STM32L412TBY6TR

STM32L412TBY6TR

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STM32L412TBY3TR

Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 128 Kbytes of Flash memory, USB

Supply Voltage Min Volt1.71
Supply Voltage Max Volt3.6
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
CoreArm Cortex-M4
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameWLCSP 36 2.6x3.1x0.6 P 0.4 mm

The STM32L412xx devices are ultra-low-power microcontrollers based on the high-performance Arm® Cortex®-M4 32-bit RISC core operating at a frequency of up to 80 MHz. The Cortex-M4 core features a Floating point unit (FPU) single precision that supports all Arm® single-precision data-processing...
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Key features
  • Includes ST state-of-the-art patented technology
    • 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 with hardware parity check

      • Quad SPI memory interface with XIP capability

    • Rich analog peripherals (independent supply)
      • 2x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 µA/Msps

      • 1x operational amplifier with built-in PGA

      • 1x ultra-low-power comparator

    • 12x communication interfaces
      • USB 2.0 full-speed crystal less solution with LPM and BCD

      • 3x I2C FM+(1 Mbit/s), SMBus/PMBus

      • 3x USARTs (ISO 7816, LIN, IrDA, modem)

      • 1x LPUART (Stop 2 wake-up)

      • 2x SPIs (and 1x Quad SPI)

      • IRTIM (Infrared interface)

    • 14-channel DMA controller
    • True random number generator
    • CRC calculation unit, 96-bit unique ID
    • Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
    • All packages are ECOPACK2 compliant
Out of Stock
Quantity $ per unit Savings
1-9$4.860%
10-99$4.3710%
100-249$3.5826%
250-499$3.4030%
500-999$3.0537%
1000-2499$2.5747%
2500-10000$2.4450%
Contact sales
$4.86
Supply Voltage Min Volt1.71
Supply Voltage Max Volt3.6
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius125.0
CoreArm Cortex-M4
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameWLCSP 36 2.6x3.1x0.6 P 0.4 mm

The STM32L412xx devices are ultra-low-power microcontrollers based on the high-performance Arm® Cortex®-M4 32-bit RISC core operating at a frequency of up to 80 MHz. The Cortex-M4 core features a Floating point unit (FPU) single precision that supports all Arm® single-precision data-processing...
Read More

Key features
  • Includes ST state-of-the-art patented technology
    • 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 with hardware parity check

      • Quad SPI memory interface with XIP capability

    • Rich analog peripherals (independent supply)
      • 2x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 µA/Msps

      • 1x operational amplifier with built-in PGA

      • 1x ultra-low-power comparator

    • 12x communication interfaces
      • USB 2.0 full-speed crystal less solution with LPM and BCD

      • 3x I2C FM+(1 Mbit/s), SMBus/PMBus

      • 3x USARTs (ISO 7816, LIN, IrDA, modem)

      • 1x LPUART (Stop 2 wake-up)

      • 2x SPIs (and 1x Quad SPI)

      • IRTIM (Infrared interface)

    • 14-channel DMA controller
    • True random number generator
    • CRC calculation unit, 96-bit unique ID
    • Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™
    • All packages are ECOPACK2 compliant