STM32F405RGT6

Introduction

Key Features

Core & Performance

• 32-bit Arm® Cortex®-M4 core with single-precision FPU, MPU, and DSP instructionsSTMicroelectronics
• 168 MHz maximum frequency, 210 DMIPS computational powerSTMicroelectronics
• ST ART Accelerator: 0-wait state execution from flash memory for optimized performanceSTMicroelectronics
• Dynamic power scaling: Reduces current consumption in run mode based on processing needs

Memory Configuration

• 1MB Flash memory: Supports read-while-write, sector erase, and security protectionSTMicroelectronics
• 196KB RAM: 192KB user SRAM (including 64KB of data TCM for critical data) + 4KB backup SRAMSTMicroelectronics
• Flexible external memory interface (FMC): Supports SRAM, PSRAM, NOR/NAND flash
• Memory protection unit (MPU): Enhances system security by defining memory access permissionsSTMicroelectronics

Connectivity & Peripherals

• 51 general-purpose I/O pins: 5V tolerant, with interrupt capability and flexible pin mapping
• Communication interfaces: 3×USART/UART, 3×SPI (up to 42 MHz), 2×I²C, 2×CAN, 1×USB OTG FS (with embedded PHY), 1×I²S, IrDA support 
• Analog peripherals: 3×12-bit ADC (up to 2.4 MSPS, 16 channels), 2×12-bit DAC, 2×ultra-low power comparators 
• Timers: 17 timers total including 1×advanced control timer (up to 168 MHz), 8×general-purpose timers, 2×basic timers, 2×watchdog timers, 1×SysTick timer, 2×real-time counters (RTC) 
• DMA controllers: 2×DMA with 12 streams each to offload CPU and improve system throughput 
• Camera interface: Supports 8/10/12-bit parallel camera sensors for embedded vision applications 
• CRC calculation unit: For data integrity verification and error detection 

Power & Packaging

• Wide voltage range: 1.8V to 3.6V (core: 1.2V, I/O: 2.5V/3.3V)
• Multiple low-power modes: Sleep, Stop (1.8µA typ.), Standby (2.4µA typ.), and Shutdown for optimized energy efficiency 
• 64-pin LQFP (10×10mm) package with 0.5mm pitch for compact PCB design
• Industrial temperature range: -40°C to +85°C for harsh environment operation 
• RoHS compliant and lead-free packaging for environmental protection

Additional Features

• Real-time clock (RTC): With calendar function and battery backup support for time-of-use applications 
• Hardware watchdog timer: Ensures system reliability and recovery from faults 
• Power-fail comparator: Monitors power supply and triggers appropriate system responses 
• Debugging interfaces: JTAG and SWD (Serial Wire Debug) for easy development and debugging
• Bootloader: Supports in-system programming (ISP) and in-application programming (IAP) for firmware updatesSTMicroelectronics

Typical Applications

• Industrial automation controllers and PLCs requiring high computational power and real-time response
• IoT gateways and edge computing nodes with multiple connectivity options (USB, CAN, UART)
• Human-machine interface (HMI) systems with LCD control and touch functionality
• Motor control applications: AC/DC motor drives, servo systems, and robotics leveraging advanced timers
• Medical devices (portable diagnostics, patient monitoring) needing precise analog measurements and low power consumption
• Communication equipment (modems, routers) requiring fast data processing and multiple communication interfaces
• Embedded vision systems and image processing modules using camera interface and DSP capabilities 
• Battery-powered portable devices needing optimized power consumption and high performance
• Smart home automation systems and building control networks requiring reliable connectivity and control
• Automotive electronics (body control modules, infotainment systems) with CAN bus support and robust operation
• Test and measurement equipment requiring high-speed data acquisition and processing