STMicroelectronics STM32L031F4P6

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32L0
Packaging Tube |
Core Processor ARM® Cortex®-M0+
Core Size 32-Bit Single-Core
Speed 32MHz
Connectivity I2C, IrDA, LINbus, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, POR, PWM, WDT
Number of I/O 15
Program Memory Size 16KB (16K x 8)
Program Memory Type FLASH
EEPROM Size 1K x 8
RAM Size 8K x 8
Voltage - Supply (Vcc/Vdd) 1.8V ~ 3.6V
Data Converters A/D 10x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 20-TSSOP
Package / Case 20-TSSOP (0.173", 4.40mm Width)
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L031F4P6 is an ultra-low-power 32-bit MCU from STMicroelectronics, built on the ARM Cortex-M0+ core. It operates at up to 32MHz with 16KB flash and 8KB RAM, supporting 1.8V to 3.6V supply. The 20-TSSOP package integrates DMA, PWM, and watchdog timers, making it ideal for compact, energy-efficient designs.

  • Ultra-low power consumption: 1.8V operation and low-power modes extend battery life.
  • Efficient DMA controller: Offloads data transfers, freeing CPU for critical tasks.
  • Compact 20-TSSOP package: Saves PCB space for space-constrained designs.
  • Robust protection: Brown-out reset and watchdog ensure system reliability.

Battery-Powered IoT Sensors

Ultra-low-power ARM Cortex-M0+ core with 1.8V operation extends battery life in wireless sensor nodes.

Industrial Control Loops

32MHz speed and DMA enable real-time PID control with minimal CPU overhead.

Portable Medical Devices

Low power consumption and small TSSOP package suit compact glucose meters and pulse oximeters.

Smart Home Controllers

PWM outputs drive LED dimming and motor speed control in smart thermostats.

Data Logging Systems

8KB RAM buffers sensor data before writing to external memory, reducing write cycles.

Automotive Body Electronics

Wide temp range and brown-out detection ensure reliable operation in harsh environments.

Q: What is the operating voltage range?
A: 1.8V to 3.6V.
Q: What is the maximum CPU speed?
A: 32MHz.
Q: How much flash and RAM does it have?
A: 16KB flash and 8KB RAM.
Q: What package is available?
A: 20-TSSOP.
Q: Does it support PWM?
A: Yes, includes PWM timers.
Base Product Number : STM32L031F4
16KB flash 32-bit MCU 32MHz 8KB RAM ARM Cortex-M0+ industrial control IoT portable medical STM32 TSSOP-20 ultra-low-power
Q: What is the operating voltage range?
A: 1.8V to 3.6V.
Q: What is the maximum CPU speed?
A: 32MHz.
Q: How much flash and RAM does it have?
A: 16KB flash and 8KB RAM.
Q: What package is available?
A: 20-TSSOP.
Q: Does it support PWM?
A: Yes, includes PWM timers.