STMicroelectronics STM32L431VCT6

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32L4
Packaging Tray |
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 83
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; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 100-LQFP (14x14)
Package / Case 100-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L431VCT6 from STMicroelectronics is a low-power ARM Cortex-M4 microcontroller. It operates from 1.71V to 3.6V and runs at 80 MHz. With 256 KB flash and 64 KB SRAM, it suits embedded applications requiring efficient processing and extended battery life. The 100-LQFP package offers ample I/O for complex designs.

  • Ultra-low power consumption: Optimized for battery-operated devices with multiple low-power modes.
  • High performance: 80 MHz Cortex-M4 core with DSP instructions for signal processing.
  • Large memory: 256 KB flash and 64 KB SRAM for complex applications.
  • Rich peripherals: DMA, PWM, and watchdog timers reduce external component count.

Battery-Powered IoT Sensors

The 1.71V minimum supply and multiple low-power modes make it ideal for long-life environmental or industrial sensors.

Industrial Control Panels

With 80 MHz performance and 256 KB flash, it handles real-time control loops and HMI interfaces in factory automation.

Portable Medical Devices

Its low power consumption and wide voltage range support wearable monitors and handheld diagnostic tools.

Smart Home Gateways

The DMA and PWM peripherals enable efficient communication and dimming control for smart lighting and HVAC systems.

Motor Control for Small Appliances

PWM timers and analog peripherals allow precise speed control for fans, pumps, and robotic actuators.

Data Logging Systems

64 KB SRAM and 256 KB flash provide ample buffering for high-frequency data acquisition in test equipment.

Q: What is the operating voltage range of the STM32L431VCT6?
A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
Q: What is the maximum CPU speed?
A: The ARM Cortex-M4 core runs at up to 80 MHz.
Q: How much flash and RAM does it have?
A: It includes 256 KB of flash and 64 KB of SRAM.
Q: What package is available?
A: It comes in a 100-pin LQFP package.
Q: Does it support DMA and PWM?
A: Yes, it features DMA, PWM, and a watchdog timer.
Base Product Number : STM32L431VCT6
256KB flash 32-bit MCU 64KB SRAM 80MHz ARM Cortex-M4 industrial control IoT low power LQFP-100 medical motor control STM32
Q: What is the operating voltage range of the STM32L431VCT6?
A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
Q: What is the maximum CPU speed?
A: The ARM Cortex-M4 core runs at up to 80 MHz.
Q: How much flash and RAM does it have?
A: It includes 256 KB of flash and 64 KB of SRAM.
Q: What package is available?
A: It comes in a 100-pin LQFP package.
Q: Does it support DMA and PWM?
A: Yes, it features DMA, PWM, and a watchdog timer.