The STM32F405RGT6 from STMicroelectronics is a high-performance 32-bit Arm Cortex-M4 microcontroller operating at up to 168MHz. The Cortex-M4 core integrates a single-precision FPU, DSP instruction set and MPU, while ST’s ART Accelerator improves execution performance from embedded Flash memory.
The device provides 1MB of Flash memory and 192KB of SRAM, including 64KB of core-coupled memory (CCM). It also supports up to 4KB of backup SRAM and includes 512 bytes of OTP memory, providing substantial memory resources for real-time control, communications and embedded processing.
Analog peripherals include three 12-bit ADCs operating at up to 2.4MSPS each, with up to 7.2MSPS performance in triple-interleaved mode. The exact STM32F405RG configuration provides up to 16 ADC channels and includes two 12-bit DAC channels.
Communication interfaces include three I²C ports, three SPI ports, two I²S interfaces, four USARTs, two UARTs, two CAN 2.0B interfaces and SDIO. SPI operation supports rates up to approximately 42Mbit/s, while the serial interfaces support multiple industrial and embedded communication modes.
USB connectivity includes a USB 2.0 Full-Speed Device/Host/OTG controller and a USB 2.0 High-Speed/Full-Speed Device/Host/OTG controller with dedicated DMA. High-speed operation can use an external PHY through the ULPI interface.
Timer resources include up to twelve 16-bit timers and two 32-bit timers, together with PWM and control-oriented timer functions. Additional integrated features include a 16-stream DMA controller, RTC, CRC unit, true random-number generator, 96-bit unique ID, SWD and JTAG debugging.
The MCU operates from 1.8V to 3.6V and supports Sleep, Stop and Standby low-power modes. The exact RG configuration provides 51 high-current I/Os.
The exact STM32F405RGT6 is supplied in a 64-pin LQFP package measuring 10 × 10 × 1.4mm. It is an Industrial Grade device specified for -40°C to +85°C operation, with standard tray packaging and ECOPACK2/RoHS compliance. ST currently lists STM32F405RGT6 as Active and in volume production.
Key Specifications:
- Brand: STMicroelectronics
- Part Number: STM32F405RGT6
- Family: STM32F4 / STM32F405
- Product Type: 32-Bit Microcontroller
- CPU Core: Arm Cortex-M4
- Maximum CPU Frequency: 168MHz
- FPU: Single Precision
- DSP Instructions: Supported
- MPU: Supported
- ART Accelerator: Yes
- Flash Memory: 1MB
- SRAM: 192KB
- CCM RAM: 64KB
- Backup SRAM: Up to 4KB
- OTP Memory: 512 Bytes
- Supply Voltage: 1.8V to 3.6V
- ADC: 3 × 12-Bit
- ADC Speed: Up to 2.4MSPS Each
- Triple-Interleaved ADC: Up to 7.2MSPS
- ADC Channels: 16 on RG Device
- DAC: 2 × 12-Bit
- DMA: 16 Streams
- I²C: 3
- SPI: 3
- I²S: 2
- USART: 4
- UART: 2
- CAN 2.0B: 2
- SDIO: 1
- USB OTG FS: 1
- USB OTG HS: 1
- 16-Bit Timers: 12
- 32-Bit Timers: 2
- True RNG: Yes
- RTC: Yes
- CRC Unit: Yes
- Unique ID: 96-Bit
- Debug Interfaces: SWD / JTAG
- High-Current I/Os: 51
- Low-Power Modes: Sleep / Stop / Standby
- Operating Temperature: -40°C to +85°C
- Grade: Industrial
- Package: LQFP-64
- Package Dimensions: 10 × 10 × 1.4mm
- Packing Type: Tray
- RoHS Grade: ECOPACK2
- Product Status: Active / Volume Production.
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