The STM32F427VGT6 is based on the high-performance Arm® Cortex®-M4 32-bit RISC core operating at a frequency of up to 180 MHz. The Cortex®-M4 core features a floating-point unit (FPU) single precision, which supports all Arm® singleprecision 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
  • Operating frequency up to 180 MHz
  • 225 DMIPS / 1.25 DMIPS/MHz (Dhrystone 2.1)
  • Supports DSP (Digital Signal Processing) instructions
  • Memory Protection Unit (MPU) for application security

• Memory:

  • Up to 2 MB of Flash memory (two banks with read-while-write capability)
  • Up to 256 + 4 KB of SRAM, including 64 KB of CCM (Core Coupled Memory)
  • 512 bytes of OTP (One-Time Programmable) memory
  • Flexible external memory controller supporting up to 32-bit data bus for SRAM, PSRAM, SDRAM, Compact Flash, NOR, NAND memories

• Display and Graphics:

  • LCD parallel interface supporting 8080/6800 modes
  • LCD-TFT controller with programmable resolution (up to 4096 pixels in width and 2048 lines in height)
  • Chrom-ART Accelerator™ (DMA2D) for enhanced graphic processing and content creation

• Analog Peripherals:

  • 3 × 12-bit ADCs with 2.4 MSPS, supporting up to 24 channels, and 7.2 MSPS in triple interleaved mode
  • 2 × 12-bit DACs (Digital-to-Analog Converters)
  • General-purpose DMA controller with 16 streams, FIFOs, and burst support

• Timers and Control:

  • Up to 17 timers, including:
    • Twelve 16-bit timers
    • Two 32-bit timers
    • Each with up to 4 IC/OC/PWM or pulse counters
    • Quadrature (incremental) encoder inputs
  • Multiple low-power modes (Sleep, Stop, and Standby)
  • 20 × 32-bit backup registers and optional 4 KB backup SRAM

• Clock and Power Management:

  • 1.7 V to 3.6 V application supply and I/Os
  • Integrated low-power modes (Sleep, Stop, Standby)
  • POR, PDR, PVD, BOR for reset and power management
  • 4 to 26 MHz crystal oscillator
  • Internal 16 MHz factory-trimmed RC oscillator (1% accuracy)
  • 32 kHz oscillator for RTC with calibration
  • Internal 32 kHz RC oscillator with calibration

• Connectivity and I/O:

  • Up to 168 I/O ports with interrupt capability
  • 164 fast I/Os running at up to 90 MHz
  • 166 5 V-tolerant I/Os
  • Up to 21 communication interfaces:
    • 3 × I2C interfaces (SMBus/PMBus)
    • 4 × USARTs / 4 × UARTs (11.25 Mbit/s, ISO 7816 interface, LIN, IrDA, modem control)
    • 6 × SPIs (up to 45 Mbit/s), with 2 supporting full-duplex I2S
    • CAN interfaces
    • SDIO interface for memory cards and data exchange

• Debugging and Trace:

  • SWD (Serial Wire Debug) and JTAG interfaces
  • Cortex®-M4 Embedded Trace Macrocell™ for advanced debugging and tracing

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