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STM32L471QEI7TR

STM32L471QEI7TR

STM32L471QEI3TR

STM32L471QEI3TR

Active

STM32L471QEI6TR

Ultra-low-power with FPU Arm Cortex-M4 MCU 80 MHz with 512 Kbytes of Flash memory, 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 NameUFBGA 132 7x7x0.6 P 0.5 mm

The STM32L471xx devices are the 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 which supports all ARM single-precision...
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Key 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 Stop 2 with RTC
    • 100 μA/MHz run mode
    • Batch acquisition mode (BAM)
    • 4 μs wakeup from Stop mode
    • Brown out reset (BOR) in all modes except shutdown
    • 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/1.25DMIPS/MHz (Dhrystone 2.1), and DSP instructions
  • 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
  • RTC with HW calendar, alarms and calibration
  • Up to 24 capacitive sensing channels: support touchkey, linear and rotary touch sensors
  • 16x timers: 2 x 16-bit advanced motor-control, 2 x 32-bit and 5 x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer
  • Up to 114 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V
  • 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)
    • 3× 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 μA/Msps
    • 2x 12-bit DAC, low-power sample and hold
    • 2x operational amplifiers with built-in PGA
    • 2x ultra-low-power comparators
  • 17x communication interfaces
    • 2x SAIs (serial audio interface)
    • 3x I2C FM+(1 Mbit/s), SMBus/PMBus
    • 6x USARTs (ISO 7816, LIN, IrDA, modem)
    • 3x SPIs (4x SPIs with the Quad SPI)
    • CAN (2.0B Active) and SDMMC interface
    • SWPMI single wire protocol master I/F
  • 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™
Out of Stock
Quantity $ per unit Savings
1-9$8.520%
10-24$7.6910%
25-99$7.3414%
100-249$6.3725%
250-499$6.0929%
500-999$5.5535%
1000-10000$4.8343%
Contact sales
$8.52
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 NameUFBGA 132 7x7x0.6 P 0.5 mm

The STM32L471xx devices are the 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 which supports all ARM single-precision...
Read More

Key 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 Stop 2 with RTC
    • 100 μA/MHz run mode
    • Batch acquisition mode (BAM)
    • 4 μs wakeup from Stop mode
    • Brown out reset (BOR) in all modes except shutdown
    • 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/1.25DMIPS/MHz (Dhrystone 2.1), and DSP instructions
  • 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
  • RTC with HW calendar, alarms and calibration
  • Up to 24 capacitive sensing channels: support touchkey, linear and rotary touch sensors
  • 16x timers: 2 x 16-bit advanced motor-control, 2 x 32-bit and 5 x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer
  • Up to 114 fast I/Os, most 5 V-tolerant, up to 14 I/Os with independent supply down to 1.08 V
  • 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)
    • 3× 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 μA/Msps
    • 2x 12-bit DAC, low-power sample and hold
    • 2x operational amplifiers with built-in PGA
    • 2x ultra-low-power comparators
  • 17x communication interfaces
    • 2x SAIs (serial audio interface)
    • 3x I2C FM+(1 Mbit/s), SMBus/PMBus
    • 6x USARTs (ISO 7816, LIN, IrDA, modem)
    • 3x SPIs (4x SPIs with the Quad SPI)
    • CAN (2.0B Active) and SDMMC interface
    • SWPMI single wire protocol master I/F
  • 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™