The STM32F401RCT6 devices are based on the high-performance Arm® Cortex® -M4 32-bit RISC core operating at a frequency of up to 84 MHz. The Cortex®-M4 core features a Floating point unit (FPU) single precision which supports all Arm single-precision data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security.

• Core:

  • Arm® Cortex®-M4 32-bit CPU with FPU (Floating Point Unit)
  • Adaptive Real-Time (ART) Accelerator™ for 0-wait state execution from Flash memory
  • Maximum frequency of up to 84 MHz
  • Memory Protection Unit (MPU) for enhanced application security
  • DSP (Digital Signal Processing) instructions
  • 105 DMIPS (Dhrystone 2.1), 1.25 DMIPS/MHz performance

• Memory:

  • Up to 256 Kbytes of Flash memory
  • 512 bytes of OTP (One-Time Programmable) memory
  • Up to 64 Kbytes of SRAM

• Power Management:

  • Power supply voltage range: 1.7 V to 3.6 V
  • Multiple power modes for low consumption:
    • Run: 128 µA/MHz (peripherals off)
    • Stop (fast wakeup): 42 µA typ / 65 µA max @ 25°C
    • Stop (deep power-down): 10 µA typ / 28 µA max @ 25°C
    • Standby: 2.4 µA @ 1.7 V without RTC, 12 µA @ 85°C with RTC
    • VBAT supply for RTC: 1 µA @ 25°C

• Clock Management:

  • 4 to 26 MHz crystal oscillator
  • 16 MHz factory-trimmed internal RC oscillator
  • 32 kHz oscillator for RTC with calibration
  • Internal 32 kHz RC with calibration

• Analog Peripherals:

  • 1 × 12-bit, 2.4 MSPS ADC with up to 16 channels
  • General-purpose DMA controller with 16 streams and FIFO support

• Timers:

  • Up to 11 timers:
    • Six 16-bit timers and two 32-bit timers with up to 4 IC/OC/PWM or pulse counters
    • Two watchdog timers (independent and window)
    • SysTick timer: 24-bit down counter

• I/O and Communication:

  • Up to 81 I/O ports with interrupt capability, 5 V tolerant
  • Up to 78 fast I/Os running at up to 42 MHz
  • Up to 11 communication interfaces:
    • Three I2C interfaces (up to 1 Mbit/s, SMBus/PMBus)
    • Three USARTs (2 × 10.5 Mbit/s, 1 × 5.25 Mbit/s), with support for ISO 7816, LIN, IrDA, and modem control
    • Four SPIs (up to 42 Mbit/s) with full-duplex I2S for audio applications
    • SDIO interface for high-speed memory cards

• Debugging and Trace:

  • Serial wire debug (SWD) and JTAG interfaces
  • Embedded Trace Macrocell™ for advanced debugging

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