Products > Integrated Circuits (ICs) > Embedded Processors & Controllers > STM32L451RCI6
  • STM32L451RCI6
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STM32L451RCI6

ARM MCU, ARM Cortex-M4 Microcontrollers, ARM Cortex-M4, 32bit, 80 MHz, 256 KB, 160 KB

  • Package/Case :
  • 64-UFBGA
  • Product Categories :
  • Embedded - Microcontrollers
  • RoHs Status:
  • Lead free / RoHS Compliant
  • In-stock:
  • 30

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STM32L451RCI6 Product Details

The STM32L451xx 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 data-processing instructions and data types. It also implements a full set of DSP instructions and a memory protection unit (MPU) which enhances application security.

The STM32L451xx devices embed high-speed memories (Flash memory up to 512 Kbyte, 160 Kbyte of SRAM), a Quad SPI flash memories interface (available on all packages) and an extensive range of enhanced I/Os and peripherals connected to two APB buses, two AHB buses and a 32-bit multi-AHB bus matrix.
The STM32L451xx devices embed several protection mechanisms for embedded Flash memory and SRAM: readout protection, write protection, proprietary code readout protection and Firewall.
The devices offer a fast 12-bit ADC (5 Msps), two comparators, one operational amplifier, one DAC channel, an internal voltage reference buffer, a low-power RTC, one general-purpose 32-bit timer, one 16-bit PWM timer dedicated to motor control, four general-purpose 16-bit timers, and two 16-bit low-power timers.
In addition, up to 21 capacitive sensing channels are available.
They also feature standard and advanced communication interfaces.
The STM32L451xx operates in the -40 to +85 °C (+105 °C junction) and -40 to +125 °C (+130 °C junction) temperature ranges from a 1.71 to 3.6 V power supply. A comprehensive set of power-saving modes allows the design of low-power applications.
Some independent power supplies are supported: analog independent supply input for ADC, DAC, OPAMP and comparators. A VBAT input allows to backup the RTC and backup registers.
The STM32L451xx family offers six packages from 48 to 100-pin packages.

Feature

  • 1.71 V to 3.6 V power supply
  • -40 °C to 85/125 °C temperature range
  • 145 nA in VBAT mode: supply for RTC and 32x32-bit backup registers
  • 22 nA Shutdown mode (5 wakeup pins)
  • 106 nA Standby mode (5 wakeup pins)
  • 375 nA Standby mode with RTC
  • 2.05 μA Stop 2 mode, 2.40 μA with RTC
  • 84 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
    • 174.5 ULPBench 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)
    • Internal 48 MHz with clock recovery
    • 2 PLLs for system clock, audio, ADC
  • Up to 83 fast I/Os, most 5 V-tolerant
  • RTC with HW calendar, alarms and calibration
  • Up to 21 capacitive sensing channels: support touchkey, linear and rotary touch sensors
  • 12x timers: 1x 16-bit advanced motor-control, 1x 32-bit and 3x 16-bit general purpose, 2x 16-bit basic, 2x low-power 16-bit timers (available in Stop mode), 2x watchdogs, SysTick timer
  • STM32L451RCI6 Block Diagram
    (Picture: Diagram)

    Technical Parameters

    • Core Processor
    • ARM? Cortex?-M4
    • Core Size
    • 32-Bit
    • Speed
    • 80MHz
    • Connectivity
    • CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART
    • Peripherals
    • Brown-out Detect/Reset, DMA, PWM, WDT
    • Number of I/O
    • 52
    • Program Memory Size
    • 256KB (256K x 8)
    • Program Memory Type
    • FLASH
    • RAM Size
    • 160K x 8
    • Voltage Supply (Vcc/Vdd)
    • 1.71V ~ 3.6V
    • Data Converters
    • A/D 16x12b; D/A 1x12b
    • Oscillator Type
    • Internal
    • Operating Temperature
    • -40??C ~ 85??C (TA)
    • Mounting Type
    • Surface Mount
    • Package / Case
    • 64-UFBGA
    • Supplier Device Package
    • 64-UFBGA (5x5)

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    Ratings and Reviews (1)

    • 5 / 5
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    • 1 Stars 0%
    • **arti***
      2019-12-16

      Goods arrived on time and as advertised.

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