STM32L471QE

量産中
Education

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

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製品概要

  • 特徴

    • 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

回路ダイアグラム

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