The STM32F446VET6 is a versatile and high-performance microcontroller, ideal for a wide range of embedded applications that require fast processing, low power consumption, and robust connectivity. Common use cases include:

• Industrial control systems
• Consumer electronics
• Motor control
• Audio applications
• Advanced communication systems
• Real-time data acquisition and processing
• Automotive and IoT applications

• Core:

  • Arm® Cortex®-M4 32-bit CPU with Floating Point Unit (FPU)
  • Adaptive Real-Time (ART) Accelerator for 0-wait state execution from Flash memory
  • Frequency up to 180 MHz
  • 225 DMIPS / 1.25 DMIPS/MHz (Dhrystone 2.1)
  • Memory Protection Unit (MPU) for enhanced security
  • Full DSP instructions for optimized signal processing

• Memory:

  • 512 KB of Flash memory
  • 128 KB of SRAM
  • Flexible external memory controller supporting up to 16-bit data bus: SRAM, PSRAM, SDRAM, NOR/NAND Flash memory
  • Dual-mode QuadSPI interface for high-speed external memory access

• Analog Peripherals:

  • 3 × 12-bit, 2.4 MSPS ADCs (Analog-to-Digital Converters) with up to 24 channels
  • 7.2 MSPS in triple interleaved mode for high-speed data acquisition
  • 2 × 12-bit DACs (Digital-to-Analog Converters)
  • General-purpose DMA with 16 streams, FIFO support, and burst transfers

• Timers and Control:

  • Up to 17 timers, including:
    • Two watchdog timers
    • One SysTick timer
    • Up to twelve 16-bit timers and two 32-bit timers (each with up to 4 IC/OC/PWM or pulse counters)
  • Quadrature (incremental) encoder inputs for motor control
  • Multiple low-power modes: Sleep, Stop, and Standby
  • VBAT supply for RTC and backup registers, with optional 4 KB backup SRAM

• Clock and Power Management:

  • Operating voltage: 1.7 V to 3.6 V
  • Integrated power management with POR, PDR, PVD, and BOR
  • 4-to-26 MHz crystal oscillator
  • Internal 16 MHz factory-trimmed RC oscillator with 1% accuracy
  • 32 kHz oscillator for RTC with calibration
  • Internal 32 kHz RC oscillator for low-power operation

• Connectivity and I/O:

  • Up to 114 I/O ports with interrupt capability
  • Up to 111 fast I/Os running at up to 90 MHz
  • Up to 112 5 V-tolerant I/Os
  • Advanced communication interfaces, including:
    • SPDIF-Rx interface
    • Up to 4 × I2C interfaces (SMBus/PMBus)
    • Up to 4 × USARTs and 2 × UARTs (11.25 Mbit/s, ISO 7816 interface, LIN, IrDA, modem control)
    • Up to 4 × SPIs (45 Mbit/s), with 3 supporting full-duplex I2S for audio applications
    • 2 × SAI (Serial Audio Interface)
    • 2 × CAN interfaces (2.0B Active)
    • SDIO interface for high-speed data transfers
    • Consumer Electronics Control (CEC) interface

• Advanced Connectivity:

  • USB 2.0 full-speed device/host/OTG controller with on-chip PHY
  • USB 2.0 high-speed/full-speed device/host/OTG controller with dedicated DMA and ULPI
  • 8 to 14-bit parallel camera interface (up to 54 MBytes/s)
  • Dedicated USB power rail enabling on-chip PHY operation across the entire MCU power supply range

• Debug and Trace:

  • SWD and JTAG interfaces for efficient debugging
  • Cortex®-M4 Embedded Trace Macrocell™ for advanced program tracing

• Additional Features:

  • CRC calculation unit for error detection
  • RTC with subsecond accuracy and hardware calendar
  • 96-bit unique device ID for security and identification

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