• STM32F405RGT6 LQFP-64
  • STM32F405RGT6


MCU 32-bit ARM Cortex M4 RISC 1MB Flash 2.5V/3.3V 64-Pin LQFP Tray

Quantity Unit Price(USD) Ext. Price
1 $4.802 $4.80
10 $4.248 $42.48
30 $3.966 $118.98
100 $3.587 $358.70
500 $3.450 $1,725.00
1000 $3.392 $3,392.00


*The price is for reference only.
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Overview of STM32F405RGT6

The STM32F405RGT6 is a high-performance Arm Cortex-M4 microcontroller with floating-point unit (FPU) and DSP instructions. It features a 32-bit core running at up to 168 MHz, offering a balance between power consumption and processing speed, making it suitable for a wide range of embedded applications.


(Note: The pin configuration below is a general representation. Refer to the specific datasheet for precise details.)

  • VDDA: Analog Power Supply
  • VSSA: Analog Ground
  • VDD: Digital Power Supply
  • VSS: Digital Ground
  • VBAT: Backup Battery Input
  • NRST: Reset Pin
  • PAx: General-Purpose I/O Pins
  • PBx: General-Purpose I/O Pins
  • PCx: General-Purpose I/O Pins
  • PEx: General-Purpose I/O Pins
  • PFx: General-Purpose I/O Pins
  • MCO: Microcontroller Clock Output
  • BOOTx: Boot Configuration Pins
  • OSC: Oscillator Input
  • USB_DP/DM: USB Differential Data Pins

Circuit Diagram

Include a circuit diagram illustrating the connections and operation of the STM32F405RGT6 microcontroller for visual reference.

Key Features

  • Arm Cortex-M4 Core: Features a high-performance 32-bit Arm Cortex-M4 core with FPU and DSP instructions for efficient signal processing.
  • Integrated Peripherals: Includes various peripherals such as USB, UART, SPI, I2C, ADC, and more for versatile connectivity and control options.
  • High-Speed Clock: Operates at speeds of up to 168 MHz, enabling rapid data processing and real-time performance.
  • Rich Development Ecosystem: Supported by a comprehensive development ecosystem with software tools, libraries, and community resources for ease of programming and debugging.
  • Low Power Consumption: Offers low power modes and features for energy-efficient operation in battery-powered applications.

Note: For detailed technical specifications, please refer to the STM32F405RGT6 datasheet.


  • Embedded Systems: Ideal for a wide range of embedded applications including IoT devices, industrial automation, consumer electronics, and more.
  • Signal Processing: Suitable for applications requiring DSP capabilities such as audio processing, motor control, and sensor fusion.
  • Communications: Used in communication systems, networking devices, and connectivity solutions that demand reliable and high-speed data processing.


The STM32F405RGT6 microcontroller provides a powerful and versatile computing platform for embedded systems, offering high performance, connectivity options, and energy efficiency for diverse applications.

Usage Guide

  • Power Supply: Connect VDD (Pin 28) and VDDA (Pin 13) to the respective power supplies, and connect VSS (Pin 27) and VSSA (Pin 14) to the ground.
  • Peripheral Connections: Utilize the GPIO pins and various peripheral pins based on the required functionality and interface requirements.
  • Boot Configuration: Configure the BOOT pins to select the boot mode of the microcontroller during startup.

Frequently Asked Questions

Q: Can the STM32F405RGT6 operate without an external crystal?
A: Yes, the STM32F405RGT6 has an internal RC oscillator that can be used for basic operations without an external crystal.

Q: Is the STM32F405RGT6 compatible with Arduino IDE for programming?
A: Yes, there are Arduino-compatible libraries and support for programming the STM32F405RGT6 using the Arduino IDE.


For similar functionalities, consider these alternatives to the STM32F405RGT6:

  • STM32F407VGT6: A slightly higher-end version with additional features and capabilities for more demanding applications.
  • STM32F303CCT6: This microcontroller offers a similar core with different peripheral configurations, suitable for specific application requirements.


The followings are basic parameters of the part selected concerning the characteristics of the part and categories it belongs to.

Supply Voltage Min Volt 1.8 Supply Voltage Max Volt 3.6
Operating Temp Min Celsius -40.0 Operating Temp Max Celsius 85.0
Core Arm Cortex-M4 ECCN US 3A991.a.2
ECCN EU NEC Packing Type Tray
RoHs compliant Ecopack2 Grade Industrial
Package Name LQFP 64 10x10x1.4 mm

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