Part Number: STM32F205VET6

Manufacturer: STMicroelectronics

Description: IC MCU 32BIT 512KB FLASH 100LQFP

Shipped from: Shenzhen/HK Warehouse

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Technical Specifications of STM32F205VET6

Category Integrated Circuits (ICs)
Family Embedded – Microcontrollers
Manufacturer STMicroelectronics
Series STM32 F2
Packaging Tray
Part Status Active
Core Processor ARM? Cortex?-M3
Core Size 32-Bit
Speed 120MHz
Peripherals Brown-out Detect/Reset, DMA, I2S, LCD, POR, PWM, WDT
Number of I/O 82
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
RAM Size 132K x 8
Voltage – Supply (Vcc/Vdd) 1.8 V ~ 3.6 V
Data Converters A/D 16x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Package / Case 100-LQFP
Supplier Device Package 100-LQFP (14×14)


The STM32F205VET6 is a powerful microcontroller in the STM32F20x family. It has an Arm® Cortex®-M3 core that can run up to 120 MHz. Its adaptive real-time memory accelerator (ART AcceleratorTM) makes sure that programs run smoothly and without wait states from Flash memory. This guide goes over the STM32F205VET6’s most important features and abilities, letting you use it for high-performance apps.

STM32F205VET6 Feature Description

Core Architecture

The Arm® Cortex®-M3 core is a 32-bit RISC (Reduced Instruction Set Computing) processor that is known for its speed and efficiency. It is at the center of the STM32F205VET6 microcontroller and gives it the computing power it needs to do a wide range of jobs.

The Cortex®-M3 core is made to be simple and use as little power as possible. Its simplified instruction set and improved pipeline make it possible for instructions to be run quickly, reducing processing time and energy use. This makes it great for apps that need to respond quickly and use little power.

The Cortex®-M3 core makes a huge difference in how well the processor works. The STM32F205VET6 can do complex calculations and tasks with ease, even at its maximum operating frequency of 120 MHz, because it can follow directions quickly and well. This means faster response times, less lag when switching between tasks, and better total system performance.

ART Accelerator™ and Program Execution

The STM32F205VET6 microcontroller has a special function called the ART AcceleratorTM that dramatically speeds up program execution from Flash memory. Traditional microcontrollers frequently experience wait states when running Flash memory code, resulting in decreased performance and processing delays.

By dynamically pre-fetching and caching instructions from the Flash memory into the processor’s internal memory before they are required for execution, the ART AcceleratorTM removes these wait states. By taking proactive measures, the CPU is always guaranteed to have the relevant instructions close at hand, successfully avoiding any potential Flash memory access bottlenecks.

The ART AcceleratorTM enables the Cortex®-M3 core to work at its full potential, achieving optimal performance even at high CPU frequencies by decreasing or eliminating wait states. As a result, programs run smoothly and effectively, giving developers access to a microcontroller that can perform resource-intensive tasks with accuracy and ease.

Memory and Storage Options

With a wide range of embedded memory options, the STM32F205VET6 microcontroller has enough of room for storing programs and managing data.

Flash Memory: The microcontroller has a quick Flash memory that has a 1 Mbyte data storage capacity. Flash memory is non-volatile, so even when the power is switched off, the data is still there. Developers can store their firmware, bootloaders, and application code on it because it acts as the principal storage for the program code. The enormous storage space of up to 1 Mbyte gives programmers plenty of room to fit complicated and feature-rich applications.

System SRAM: The STM32F205VET6 incorporates up to 128 Kbytes of system SRAM (Static Random-Access Memory) in addition to Flash memory. SRAM is a type of volatile memory, meaning it needs constant power to maintain data. Variables, stack data, and other temporary data needed during program execution are stored in the system SRAM. The microcontroller can quickly read and write data thanks to its high-speed access, which facilitates effective code execution and seamless multitasking.

Role of Backup SRAM and Benefits:

Another crucial component of the STM32F205VET6 is Backup SRAM (BSRAM). Depending on the particular microcontroller model, the Backup SRAM is a small fraction of SRAM that normally ranges from a few kilobytes to a few kilobytes.

The Backup SRAM’s major objective is to add an extra level of data preservation capabilities during power-off circumstances, including system backups or when the main power supply is disrupted. In contrast to the primary SRAM, which loses data when the power is turned off, the Backup SRAM keeps its data, enabling the preservation of crucial data in power-down scenarios.

Critical data like system state, configuration settings, or user data that must be kept in the event of an unexpected power loss is frequently stored in the Backup SRAM. The system may restart operations without any interruption and without any data loss or corruption thanks to the microcontroller’s ability to access the Backup SRAM and retrieve the saved data when power is restored.

Applications where data integrity is essential, as those in industrial control systems, data loggers, or medical equipment, can benefit greatly from this capability. By implementing the Backup SRAM, programmers may give their applications a level of dependability and resilience by making sure that crucial data is protected and accessible even in the case of unplanned power outages.

Powerful Peripherals for Enhanced Functionality

The STM32F205VET6 features a sizable number of peripherals coupled to a 32-bit multi-AHB bus matrix, as well as numerous APB and AHB buses. 12 general-purpose 16-bit timers, 2 PWM timers created specifically for motor control, and 2 general-purpose 32-bit timers will all be covered. The incorporation of three 12-bit ADCs, two DACs, and a true number random generator (RNG), which are crucial components for data creation and acquisition activities, will also be explored.

Advanced Communication Interfaces

In the modern world, communication is essential, and the STM32F205VET6 ensures seamless connectivity with both conventional and cutting-edge communication interfaces. In order to facilitate effective communication and data transmission in a variety of applications, we’ll examine the capabilities of the SDIO interface, the enhanced flexible static memory control (FSMC) interface (available in packages of 100 pins and above), and the camera interface for CMOS sensors.

Low-Power Real-Time Clock (RTC)

Learn about the STM32F205VET6’s low-power RTC functionality, which offers precise timekeeping and guarantees the device can operate effectively even in low-power modes. We’ll talk about how important the RTC is for applications that need precise timing and scheduling.

Applications and Use Cases

The high-performance and feature-rich architecture of the STM32F205VET6 opens up a wide range of opportunities for applications across numerous industries. From industrial automation and motor control to data collecting, IoT devices, and beyond, we will examine potential application cases.


The STM32F205VET6 stands out as an impressive member of the STM32F20x family. It combines the power of the Arm® Cortex®-M3 core with a wide range of embedded memories, advanced peripherals, and communication interfaces. By highlighting the capabilities of this microcontroller, this guide has opened doors for engineers, developers, and enthusiasts to fully utilize its potential in their projects and applications.

Whether you’re an experienced professional or a newcomer in the field of microcontrollers, the STM32F205VET6 promises an exhilarating journey of innovation and exploration. Embrace the limitless possibilities offered by this microcontroller and unlock your project’s true potential today. Don’t miss out—order the STM32F205VET6 from ICRFQ and embark on an exciting path of discovery.

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