Overview
The STM32F405RGT6W, produced by STMicroelectronics, is a high-performance microcontroller belonging to the STM32F405xx family. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at frequencies up to 168 MHz. The Cortex-M4 core includes a floating-point unit (FPU) that supports all Arm single-precision data-processing instructions and data types, as well as a full set of DSP instructions and a memory protection unit (MPU) for enhanced application security.
This microcontroller features high-speed embedded memories, including up to 1 Mbyte of flash memory, up to 192 Kbytes of SRAM, and up to 4 Kbytes of backup SRAM. It also includes an extensive range of enhanced I/Os and peripherals connected to multiple buses.
Key Specifications
| Parameter | Specification |
|---|---|
| Core | Arm® 32-bit Cortex®-M4 CPU with FPU |
| Operating Frequency | Up to 168 MHz |
| Flash Memory | Up to 1 Mbyte |
| SRAM | Up to 192 Kbytes + 4 Kbytes of backup SRAM |
| ADCs | Three 12-bit ADCs, up to 24 channels |
| DACs | Two 12-bit DACs |
| Timers | 12 general-purpose 16-bit timers, 2 general-purpose 32-bit timers |
| Communication Interfaces | 2 UARTs, 4 USARTs, 3 SPIs, 2 I2S, 2 CAN 2.0 |
| Operating Voltage | 1.8 - 3.6V |
| RTC | Low-power RTC with 32 kHz oscillator and calibration |
| USB | USB 2.0 full-speed device/host/OTG controller with on-chip PHY |
Key Features
- Arm 32-bit Cortex-M4 CPU with FPU and adaptive real-time accelerator (ART Accelerator)
- High-speed embedded memories: up to 1 Mbyte of flash memory, up to 192 Kbytes of SRAM, and up to 4 Kbytes of backup SRAM
- Three 12-bit ADCs and two 12-bit DACs
- Twelve general-purpose 16-bit timers and two general-purpose 32-bit timers, including two PWM timers for motor control
- True random number generator (RNG)
- Standard and advanced communication interfaces: UART, USART, SPI, I2S, CAN 2.0
- USB 2.0 full-speed device/host/OTG controller with on-chip PHY
- Serial wire debug (SWD) and JTAG
- Internal 16 MHz factory-trimmed RC (1% accuracy) and 32 kHz oscillator for RTC with calibration
Applications
The STM32F405RGT6W is suitable for a wide range of applications that require high performance, low power consumption, and advanced peripherals. These include:
- Industrial automation and control systems
- Medical devices and healthcare equipment
- Aerospace and defense systems
- Automotive systems, including infotainment and driver assistance
- Consumer electronics, such as smart home devices and wearables
- IoT devices and smart sensors
Q & A
- What is the core architecture of the STM32F405RGT6W?
The STM32F405RGT6W is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU).
- What is the maximum operating frequency of the STM32F405RGT6W?
The maximum operating frequency is up to 168 MHz.
- How much flash and SRAM memory does the STM32F405RGT6W have?
It has up to 1 Mbyte of flash memory and up to 192 Kbytes of SRAM, plus up to 4 Kbytes of backup SRAM.
- What types of ADCs and DACs are available on the STM32F405RGT6W?
It features three 12-bit ADCs and two 12-bit DACs.
- What communication interfaces are supported by the STM32F405RGT6W?
It supports UART, USART, SPI, I2S, CAN 2.0, and USB 2.0 full-speed device/host/OTG.
- Does the STM32F405RGT6W have any specific timers for motor control?
Yes, it includes two PWM timers for motor control among its 12 general-purpose 16-bit timers and two general-purpose 32-bit timers.
- What is the operating voltage range of the STM32F405RGT6W?
The operating voltage range is 1.8 - 3.6V.
- Does the STM32F405RGT6W support real-time clock functionality?
Yes, it includes a low-power RTC with a 32 kHz oscillator and calibration.
- What debug interfaces are available on the STM32F405RGT6W?
It supports serial wire debug (SWD) and JTAG.
- What are some typical applications for the STM32F405RGT6W?
It is suitable for industrial automation, medical devices, aerospace, automotive systems, consumer electronics, and IoT devices.
