STM32F411CEU6

Introduction

Key Features

Core & Performance

• 32-bit Arm® Cortex®-M4 core with single-precision FPU, MPU, and DSP instructions
• 100 MHz maximum frequency, 125 DMIPS/339 CoreMark computational power
• ST ART Accelerator: 0-wait state execution from flash memory for optimized performance
• Memory Protection Unit (MPU): Enhances system security by defining memory access permissions
• Single-cycle DSP instructions: Support digital signal processing tasks like filtering and FFT
• Floating Point Unit (FPU): Accelerates mathematical operations for motor control and sensor processing

Memory Configuration

• 512KB on-chip Flash memory: Supports read-while-write, sector erase, and security protection
• 128KB on-chip SRAM: For data processing and temporary storage
• Quad-SPI (QSPI) interface: Supports external serial Flash memory expansion for larger storage needs
• 9 backup registers: For data retention during power outagesSTMicroelectronics
• Flash memory protection: Prevents unauthorized access and modification of firmware

Connectivity & Peripherals

• 37 general-purpose I/O pins: 5V tolerant, with interrupt capability and flexible pin mapping
• Communication interfaces: 3×USART/UART (up to 12.5 Mbit/s), 3×SPI (up to 50 MHz), 3×I²C (SMBus/PMBus), 1×USB OTG FS (with embedded PHY), 1×I²S, IrDA support, LIN bus capability
• Analog peripherals: 1×12-bit ADC (up to 2.4 MSPS, 16 channels), 1×12-bit DAC, 2×ultra-low power comparatorsSTMicroelectronics
• Timers: 11 timers total including 1×advanced control timer (up to 100 MHz), 5×general-purpose timers, 2×basic timers, 2×watchdog timers, 1×SysTick timer, 1×real-time counter (RTC) with tamper detectionSTMicroelectronics
• DMA controllers: 1×DMA with 8 streams to offload CPU and improve system throughputSTMicroelectronics
• Memory interface: Supports MMC/SD/SDIO for memory card connectivity
• CRC calculation unit: For data integrity verification and error detectionSTMicroelectronics
• True random number generator (TRNG): For secure data encryption and authenticationSTMicroelectronics

Power & Packaging

• Wide voltage range: 1.7V to 3.6V for flexible power supply design
• Multiple low-power modes: Sleep, Stop (2.8µA typ.), Standby (2.1µA typ.), and Shutdown for optimized energy efficiency
• 48-pin UFQFPN (7×7mm) package with exposed pad for enhanced thermal performance
• Industrial temperature range: -40°C to +85°C for reliable operation in harsh environments
• RoHS compliant: Lead-free and halogen-free packaging meeting environmental standards
• Low power consumption: 100µA/MHz in run mode, 2.8µA in Stop mode, 2.1µA in Standby mode

Additional Features

• Real-time clock (RTC): With calendar function, alarm, and battery backup support for time-of-use applicationsSTMicroelectronics
• Hardware watchdog timer: Ensures system reliability and recovery from faultsSTMicroelectronics
• Power-fail comparator: Monitors power supply and triggers appropriate system responsesSTMicroelectronics
• Debugging interfaces: JTAG and SWD (Serial Wire Debug) for easy development and debuggingSTMicroelectronics
• Bootloader: Supports in-system programming (ISP) and in-application programming (IAP) for firmware updatesSTMicroelectronics
• Timer Link feature: Allows timer synchronization or event chaining for complex timing applicationsSTMicroelectronics

Typical Applications

• Portable consumer devices: Smart wearables, fitness trackers, and portable medical monitors requiring low power consumption
• Industrial sensor nodes: IoT endpoints for environmental monitoring, predictive maintenance, and asset tracking
• Motor control applications: Small DC/BLDC motor drives, pumps, and fans leveraging advanced timers and FPU capabilities
• Audio processing: USB sound cards, portable audio players, and voice recognition systems with I²S interface support
• Human-machine interface (HMI) systems: Small LCD displays, touch panels, and control panels with rich I/O options
• Home automation devices: Smart plugs, lighting controllers, and security systems requiring connectivity and low power
• USB peripherals: Custom USB devices, data loggers, and communication adapters with USB OTG FS support
• Educational tools: Embedded development boards and prototyping platforms for learning and experimentation
• Battery-powered instruments: Portable test and measurement equipment needing optimized energy efficiency
• Small-scale industrial automation: Simple PLCs, motor control units, and sensor hubs for factory automation