STM32L471ZG

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Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 1 Mbyte of Flash memory, DFSDM

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Product overview

  • All features

    • 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
      • 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, 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
    • 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
    • 19x communication interfaces
      • 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

Circuit Diagram

All tools & software

    • Part number
      Status
      Description
      Type
      Supplier

      AWS IoT Core

      Active

      AWS IoT Core is a managed cloud service that lets connected devices easily and securely interact with cloud applications and other devices

      Cloud AWS
      AWS IoT Core

      Description:

      AWS IoT Core is a managed cloud service that lets connected devices easily and securely interact with cloud applications and other devices

      AZURE Cloud

      Active

      Microsoft Azure is an ever-expanding set of cloud services to help your organization meet your business challenges. It's the freedom to build, manage, and deploy applications on a massive, global network using your favorite tools and frameworks.

      Cloud Microsoft
      AZURE Cloud

      Description:

      Microsoft Azure is an ever-expanding set of cloud services to help your organization meet your business challenges. It's the freedom to build, manage, and deploy applications on a massive, global network using your favorite tools and frameworks.

      Enhanced Carrier Connectivity Services

      Active

      Optimized regional cellular connectivity with one point of accountability & invoice for multiple Tier-1 carrier services

      Cloud Sierra Wireless
      Enhanced Carrier Connectivity Services

      Description:

      Optimized regional cellular connectivity with one point of accountability & invoice for multiple Tier-1 carrier services

      Global Smart Connectivity Services

      Active

      Smart Connectivity simplifies IoT deployments, eliminates coverage gaps with access to multiple networks, while reducing the total cost of opportunity

      Cloud Sierra Wireless
      Global Smart Connectivity Services

      Description:

      Smart Connectivity simplifies IoT deployments, eliminates coverage gaps with access to multiple networks, while reducing the total cost of opportunity

      Octave Services

      Active

      Octave all-in-one platform for connecting IoT assets and microcontrollers to the cloud

      Cloud Sierra Wireless
      Octave Services

      Description:

      Octave all-in-one platform for connecting IoT assets and microcontrollers to the cloud

      Watson IoT Platform

      Active

      IBM Watson IoT Platform is a managed, cloud-hosted service designed to make it simple to derive value from your Internet of Things devices.

      Cloud IBM
      Watson IoT Platform

      Description:

      IBM Watson IoT Platform is a managed, cloud-hosted service designed to make it simple to derive value from your Internet of Things devices.
    • Part number
      Status
      Description
      Type
      Supplier

      Enhanced Carrier Connectivity SIM

      Active

      Cellular connectivity that simplifies, optimizes regional deployments via 1 point of accountability and invoice for multiple Tier-1 carrier services

      Components and Modules Sierra Wireless
      Enhanced Carrier Connectivity SIM

      Description:

      Cellular connectivity that simplifies, optimizes regional deployments via 1 point of accountability and invoice for multiple Tier-1 carrier services

      Global Smart Connectivity SIM

      Active

      Sierra Wireless' Smart Connectivity provides resilient Global cellular coverage in a single SIM

      Components and Modules Sierra Wireless
      Global Smart Connectivity SIM

      Description:

      Sierra Wireless' Smart Connectivity provides resilient Global cellular coverage in a single SIM