STM32F205 Microcontroller


STM32F205 Introduction

The STM32F205 series MCU offers advanced performance and versatility for a wide range of applications. With a powerful ARM Cortex-M3 core, it delivers high processing speed and efficient power consumption. It supports a variety of interfaces, including USB, Ethernet, CAN, and SPI, making it ideal for industrial automation, consumer electronics, and IoT devices. With its rich set of peripherals and extensive software libraries, the STM32F205 series MCU provides a complete solution for embedded systems development.

STM32F205 Features

  • Based on the ARM Cortex-M3 core
  • Up to 120 MHz of CPU frequency
  • Up to 1 MB of Flash memory for program storage
  • Up to 128 KB of SRAM for data storage
  • Wide input voltage from 1.65 to 3.6 V
  • 3× 12-bit ADC and 2 × 12-bit DAC
  • Comes with a flexible interrupt controller
  • Supports various power-saving modes, (sleep, stop, and standby modes)
  • Includes an integrated real-time clock (RTC) and a watchdog timer
  • Wide range of peripherals(timers, GPIOs, UARTs, SPIs, I2Cs, and USB interfaces.)
  • Supports different package options (LQFP, BGA, and TFBGA)

STM32F205 Block Diagram

STM32F205 block diagram
STM32F205 block diagram

STM32F205 Pinout

STM32F205 LQFP64 pinout
STM32F205 LQFP64 pinout


The STM32F205RGT7 is based on the high-performance ARM® Cortex®-M32-bit RISC core and operates at up to 120MHz. This model includes high-speed embedded memory (up to 1MB of Flash, up to 128KB of system SRAM), up to 4KB of backup SRAM, and a range of enhanced I/O and peripherals. It is also equipped with the Adaptive Real-Time Memory Accelerator (ART Accelerator™) which allows performance equivalent to 0-wait-state program execution from flash memory at CPU frequencies up to 120MHz. This performance has been verified with the CoreMark benchmark.

STM32F205RGT7 Specification

MicrocontrollerARM Cortex-M3
Clock Speed120 MHz
Flash Memory1 MB
Operating Voltage1.8V - 3.6V
Operating Temperature-40°C~105°C
ADC16 x 12-bit
DAC2 x 12-bit

STM32F205RGT7 Application

  • Industrial control systems: such as controlling and monitoring industrial processes.
  • Medical devices: such as blood pressure monitors and glucose meters.
  • Consumer electronics: such as smart home devices, wearables, and audio systems.

STM32F205 ICs Unlock Support

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