STM32L031K6T7

STM32L031K6T7

STM32L031K6T3

STM32L031K6T3

STM32L031K6U7

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

Quantity $ per Unit Savings
1 - 9$3.540%
10 - 24$3.1910%
25 - 99$3.0115%
100 - 249$2.6126%
250 - 499$2.4730%
500$2.2337%
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$3.54
Parameter NameParameter Value
Supply Voltage Min Volt1.65
Supply Voltage Max Volt3.6
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius105.0
CoreArm Cortex-M0+
ECCN US3A991A2
ECCN EUNEC
Packing TypeTray
ROHS Compliance GradeEcopack2
GradeIndustrial
Package NameUFQFPN 32 5x5x0.55 mm
Key features
  • Ultra-low-power platform
    • 1.65 V to 3.6 V power supply
    • -40 to 125 °C temperature range
    • 0.23 μA Standby mode (2 wakeup pins)
    • 0.35 μA Stop mode (16 wakeup lines)
    • 0.6 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 10 ksps
  • 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-Kbyte Flash with ECC
    • 8-Kbyte RAM
    • 1-Kbyte 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 1.65 V)
  • 7-channel DMA controller, supporting ADC, SPI, I2C, USART, Timers
  • 5x peripherals communication interface
  • 1x USART (ISO 7816, IrDA), 1x UART (low power)
  • Up to 2 SPI interfaces, up to 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 calcu
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