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STM32L431RBT6 Specifications

Detailed technical information and Application Scenarios

Product Details

PartNumberManufactorQuantityAvailability
STM32L431RBT6ST3840Yes

STM32L431RBT6** is a microcontroller from STMicroelectronics, part of the STM32L4 series.

The STM32L431RBT6 is a microcontroller from STMicroelectronics, part of the STM32L4 series.

Manufacturer:

STMicroelectronics

Specifications:

  • Core: ARM® Cortex®-M4 (with FPU)
  • Max Clock Speed: 80 MHz
  • Flash Memory: 128 KB
  • SRAM: 64 KB (including 16 KB with hardware parity check)
  • Operating Voltage: 1.71V to 3.6V
  • Package: LQFP-64 (10x10mm)
  • Operating Temperature: -40°C to +85°C (extended) / +105°C (with restrictions)
  • Low-Power Features:
  • Multiple low-power modes (Stop, Standby, Shutdown)
  • Ultra-low-power consumption (down to 28 nA in Shutdown mode)
  • Peripherals:
  • 12-bit ADC (up to 5 Msps)
  • 12-bit DAC (2 channels)
  • Comparators, Op-Amps
  • Timers (16-bit & 32-bit)
  • USART, UART, SPI, I2C, USB 2.0 FS
  • CAN 2.0B
  • AES hardware encryption
  • True Random Number Generator (TRNG)

Descriptions:

The STM32L431RBT6 is a high-performance, ultra-low-power microcontroller based on the ARM Cortex-M4 core with a floating-point unit (FPU). It is designed for energy-efficient applications, featuring multiple low-power modes and advanced peripherals for embedded systems.

Key Features:

  • Ultra-Low Power Consumption: Optimized for battery-powered applications.
  • High-Performance Core: Cortex-M4 with DSP and FPU support.
  • Rich Peripheral Set: Includes USB, CAN, AES encryption, and analog features.
  • Robust Security: Hardware AES-256, TRNG, and memory protection.
  • Flexible Power Management: Supports dynamic voltage scaling.

This microcontroller is commonly used in IoT, wearables, medical devices, and industrial control systems.

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