STM32F405RGT6 is a 32-bit ARM Cortex-M4 core microcontroller (MCU) manufactured by STMicroelectronics (ST), belonging to the high-performance STM32F4 series.

II. Core Functions

It is a high-speed single-chip microcomputer equipped with hardware FPU and DSP instructions, focusing on real-time control and digital signal processing, and applicable to complex algorithm operation.

Core Specifications

• Core: ARM Cortex-M4 @ 168 MHz, supporting single-precision FPU and DSP instruction set

• Memory: 1 MB Flash, 192 KB SRAM, 4 KB backup SRAM

• Package: LQFP-64; Industrial temperature range: -40℃ ~ 85℃

Main Capabilities

• Real-time control: Motor PID, drone attitude control, PLC, industrial automation

• Signal processing: Audio filtering, FFT calculation, IMU/magnetometer sensor fusion, vibration analysis

• Human-machine interface: LCD & touch screen, serial port & USB communication, data acquisition recorder

• Security & encryption: RNG random number generator, MPU memory protection, encryption protocol support

III. Application Scope

1. Industrial ControlServo & stepper motor controller, frequency converter, motion control board;PLC, data collector, industrial gateway, Modbus/TCP devices;Oscilloscope, spectrum analyzer, high-precision sensor transmitter module.

2. UAV & RoboticsMultirotor flight controller, robot joint controller, AGV trolley, robotic arm motion controller.

3. Audio & MultimediaProfessional audio processor, sound effect device, active speaker, voice recorder;Speech recognition & synthesis, Bluetooth audio main controller.

4. Consumer Electronics & IoTSmart home gateway, intelligent control panel, HVAC control board;Portable medical monitor, analytical instrument, rehabilitation equipment;Inverter home appliances, smart kitchen devices.

5. Automotive & New EnergyVehicle central control, BMS battery management system, OBD diagnostic device, charging pile control board.

IV. Summary

STM32F405RGT6 features 168MHz M4 core with FPU and DSP, 1MB Flash and 64-pin LQFP package. It is a cost-effective high-performance mainstream MCU for industrial control, motor drive, UAV and audio processing.