STM32F407VET6 – STMicroelectronics 32-bit Arm Cortex-M4 MCU

Product Overview

The STM32F407VET6 is a high-performance 32-bit microcontroller manufactured by STMicroelectronics. It belongs to the STM32F4 series, based on the Arm Cortex-M4 core with FPU, designed for embedded applications that require high processing performance, rich peripherals, DSP capability, and efficient real-time control.

This device runs at up to 168MHz, integrates 512KB Flash memory and 192KB SRAM, and is supplied in a 100-pin LQFP package. ST’s official STM32F407VE product page describes the STM32F407 family as using an Arm Cortex-M4 CPU with FPU, ART Accelerator, DSP instructions, and up to 168MHz operation, with up to 1MB Flash and up to 192+4KB SRAM across the family. 

The exact STM32F407VET6 orderable part is listed by DigiKey as a 32-bit Arm Cortex-M4 STM32F4 microcontroller, 168MHz, 512KB Flash, 192KB SRAM, 1.8V to 3.6V supply, 100-LQFP package, and -40°C to +85°C operating temperature. 

Part Number Breakdown

Competitive Advantages

✔ Arm Cortex-M4 with FPU

✔ Up to 168MHz CPU frequency

✔ 512KB Flash and 192KB SRAM

✔ DSP instructions and hardware floating-point support

✔ ART Accelerator for efficient Flash execution

✔ Rich interfaces: USB OTG, Ethernet, CAN, SPI, I²C, UART, I²S, SDIO

✔ Integrated 12-bit ADCs and 12-bit DACs

✔ LQFP-100 package for practical PCB assembly

✔ Suitable for industrial control, motor control, communication gateways, audio processing, HMI, and embedded systems

Key Features

1. Arm Cortex-M4 Core with FPU

The STM32F407VET6 uses a high-performance Arm Cortex-M4 core with a single-precision floating-point unit.

Benefits:

• Efficient real-time control processing
• Suitable for DSP and math-heavy embedded algorithms
• Better performance for motor control, audio, and sensor fusion
• Supports floating-point calculations without heavy software overhead

2. 168MHz High-Performance Operation

The MCU runs at up to 168MHz and delivers up to 210 DMIPS performance according to ST’s STM32F407 family documentation. 

Benefits:

• Handles complex embedded firmware
• Supports real-time industrial control tasks
• Suitable for communication gateways and data processing
• Provides strong performance for mid-to-high-end MCU applications

3. 512KB Flash and 192KB SRAM

The exact STM32F407VET6 part is listed with 512KB Flash and 192KB SRAM. 

Benefits:

• Enough memory for RTOS-based applications
• Suitable for USB, Ethernet, and communication stacks
• Supports complex control firmware
• Provides working RAM for buffers, protocol handling, and data processing

4. ART Accelerator for Flash Execution

ST highlights the Adaptive Real-Time Accelerator / ART Accelerator, which allows efficient execution from Flash memory with reduced wait-state impact. 

Benefits:

• Improves code execution performance
• Helps maintain high CPU throughput
• Useful for real-time embedded applications
• Reduces performance penalty when running code from internal Flash

5. Rich Communication Interfaces

The STM32F407 family includes a broad set of communication peripherals such as USART/UART, SPI, I²C, I²S, CAN, USB OTG FS/HS, Ethernet, and SDIO/MMC. 

Benefits:

• Suitable for connected embedded products
• Supports industrial communication and field interfaces
• Enables USB and Ethernet-enabled designs
• Useful for data logging, control, and gateway applications

6. Analog and Mixed-Signal Capability

DigiKey lists the STM32F407VET6 with A/D 16 × 12-bit and D/A 2 × 12-bit data converters. 

Benefits:

• Supports sensor acquisition
• Enables analog control loops
• Useful for motor control and instrumentation
• Reduces need for external ADC/DAC components in many designs

7. DSP Instructions and FPU for Signal Processing

The Cortex-M4 core includes DSP instructions and a single-precision FPU, which ST specifically identifies in the STM32F407 family. 

Benefits:

• Suitable for audio processing
• Useful for vibration and sensor signal analysis
• Supports digital filters and control algorithms
• Enables more efficient real-time mathematical processing

8. LQFP-100 Package

The STM32F407VET6 is supplied in a 100-pin LQFP package. DigiKey lists the package as 100-LQFP, and RS lists it as a 100-pin LQFP device. 

Benefits:

• Easier PCB assembly than BGA packages
• Suitable for industrial and embedded boards
• Good balance of I/O count and manufacturability
• Practical for prototyping, debugging, and production

Applications

Industrial Control

• PLC controllers
• Factory automation systems
• Machine control boards
• Industrial gateways
• Sensor and actuator control modules

Motor Control

• BLDC motor controllers
• Servo control systems
• Fan and pump control
• PWM-based power control
• Robotics motion control

Communication and Gateway Systems

• Ethernet-enabled controllers
• CAN bus gateways
• USB communication devices
• Industrial data loggers
• Protocol conversion modules

Audio and Signal Processing

• Digital audio processing
• I²S audio systems
• Signal filtering
• Data acquisition
• Embedded DSP applications

Human-Machine Interface and Embedded Computing

• HMI panels
• Touch display controllers
• Embedded Linux companion controllers
• Portable instruments
• Smart equipment controllers