STMicroelectronics STM32L431CCT6TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32L4
Packaging Cut Tape (CT) | Tape & Reel (TR)
Core Processor ARM® Cortex®-M4
Core Size 32-Bit Single-Core
Speed 80MHz
Connectivity CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, PWM, WDT
Number of I/O 39
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 10x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-LQFP (7x7)
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L431CCT6TR is an ultra-low-power 32-bit MCU from STMicroelectronics, built on the ARM Cortex-M4 core with FPU. It operates at up to 80MHz, delivering efficient processing for a wide range of embedded applications. With 256KB flash and 64KB SRAM, it offers generous memory resources. The device supports a supply voltage from 1.71V to 3.6V, making it ideal for battery-operated systems. Its 48-pin LQFP package balances compactness with ease of prototyping.

  • Ultra-low power consumption: Multiple low-power modes extend battery life in portable devices.
  • High performance: 80MHz Cortex-M4 with FPU accelerates math-intensive tasks.
  • Large memory: 256KB flash and 64KB SRAM support complex applications.
  • Wide voltage range: 1.71V to 3.6V allows direct battery connection without regulation.
  • Robust peripherals: DMA, PWM, and WDT enhance system reliability and efficiency.

Battery-Powered IoT Sensors

The 1.71V minimum supply and multiple low-power modes enable long battery life for wireless sensor nodes collecting environmental data.

Industrial Control Systems

With 80MHz Cortex-M4 performance and PWM timers, it handles real-time motor control and process automation tasks efficiently.

Portable Medical Devices

The low power consumption and 64KB SRAM support complex algorithms in glucose meters and pulse oximeters.

Smart Home Hubs

DMA and rich communication peripherals allow seamless integration with Zigbee, Thread, or proprietary RF transceivers.

Wearable Fitness Trackers

Small 48-LQFP footprint and low-voltage operation fit compact PCB designs while maintaining processing headroom.

Data Logging Systems

256KB flash provides ample storage for event logs, and the WDT ensures reliable unattended operation.

Q: What is the operating voltage range?
A: 1.71V to 3.6V, suitable for battery-powered applications.
Q: What is the maximum CPU speed?
A: 80MHz with an ARM Cortex-M4 core with FPU.
Q: How much flash and RAM does it have?
A: 256KB flash and 64KB SRAM.
Q: What package is available?
A: 48-pin LQFP package.
Q: Does it support low-power modes?
A: Yes, it features multiple low-power modes for energy efficiency.
Base Product Number : STM32L431CCT6
256KB Flash 32-bit MCU 48-LQFP 64KB SRAM 80MHz ARM Cortex-M4 industrial control IoT STM32L431CCT6TR STMicroelectronics ultra-low-power
Q: What is the operating voltage range?
A: 1.71V to 3.6V, suitable for battery-powered applications.
Q: What is the maximum CPU speed?
A: 80MHz with an ARM Cortex-M4 core with FPU.
Q: How much flash and RAM does it have?
A: 256KB flash and 64KB SRAM.
Q: What package is available?
A: 48-pin LQFP package.
Q: Does it support low-power modes?
A: Yes, it features multiple low-power modes for energy efficiency.