectronics STM32G4 development ecosystem

Packaging & Ordering Information

• Part Number: STM32G474VET6

• Manufacturer: STMicroelectronics

• Device Family: STM32G4

• Device Series: STM32G474VE

• Core: Arm Cortex-M4

• Maximum Frequency: 170MHz

• Flash Memory: 512KB

• SRAM: Up to 128KB

• Package: LQFP-100

• Package Dimensions: 14mm × 14mm × 1.4mm

• Packing Type: Tray

• Supply Voltage: 1.71V to 3.6V

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

• Product Grade: Industrial

• RoHS: ECOPACK2

• Product Status: Active

ST currently lists STM32G474VET6 as Active and identifies the exact variant as a 100-pin LQFP device. The ST Online Store currently lists the VET6 variant as active, with the corresponding VET6TR variant available as the tape-and-reel suffix.

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 STM32G474VET6 Datasheet

Frequently Asked Questions

What is the STM32G474VET6?

The STM32G474VET6 is a high-performance 32-bit STMicroelectronics MCU based on the Arm Cortex-M4 core, operating at up to 170 MHz.

How much Flash memory does STM32G474VET6 have?

It provides 512KB of embedded Flash memory with ECC support.

How much SRAM does STM32G474VET6 have?

The STM32G474VE family provides up to 128KB SRAM, including 96KB SRAM plus 32KB CCM SRAM.

What package does STM32G474VET6 use?

The exact STM32G474VET6 part uses a 100-pin LQFP package measuring 14mm × 14mm × 1.4mm.

What is the operating voltage?

The device operates from 1.71V to 3.6V.

What is the operating temperature range?

The STM32G474VET6 industrial-grade variant operates from -40°C to +85°C.

Does STM32G474VET6 have ADCs?

Yes. It integrates five 12-bit ADCs with up to 42 channels and hardware oversampling.

Does STM32G474VET6 have DACs?

Yes. The device provides seven 12-bit DAC channels, including three buffered external channels and four internal channels.

Does STM32G474VET6 support CAN FD?

Yes. The STM32G474VE family integrates three FDCAN controllers with CAN FD support.

Is STM32G474VET6 suitable for motor control?

Yes. The device combines advanced motor-control timers, high-resolution PWM, ADCs, comparators, operational amplifiers and mathematical accelerators, making it particularly well suited to motor-control and digital-power applications.

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