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STM32F405RGT6

Manufacturer
ST
Product Number
STM32F405
Description
The STM32F405RGT6 from STMicroelectronics is a high-performance 32-bit MCU built on the ARM Cortex-M4 core. With a clock speed of up to 168 MHz
Datasheet
STM32F405RGT6.pdf
Delivery
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  • Product Overview

    The STM32F405RGT6 is a high-performance microcontroller launched by STMicroelectronics, based on the ARM Cortex-M4 core. It integrates a Floating Point Unit (FPU), with a main frequency of up to 168MHz, and is equipped with 1MB of Flash memory and 192KB of RAM. With its rich peripheral interfaces and low-power design, it is widely used in high-demand scenarios such as industrial automationconsumer electronicsmedical devices, and drone control.

    Key Features

    High-performance Processing Capability

    • The ARM Cortex-M4 core supports the DSP instruction set and hardware floating-point operations (FPU).
    • With a maximum main frequency of 168MHz, the computing performance reaches 210 DMIPS, meeting real-time control requirements.

    Abundant Peripheral Resources

    • Communication InterfacesUSB OTGdual CAN, 3xSPI, 4xUSART, 3xI2C.
    • Analog Functions: 3x12-bit ADCs (24 channels), 2x12-bit DACsgeneral-purpose timers (16-bit/32-bit).
    • Storage Expansion: Supports SDIOFSMC (for connecting external storage or LCD screens).

    High-efficiency Energy Ratio

    • Multiple low-power modes (Stop, Standby, Sleep), with a power consumption as low as 238μA/MHz in the operating mode.
    • The operating voltage range is 1.8V - 3.6V, suitable for battery-powered devices.

    Industrial-grade Reliability

    • The operating temperature range is -40°C to +85°C, meeting the requirements of industrial environments.
    • It has obtained the IEC 61508 SIL2 functional safety certification (supported by some models).

    Technical Specifications

    Parameter Specification
    Core ARM Cortex-M4 (with FPU)
    Main Frequency 168MHz
    Flash Memory 1MB
    RAM 192KB
    Communication Interfaces USB OTG/HSCAN×2SPI×3
    ADC/DAC 3×12-bit ADCs, 2×12-bit DACs
    Package LQFP64
    Operating Voltage 1.8V - 3.6V
    Temperature Range -40°C ~ +85°C
    Certification RoHSIEC 61508 SIL2

    Typical Applications

    • Industrial Control: PLC, motor drive, sensor data processing.
    • Consumer Electronics: Main control for smart home, drone flight control system.
    • Medical Devices: Portable monitors, control units for infusion pumps.
    • Communication Equipment: Gateways, Modbus protocol conversion modules.

    Why Choose STM32F405RGT6?

    • Complete Ecosystem: ST provides STM32CubeIDE, rich example programs, and hardware evaluation boards (such as Nucleo-F405RG).
    • High Expandability: Supports Ethernet and Camera interfaces (external PHY or driver chips are required).
    • Long LifecycleIndustrial-grade products are guaranteed to be stably supplied for more than 10 years.

    SUNTOP COMPANY INTRODUCTION

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  • +
    1. What are the key features of STM32F405RGT6? >
    ·Core: ARM Cortex-M4 with FPU, up to 168 MHz, delivering 210 DMIPS. ·Memory: 1 MB Flash, 192+4 KB SRAM (including 64 KB CCM RAM). ·Peripherals: USB OTG HS/FS, Ethernet MAC, 17 timers, 3×12-bit ADCs, 15 communication interfaces (SPI/I2C/USART/CAN). ·Package: LQFP64 (10×10 mm).
    +
    2. How to configure the system clock for maximum performance? >
    ·Use an external crystal (HSE) as the clock source, then use PLL to reach 168 MHz. ·Ensure correct RCC register configuration and enable the ART (Adaptive Real-Time) accelerator for zero-wait Flash access. ·Example code can be found in the datasheet Section 2.2.12: Clocks and startup.
    +
    3. How to optimize power consumption? >
    ·Low-power modes: Sleep, Stop, and Standby. ·Stop Mode: Disables the main clock but retains SRAM/register contents; wakes up via external interrupts. ·Standby Mode: Powers down the core, retains only the backup domain (RTC and backup registers); requires a reset or specific event to wake. ·Configuration details in Section 2.2.18: Low-power modes.
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