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STM32F407VET6 Microcontroller: Symbol, Features, Working Principle

31 October 2023


Ⅰ. What is STM32F407VET6 microcontroller?

Ⅱ. Symbol, footprint and pin configuration of STM32F407VET6 microcontroller

Ⅲ. Technical parameters of STM32F407VET6 microcontroller

Ⅳ. Features of STM32F407VET6 microcontroller

Ⅴ. Dimension and package of STM32F407VET6 microcontroller

Ⅵ. Working principle of STM32F407VET6 microcontroller

Ⅶ.Applications of STM32F407VET6 microcontroller



Ⅰ. What is STM32F407VET6 microcontroller?


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STM32F407VET6 is a 32-bit ARM Cortex-M4 microcontroller manufactured by STMicroelectronics. Designed for robust performance in varying environmental conditions, it boasts a wide operating temperature range from -40℃ to 85℃. This microcontroller exhibits flexibility in its voltage requirements, operating effectively within a range of 2.0 to 3.6 volts. Built upon the Cortex-M4 core, this device operates at a maximum frequency of 168MHz and features 1MB of flash memory. It offers high performance, low power consumption, and a plethora of peripheral interfaces, making it a promising candidate for applications in the Internet of Things, automotive, home appliances, industrial control, and computer-based systems, among others.


Replacements and equivalents:

• STM32F407VET6TR

• STM32F407VET6XXX

• STM32F407VET7TR



Ⅱ. Symbol, footprint and pin configuration of STM32F407VET6 microcontroller


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Ⅲ. Technical parameters of STM32F407VET6 microcontroller


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Ⅳ. Features of STM32F407VET6 microcontroller


1. It has various peripheral interfaces such as SPI, I2C, USART, CAN, USB and ADC.


2. It has built-in various types of memory such as RAM, EEPROM, Flash and RTC-backup register, and the device provides powerful storage capabilities.


3. STM32F407VET6 uses 32-bit ARM Cortex-M4 as the core, with superior performance and high cost performance. The system not only supports floating point calculations, but also has the function of a DSP chip, which is suitable for complex control algorithms and digital signal processing.


4. It has a complete interrupt processing system with 16 built-in external interrupts and 2 built-in interrupts, which can efficiently respond to various interrupt events.


5. The STM32F407VET6 microcontroller has multiple clock sources and reset mechanisms, including LSE (low-speed external clock), LSI (low-speed internal clock), HSI (high-speed internal clock) and HSE (high-speed external clock). These clock sources and reset mechanisms can meet a variety of application requirements.



Ⅴ. Dimension and package of STM32F407VET6 microcontroller


The STM32F407VET6 microcontroller is 14.2 mm long, 14.2 mm wide, and 1.45 mm high. It is packaged in LQFP and tray respectively.


* QFP is the abbreviation of Quad Flat Package. When a QFP packaged chip is installed on a PCB (Printed Circuit Board), its pins spread out from the four sides of the chip to form a four-row pin arrangement. LQFP can be applied to integrated circuits of various sizes and pin counts, such as 32-pin, 48-pin, 64-pin, etc. Package shape and pin count can be flexibly adjusted according to the needs of specific applications.


LQFP packaging is widely used in consumer electronics and communication devices. It has the characteristics of small size, few pins, excellent thermal coupling and high integration. In addition, LQFP packaging can be automated welding and assembly through surface mount technology (SMT), which greatly improves work efficiency.



Ⅵ. Working principle of STM32F407VET6 microcontroller


The STM32F407VET6 microcontroller realizes various input or output operations and peripheral control by reading and executing instructions in the program memory. Its internal cache and memory management unit can improve program execution efficiency and data processing speed. In addition, this chip also has a variety of low-power modes, which is very suitable for long-term operation or use in battery-powered devices.


In addition, it has a crypto or hash processor that can accelerate the processing of encryption algorithms such as AES 128, 192, 256, Triple DES and hash, which greatly improves data security and processing speed. In addition, it has a true random number generator that can generate high-security random numbers, which is very important for many encryption applications.



Ⅶ. Applications of STM32F407VET6 microcontroller


1. Smart door lock


Smart door lock brand Tongxinda's door lock controller uses STM32F407VET6, which supports multiple unlocking methods such as password, fingerprint, and mobile phone Bluetooth. The security features of this microcontroller enable TTLock door locks to achieve tighter identity authentication and confidentiality protection.


2. Smart trash can


Canary Labs, a well-known smart trash can brand in North America, uses STM32F407VET6 as the control chip of the trash can. This trash can supports a variety of smart functions, including automatic lid opening, human body sensing, light sensing triggering, etc. Its high performance and low power consumption provide Canary Labs smart trash cans with powerful processing and energy management capabilities.


3. Underwater robot


The underwater robot developed by the leading marine technology laboratory of the ETH Zurich uses STM32F407VET6 as the control core. The robot is designed for a variety of tasks including marine scientific research and environmental monitoring, underwater detection and maintenance.


In addition, it can be used in a variety of fields such as drones, communication equipment, medical equipment, industrial automation, military equipment and so on.



Frequently Asked Questions


1. How much Flash memory does the STM32F407VET6 have?


High-performance foundation line, Arm Cortex-M4 core with DSP and FPU, 1 Mbyte of Flash memory, 168 MHz CPU, ART Accelerator, Ethernet, FSMC.


2. How much RAM does STM32F407 have?


It's based on the ARM Cortex M4 design with hardware floating point. maximum clock speed up to 168 MHz, with built-in 16 MHz RC clock. 512.. 1024 KBytes of flash memory and 196 KBytes of RAM.


3. What is the STM32F407VET6 microcontroller?


The STM32F407VET6 is a microcontroller from STMicroelectronics' STM32F4 series. It is based on the ARM Cortex-M4 core and offers a wide range of features for embedded systems development.


4. What is STM32F407?


The STM32F407/417 lines are designed for medical, industrial and consumer applications where the high level of integration and performance, embedded memories and rich peripheral set inside packages as small as 10 x 10 mm are required.


5. What communication interfaces are available on the STM32F407VET6?


The microcontroller supports multiple communication interfaces, including USART, SPI, I2C, CAN, USB, and more, making it suitable for a wide range of applications.