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STM32L476JEY6TR

Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 512 Kbytes of Flash memory, LCD, USB OTG, DFSDM

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 US3A991.a.2
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameWLCSP 72 3.8x4.4x0.6 P 0.4 mm

The STM32L476xx 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 85/105/125 °C temperature range

      • 300 nA in VBAT mode: supply for RTC and 32x32-bit backup registers

      • 30 nA Shutdown mode (5 wakeup pins)

      • 120 nA Standby mode (5 wakeup pins)

      • 420 nA Standby mode with RTC

      • 1.1 µA Stop 2 mode, 1.4 µA with RTC

      • 100 µA/MHz run mode (LDO Mode)

      • 39 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
      • 294 ULPMark™ CP score

      • 106 ULPMark™ PP score

    • 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)

      • 3 PLLs for system clock, USB, audio, ADC

    • Up to 114 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V
    • RTC with HW calendar, alarms and calibration
    • LCD 8× 40 or 4× 44 with step-up converter
    • Up to 24 capacitive sensing channels: support touchkey, linear and rotary touch sensors
    • 16x timers: 2x 16-bit advanced motor-control, 2x 32-bit and 5x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer
    • Memories
      • Up to 1 MB flash, 2 banks read-while-write, proprietary code readout protection

      • Up to 128 KB of SRAM including 32 KB with hardware parity check

      • External memory interface for static memories supporting SRAM, PSRAM, NOR and NAND memories

      • Quad SPI memory interface

    • 4x digital filters for sigma delta modulator
    • Rich analog peripherals (independent supply)
      • 3x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 µA/Msps

      • 2x 12-bit DAC output channels, low-power sample and hold

      • 2x operational amplifiers with built-in PGA

      • 2x ultra-low-power comparators

    • 20x communication interfaces
      • USB OTG 2.0 full-speed, LPM and BCD

      • 2x SAIs (serial audio interface)

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

      • 5x USARTs (ISO 7816, LIN, IrDA, modem)

      • 1x LPUART (Stop 2 wake-up)

      • 3x SPIs (and 1x Quad SPI)

      • CAN (2.0B Active) and SDMMC interface

      • SWPMI single wire protocol master I/F

      • 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
In stock
Quantity $ per unit Savings
1-9$8.733%
10-24$6.7920%
25-99$6.0229%
100-249$5.1739%
250-499$4.7444%
500-999$4.4947%
1000-10000$4.2850%
Contact sales
$8.73
$8.49
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 US3A991.a.2
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameWLCSP 72 3.8x4.4x0.6 P 0.4 mm

The STM32L476xx 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 85/105/125 °C temperature range

      • 300 nA in VBAT mode: supply for RTC and 32x32-bit backup registers

      • 30 nA Shutdown mode (5 wakeup pins)

      • 120 nA Standby mode (5 wakeup pins)

      • 420 nA Standby mode with RTC

      • 1.1 µA Stop 2 mode, 1.4 µA with RTC

      • 100 µA/MHz run mode (LDO Mode)

      • 39 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
      • 294 ULPMark™ CP score

      • 106 ULPMark™ PP score

    • 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)

      • 3 PLLs for system clock, USB, audio, ADC

    • Up to 114 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V
    • RTC with HW calendar, alarms and calibration
    • LCD 8× 40 or 4× 44 with step-up converter
    • Up to 24 capacitive sensing channels: support touchkey, linear and rotary touch sensors
    • 16x timers: 2x 16-bit advanced motor-control, 2x 32-bit and 5x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer
    • Memories
      • Up to 1 MB flash, 2 banks read-while-write, proprietary code readout protection

      • Up to 128 KB of SRAM including 32 KB with hardware parity check

      • External memory interface for static memories supporting SRAM, PSRAM, NOR and NAND memories

      • Quad SPI memory interface

    • 4x digital filters for sigma delta modulator
    • Rich analog peripherals (independent supply)
      • 3x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 µA/Msps

      • 2x 12-bit DAC output channels, low-power sample and hold

      • 2x operational amplifiers with built-in PGA

      • 2x ultra-low-power comparators

    • 20x communication interfaces
      • USB OTG 2.0 full-speed, LPM and BCD

      • 2x SAIs (serial audio interface)

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

      • 5x USARTs (ISO 7816, LIN, IrDA, modem)

      • 1x LPUART (Stop 2 wake-up)

      • 3x SPIs (and 1x Quad SPI)

      • CAN (2.0B Active) and SDMMC interface

      • SWPMI single wire protocol master I/F

      • 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