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STM32L552MEY6QTR

STM32L552MEY6QTR

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STM32L552MEY6PTR

Ultra-low-power with FPU Arm Cortex-M33 with Trust Zone, MCU 110 MHz with 512 kbytes of Flash memory

Supply Voltage Min Volt1.71
Supply Voltage Max Volt3.6
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
CoreArm Cortex-M33
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameWLCSP 81 4.1x4.4x0.6 P 0.4 mm

The STM32L552xx devices are an ultra-low-power microcontrollers family (STM32L5 Series) based on the high-performance Arm® Cortex®-M33 32-bit RISC core. They operate at a frequency of up to 110 MHz.The Cortex®-M33 core features a single-precision floating-point unit (FPU), which supports all the...
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Key features
  • Ultra-low-power with FlexPowerControl
    • 1.71 V to 3.6 V power supply
    • -40 °C to 85/125 °C temperature range
    • Batch acquisition mode (BAM)
    • 187 nA in VBAT mode: supply for RTC and 32x32-bit backup registers
    • 17 nA Shutdown mode (5 wakeup pins)
    • 108 nA Standby mode (5 wakeup pins)
    • 222 nA Standby mode with RTC
    • 3.16 μA Stop 2 with RTC
    • 106 μA/MHz Run mode (LDO mode)
    • 62 μA/MHz Run mode @ 3 V (SMPS step-down converter mode)
    • 5 µs wakeup from Stop mode
    • Brownout reset (BOR) in all modes except Shutdown
  • Core
    • Arm® 32-bit Cortex®-M33 CPU with TrustZone® and FPU
  • ART Accelerator
    • 8-Kbyte instruction cache allowing 0-wait-state execution from Flash memory and external memories; frequency up to 110 MHz, MPU, 165 DMIPS and DSP instructions
  • Performance benckmark
    • 1.5 DMIPS/MHz (Drystone 2.1)
    • 442 CoreMark® (4.02 CoreMark®/MHz)
  • Energy benchmark
    • 370 ULPMark-CP® score
    • 54 ULPMark-PP® score
    • 27400 SecureMark-TLS® score
  • Memories
    • Up to 512-Kbyte Flash, two banks read-while-write
    • 256 Kbytes of SRAM including 64 Kbytes with hardware parity check
    • External memory interface supporting SRAM, PSRAM, NOR, NAND and FRAM memories
    • OCTOSPI memory interface
  • Security
    • Arm® TrustZone® and securable I/Os, memories and peripherals
    • Flexible life cycle scheme with RDP (readout protection)
    • Root of trust thanks to unique boot entry and hide p
Out of Stock
Quantity $ per unit Savings
1-9$9.720%
10-24$8.7910%
25-99$8.3814%
100-249$7.2825%
250-499$6.9529%
500-999$6.3435%
1000-10000$5.5243%
Contact sales
$9.72
Supply Voltage Min Volt1.71
Supply Voltage Max Volt3.6
Operating Temp Min Celsius-40.0
Operating Temp Max Celsius85.0
CoreArm Cortex-M33
ECCN US3A991.a.2
ECCN EUNEC
Packing TypeTape And Reel
RoHs compliantEcopack2
GradeIndustrial
Package NameWLCSP 81 4.1x4.4x0.6 P 0.4 mm

The STM32L552xx devices are an ultra-low-power microcontrollers family (STM32L5 Series) based on the high-performance Arm® Cortex®-M33 32-bit RISC core. They operate at a frequency of up to 110 MHz.The Cortex®-M33 core features a single-precision floating-point unit (FPU), which supports all the...
Read More

Key features
  • Ultra-low-power with FlexPowerControl
    • 1.71 V to 3.6 V power supply
    • -40 °C to 85/125 °C temperature range
    • Batch acquisition mode (BAM)
    • 187 nA in VBAT mode: supply for RTC and 32x32-bit backup registers
    • 17 nA Shutdown mode (5 wakeup pins)
    • 108 nA Standby mode (5 wakeup pins)
    • 222 nA Standby mode with RTC
    • 3.16 μA Stop 2 with RTC
    • 106 μA/MHz Run mode (LDO mode)
    • 62 μA/MHz Run mode @ 3 V (SMPS step-down converter mode)
    • 5 µs wakeup from Stop mode
    • Brownout reset (BOR) in all modes except Shutdown
  • Core
    • Arm® 32-bit Cortex®-M33 CPU with TrustZone® and FPU
  • ART Accelerator
    • 8-Kbyte instruction cache allowing 0-wait-state execution from Flash memory and external memories; frequency up to 110 MHz, MPU, 165 DMIPS and DSP instructions
  • Performance benckmark
    • 1.5 DMIPS/MHz (Drystone 2.1)
    • 442 CoreMark® (4.02 CoreMark®/MHz)
  • Energy benchmark
    • 370 ULPMark-CP® score
    • 54 ULPMark-PP® score
    • 27400 SecureMark-TLS® score
  • Memories
    • Up to 512-Kbyte Flash, two banks read-while-write
    • 256 Kbytes of SRAM including 64 Kbytes with hardware parity check
    • External memory interface supporting SRAM, PSRAM, NOR, NAND and FRAM memories
    • OCTOSPI memory interface
  • Security
    • Arm® TrustZone® and securable I/Os, memories and peripherals
    • Flexible life cycle scheme with RDP (readout protection)
    • Root of trust thanks to unique boot entry and hide p