STMicroelectronics STM32L431RCI6TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32L4
Packaging Tape & Reel (TR) | NULL
Core Processor ARM® Cortex®-M4
Core Size 32-Bit Single-Core
Speed 80MHz
Connectivity CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, PWM, WDT
Number of I/O 52
Program Memory Size 256KB (256K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 64K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 16x12b SAR; D/A 2x12b
Oscillator Type External, Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 64-UFBGA (5x5)
Package / Case 64-UFBGA
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L431RCI6TR from STMicroelectronics is a low-power ARM Cortex-M4 MCU with FPU running at 80MHz. It provides 256KB flash and 64KB RAM, operating from 1.71V to 3.6V. Features include DMA, PWM, WDT, and brown-out reset. The 64-UFBGA package operates from -40°C to 85°C, ideal for IoT and portable applications.

  • ARM Cortex-M4 with FPU: Enables efficient DSP and math operations.
  • Ultra-low power: Multiple low-power modes for battery devices.
  • Large memory: 256KB flash for complex firmware.
  • Compact package: 64-UFBGA saves space in wearables.

IoT Edge Devices

80MHz Cortex-M4 with FPU accelerates ML inference for predictive maintenance.

Portable Medical Monitors

Low power modes and 1.71V operation extend battery life in ECG monitors.

Smart Building Controllers

DMA and PWM manage lighting and HVAC with high efficiency.

Industrial Sensors

256KB flash supports complex protocols like EtherCAT and PROFINET.

Wearable Fitness Trackers

Small UFBGA package and low power suit compact designs.

Robotics

FPU handles kinematics calculations, while PWM drives servos.

Q: What core does it use?
A: ARM Cortex-M4 with FPU.
Q: What is the maximum clock speed?
A: 80MHz.
Q: What is the supply voltage range?
A: 1.71V to 3.6V.
Q: How much flash and RAM?
A: 256KB flash and 64KB RAM.
Q: What package is available?
A: 64-UFBGA.
Base Product Number : STM32L431RC
256KB flash 80MHz ARM Cortex-M4 IoT low-power medical robotics STM32L4 UFBGA
Q: What core does it use?
A: ARM Cortex-M4 with FPU.
Q: What is the maximum clock speed?
A: 80MHz.
Q: What is the supply voltage range?
A: 1.71V to 3.6V.
Q: How much flash and RAM?
A: 256KB flash and 64KB RAM.
Q: What package is available?
A: 64-UFBGA.