Overview
The STM32F405RGT6TR is a high-performance microcontroller from STMicroelectronics, part of the STM32F405xx and STM32F407xx family. It is based on the Arm® Cortex®-M4 32-bit RISC core, operating at a frequency of 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 |
| Frequency | Up to 168 MHz |
| Flash Memory | Up to 1 Mbyte |
| SRAM | Up to 192 Kbytes + 4 Kbytes of backup SRAM |
| ADCs | 3 × 12-bit, up to 24 channels and 7.2 MSPS in triple interleaved mode |
| DACs | 2 × 12-bit |
| Timers | Up to 17 timers: 12 × 16-bit and 2 × 32-bit |
| UART/USART | Up to 4 USARTs/2 UARTs (10.5 Mbit/s) |
| SPI | Up to 3 SPIs (42 Mbits/s), 2 with muxed full-duplex I2S |
| CAN | 2 × CAN interfaces (2.0B Active) |
| USB | USB 2.0 full-speed/device/host/OTG controller with on-chip PHY |
| Ethernet | 10/100 Ethernet MAC with dedicated DMA: supports IEEE 1588v2 hardware, MII/RMII |
| I/Os | Up to 140 I/O ports with interrupt capability, up to 136 fast I/Os up to 84 MHz, up to 138 5 V-tolerant I/Os |
| Operating Temperature | -40°C to 85°C (or as specified by the specific part number) |
Key Features
- High-Performance Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator) allowing 0-wait state execution from Flash memory, and DSP instructions.
- Memory and Storage: Up to 1 Mbyte of Flash memory, up to 192 Kbytes of SRAM including 64 Kbytes of CCM (core coupled memory) data RAM, and 512 bytes of OTP memory.
- Advanced Peripherals: 3 × 12-bit ADCs, 2 × 12-bit DACs, up to 17 timers, true random number generator, and CRC calculation unit.
- Communication Interfaces: Up to 15 communication interfaces including USB 2.0 full-speed/device/host/OTG, Ethernet MAC, CAN, SPI, I2C, and USART.
- Low-Power Operation: Sleep, Stop, and Standby modes, VBAT supply for RTC, and optional 4 KB backup SRAM.
- Debug and Trace: Serial wire debug (SWD) & JTAG interfaces, Cortex-M4 Embedded Trace Macrocell.
Applications
- Industrial Automation: Motor control, industrial control systems, and automation.
- Medical Devices: Medical diagnostic equipment, patient monitoring systems, and medical imaging devices.
- Consumer Electronics: Smart home devices, audio and video equipment, and gaming consoles.
- Automotive Systems: Infotainment systems, driver assistance systems, and vehicle control units.
- IoT and Wireless Applications: IoT devices, wireless sensors, and communication modules.
Q & A
- What is the core architecture of the STM32F405RGT6TR?
The STM32F405RGT6TR is based on the Arm® 32-bit Cortex®-M4 CPU with a floating-point unit (FPU).
- What is the maximum operating frequency of the STM32F405RGT6TR?
The maximum operating frequency is up to 168 MHz.
- How much Flash and SRAM memory does the STM32F405RGT6TR have?
It has up to 1 Mbyte of Flash memory and up to 192 Kbytes of SRAM.
- What types of communication interfaces are available on the STM32F405RGT6TR?
It includes USB 2.0, Ethernet MAC, CAN, SPI, I2C, and USART interfaces.
- Does the STM32F405RGT6TR support low-power modes?
Yes, it supports Sleep, Stop, and Standby modes for low-power operation.
- What is the temperature range for the STM32F405RGT6TR?
The operating temperature range is typically -40°C to 85°C.
- How many ADCs and DACs are available on the STM32F405RGT6TR?
It features 3 × 12-bit ADCs and 2 × 12-bit DACs.
- Does the STM32F405RGT6TR have any specific timers for motor control?
Yes, it includes up to 17 timers, with some dedicated for motor control.
- What is the purpose of the ART Accelerator in the STM32F405RGT6TR?
The ART Accelerator allows 0-wait state execution from Flash memory.
- Does the STM32F405RGT6TR support Ethernet communication?
Yes, it includes a 10/100 Ethernet MAC with dedicated DMA.
