STM32F405RGT6: Overview,Specifications,Main uses,Features,application fields,working principle and alternative models


STM32F405RGT6 Overview:

The STM32F405RGT6 is a microcontroller unit (MCU) from STMicroelectronics featuring a powerful ARM Cortex-M4 core. This MCU is part of the STM32F4 series, known for its high performance and extensive feature set. Here's an overview of the STM32F405RGT6 covering specifications, main uses, features, application fields, working principle, and alternative models:



  • Core: ARM Cortex-M4
  • Clock Speed: Up to 168 MHz
  • Flash Memory: 1 MB
  • SRAM: 192 KB
  • Operating Voltage: 1.8V to 3.6V
  • I/O Pins: 114
  • Interfaces: USB, UART, SPI, I2C, ADC, DAC, CAN, Ethernet
  • Package: LQFP-64

Main Uses:

  • Embedded Systems: Suitable for a wide range of embedded applications.
  • IoT Devices: Used in Internet of Things (IoT) projects.
  • Industrial Automation: Common in industrial control and monitoring systems.
  • Consumer Electronics: Applied in various consumer electronic devices.
  • DataSheet

    STM32F405RGT6 PDF


  • High-Performance Cortex-M4 Core: Offers DSP and FPU capabilities for efficient processing.
  • Rich Peripheral Set: Supports various communication interfaces and peripherals for versatile applications.
  • Extensive Memory: Provides ample Flash and SRAM for program and data storage.
  • Low Power Modes: Includes features for efficient power management.
  • Advanced Connectivity: Supports USB, Ethernet, CAN, and other interfaces for connectivity options.

Application Fields:

  • Automotive Systems: Used in automotive control units and infotainment systems.
  • Medical Devices: Employed in medical equipment and diagnostics.
  • Smart Energy: Utilized in smart metering and energy management systems.
  • Telecommunications: Applied in networking equipment and communication devices.

Working Principle:

  • The STM32F405RGT6 operates based on ARM Cortex-M4 core architecture.
  • It executes program instructions stored in its Flash memory.
  • Interaction with external devices occurs via the MCU's I/O pins and communication interfaces.
  • Integrated peripherals assist in tasks such as data conversion, communication, and timing operations.

Alternative Models:

  • STM32F407xx: Variants with additional features and memory options.
  • STM32F401xx: Lower-cost alternatives with similar core features.
  • STM32F429xx: Enhanced versions with larger displays and additional connectivity options.


  • The STM32F405RGT6 is a popular choice for projects requiring high-performance processing capabilities and a rich set of peripherals.
  • Consider the specific requirements of your application when selecting an alternative model to ensure compatibility and feature coverage.

The STM32F405RGT6 MCU from STMicroelectronics is a versatile microcontroller with a powerful Cortex-M4 core and extensive peripheral set, suitable for a broad range of embedded applications. Its high-performance features, rich connectivity options, and efficient power management capabilities make it well-suited for IoT projects, industrial applications, consumer electronics, and more.