STM32L051K8U3TR

STM32L051K8U3TR

STM32L051K8T6

STM32L051K8T6

STM32L051K8U6

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Ultra-low-power Arm Cortex-M0+ MCU with 64 Kbytes of Flash memory, 32 MHz CPU
Quantity $ per Unit Savings
1 - 9$3.600%
10 - 24$3.2310%
25 - 99$3.0615%
100 - 249$2.6527%
250 - 499$2.5230%
500$2.2537%
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Out of stock
$3.60
Parameter NameParameter Value
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 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
    • 0.27 µA Standby mode (2 wakeup pins)
    • 0.4 µA Stop mode (16 wakeup lines)
    • 0.8 µA Stop mode + RTC + 8-Kbyte RAM retention
    • 88 µA/MHz in Run mode
    • 3.5 µs wakeup time (from RAM)
    • 5 µs wakeup time (from Flash memory)
  • Core: Arm® 32-bit Cortex®-M0+ with MPU
    • From 32 kHz up to 32 MHz max.
    • 0.95 DMIPS/MHz
  • Memories
    • Up to 64-Kbyte Flash memory with ECC
    • 8-Kbyte RAM
    • 2 Kbytes of data EEPROM with ECC
    • 20-byte backup register
    • Sector protection against R/W operation
  • Up to 51 fast I/Os (45 I/Os 5V tolerant)
  • Reset and supply management
    • Ultra-safe, low-power BOR (brownout reset) with 5 selectable thresholds
    • Ultra-low-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
  • Rich Analog peripherals
    • 12-bit ADC 1.14 Msps up to 16 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
  • 7x peripheral communication interfaces
    • 2x USART (ISO 7816, IrDA), 1x UART (low power)
    • Up to 4x SPI 16 Mbits/s
    • 2x I2C (SMBus/PMBus)
  • 9x timers: 1x 16-bit with up to 4 channels, 2x 16-bit with up to 2 channels, 1x 16-bit ultra-low-power ti
Associated Products