STM32L412KBU3

STM32L412KBU3

STM32L412KBU6TR

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Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 128 Kbytes of Flash memory, USB
Quantity $ per Unit Savings
1 - 9$4.440%
10 - 24$4.0010%
25 - 99$3.7715%
100 - 249$3.2726%
250 - 499$3.1130%
500$2.7837%
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Out of stock
$4.44
Parameter NameParameter Value
Supply Voltage Min Volt1.71
Supply Voltage Max Volt3.6
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
CoreArm Cortex-M4
ECCN US3A991A2
ECCN EUNEC
Packing TypeTape And Reel
ROHS Compliance GradeEcopack2
GradeIndustrial
Package NameUFQFPN 32 5x5x0.55 mm
Key features
  • Ultra-low-power with FlexPowerControl
    • 1.71 V to 3.6 V power supply
    • -40 °C to 85/125 °C temperature range
    • 300 nA in VBAT mode: supply for RTC and 32x32-bit backup registers
    • 16 nA Shutdown mode (4 wakeup pins)
    • 32 nA Standby mode (4 wakeup pins)
    • 245 nA Standby mode with RTC
    • 0.7 µA Stop 2 mode, 0.95 µA with RTC
    • 79 µA/MHz run mode (LDO Mode)
    • 28 μA/MHz run mode (@3.3 V SMPS Mode)
    • Batch acquisition mode (BAM)
    • 4 µs wakeup from Stop mode
    • Brown out reset (BOR)
    • Interconnect matrix
  • Core: Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™) allowing 0-wait-state execution from Flash memory, frequency up to 80 MHz, MPU, 100DMIPS and DSP instructions
  • Performance benchmark
    • 1.25 DMIPS/MHz (Drystone 2.1)
    • 273.55 CoreMark® (3.42 CoreMark/MHz @ 80 MHz)
  • Energy benchmark
    • 442 ULPMark-CP®
    • 165 ULPMark-PP®
  • Clock Sources
    • 4 to 48 MHz crystal oscillator
    • 32 kHz crystal oscillator for RTC (LSE)
    • Internal 16 MHz factory-trimmed RC (±1%)
    • Internal low-power 32 kHz RC (±5%)
    • Internal multispeed 100 kHz to 48 MHz oscillator, auto-trimmed by LSE (better than ±0.25 % accuracy)
    • Internal 48 MHz with clock recovery
    • PLL for system clock
  • Up to 52 fast I/Os, most 5 V-tolerant
  • RTC with HW calendar, alarms and calibration
  • Up to 12 capacitive sensing channels: support touchkey, linear and rotary touch sensors
  • 10x timers: 1x 16-bit advanced motor-control, 1x 32-bit and 2x 16-bit general purpose, 1x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer
  • Memories
    • 128 KB single bank Flash, proprietary code readout protection
    • 40 KB of SRAM including 8 KB w