📢 Final call: FREE worldwide delivery ends on Mar. 31! No min purchase or code needed. 🛒 Shop now

STM32L031K6T3TR

STM32L031K6T3TR

STM32L031K6U6

STM32L031K6U6

Active

STM32L031K6U6TR

Ultra-low-power Arm Cortex-M0+ MCU with 32-Kbytes of Flash memory, 32 MHz CPU

Supply Voltage Min Volt1.65
Supply Voltage Max Volt3.6
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
CoreArm Cortex-M0+
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameUFQFPN 32 5x5x0.55 mm

The access line ultra-low-power STM32L031x4/6 family incorporates the high-performance ARM® Cortex®-M0+ 32-bit RISC core operating at a 32 MHz frequency, high-speed embedded memories (up to 32 Kbytes of Flash program memory, 1 Kbytes of data EEPROM and 8 Kbytes of RAM) plus an extensive range of...
Read More

Key features
  • Ultra-low-power platform
    • 1.65 V to 3.6 V power supply
    • -40 to 125 °C temperature range
    • 0.25 μA Standby mode (2 wakeup pins)
    • 0.38 μA Stop mode (16 wakeup lines)
    • 0.68 μA Stop mode + RTC + 8 KB RAM retention
    • Down to 76 μA/MHz in Run mode
    • 5 μs wakeup time (from Flash memory)
    • 41 μA 12-bit ADC conversion (at 10ksps)
  • Core: ARM® 32-bit Cortex®-M0+
    • From 32 kHz up to 32 MHz max.
    • 0.95 DMIPS/MHz
    • Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
    • Ultralow power POR/PDR
    • Programmable voltage detector (PVD)
  • Clock sources
    • 1 to 25 MHz crystal oscillator
    • 32 kHz oscillator for RTC with calibration
    • High speed internal 16 MHz factory-trimmed RC (+/- 1%)
    • Internal low-power 37 kHz RC
    • Internal multispeed low-power 65 kHz to 4.2 MHz RC
    • PLL for CPU clock
  • Pre-programmed bootloader
    • USART, SPI supported
  • Development support
    • Serial wire debug supported
  • Up to 38 fast I/Os (31 I/Os 5V tolerant)
  • Memories
    • Up to 32 KB Flash with ECC
    • 8 KB RAM
    • 1 KB of data EEPROM with ECC
    • 20-byte backup register
    • Sector protection against R/W operation
  • Rich Analog peripherals
    • 12-bit ADC 1.14 Msps up to 10 channels (down to 1.65 V)
    • 2x ultra-low-power comparators (window mode and wake up capability, down to 1.8 V)
  • 7-channel DMA controller, supporting ADC, SPI, I2C, USART, Timers
  • 5x peripherals communication interface
  • 1x USART (ISO 7816, IrDA), 1x UART (low power)
  • 1x SPI 16 Mbits/s
  • 1x I2C (SMBus/PMBus)
  • 8x timers: 1x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC and 2x watchdogs (independent/window)
  • CRC calculation unit, 96-bit unique ID
  • All packages are ECOPACK®2
In stock
Quantity $ per unit Savings
1-9$3.020%
10-99$2.7210%
100-249$2.2326%
250-499$2.1130%
500-999$1.8937%
1000-2999$1.6047%
3000-10000$1.5150%
Contact sales
$3.02
$3.02
Supply Voltage Min Volt1.65
Supply Voltage Max Volt3.6
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
CoreArm Cortex-M0+
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameUFQFPN 32 5x5x0.55 mm

The access line ultra-low-power STM32L031x4/6 family incorporates the high-performance ARM® Cortex®-M0+ 32-bit RISC core operating at a 32 MHz frequency, high-speed embedded memories (up to 32 Kbytes of Flash program memory, 1 Kbytes of data EEPROM and 8 Kbytes of RAM) plus an extensive range of...
Read More

Key features
  • Ultra-low-power platform
    • 1.65 V to 3.6 V power supply
    • -40 to 125 °C temperature range
    • 0.25 μA Standby mode (2 wakeup pins)
    • 0.38 μA Stop mode (16 wakeup lines)
    • 0.68 μA Stop mode + RTC + 8 KB RAM retention
    • Down to 76 μA/MHz in Run mode
    • 5 μs wakeup time (from Flash memory)
    • 41 μA 12-bit ADC conversion (at 10ksps)
  • Core: ARM® 32-bit Cortex®-M0+
    • From 32 kHz up to 32 MHz max.
    • 0.95 DMIPS/MHz
    • Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
    • Ultralow power POR/PDR
    • Programmable voltage detector (PVD)
  • Clock sources
    • 1 to 25 MHz crystal oscillator
    • 32 kHz oscillator for RTC with calibration
    • High speed internal 16 MHz factory-trimmed RC (+/- 1%)
    • Internal low-power 37 kHz RC
    • Internal multispeed low-power 65 kHz to 4.2 MHz RC
    • PLL for CPU clock
  • Pre-programmed bootloader
    • USART, SPI supported
  • Development support
    • Serial wire debug supported
  • Up to 38 fast I/Os (31 I/Os 5V tolerant)
  • Memories
    • Up to 32 KB Flash with ECC
    • 8 KB RAM
    • 1 KB of data EEPROM with ECC
    • 20-byte backup register
    • Sector protection against R/W operation
  • Rich Analog peripherals
    • 12-bit ADC 1.14 Msps up to 10 channels (down to 1.65 V)
    • 2x ultra-low-power comparators (window mode and wake up capability, down to 1.8 V)
  • 7-channel DMA controller, supporting ADC, SPI, I2C, USART, Timers
  • 5x peripherals communication interface
  • 1x USART (ISO 7816, IrDA), 1x UART (low power)
  • 1x SPI 16 Mbits/s
  • 1x I2C (SMBus/PMBus)
  • 8x timers: 1x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power timer, 1x SysTick, 1x RTC and 2x watchdogs (independent/window)
  • CRC calculation unit, 96-bit unique ID
  • All packages are ECOPACK®2
Associated products