STM32 Architecture | STM32 Microcontroller | STM32 Fundamentals | STM32
The STM32F411 belongs to the STMicroelectronics "Dynamic Efficiency" line of 32-bit microcontrollers. Powered by an ARM Cortex-M4 core running up to 100 MHz, it balances high performance with low power consumption. It features an integrated Floating Point Unit (FPU) and Digital Signal Processing (DSP) instructions.
Core Technical Specifications:-
Core Processor: 32-bit ARM Cortex-M4 with single-precision FPU.
Maximum Clock Frequency: 100 MHz (delivering up to 125 DMIPS).
Memory Capacity: Up to 512 KB of Flash memory and 128 KB of SRAM.
Operating Voltage Range: 1.7V to 3.6V.Advanced Low-Power Modes:
Includes Batch Acquisition Mode (BAM) to store data directly in RAM via DMA while the core sleeps.
Analog Interfaces: 1x 12-bit Analog-to-Digital Converter (ADC) multiplexed up to 10 channels.
Timers: Up to 11 timers, including six 16-bit timers, two 32-bit timers, and watchdog variants.
Serial Protocols: Up to 3x I2C interfaces, 3x USARTs, and up to 5x SPI/I2S channels for audio applications.
USB Integration: 1x USB 2.0 Full-Speed OTG (On-The-Go) controller with on-chip physical layer (PHY).
Storage Interface: 1x SDIO interface for SD, MMC, and eMMC cards.
NUCLEO-F411RE Evaluation Board: An official prototyping board from STMicroelectronics showcasing the STM32F411RE. It features Arduino Uno V3 extension headers and an embedded ST-LINK debugger.
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