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ST STM32L451CEU6TR product image
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ST STM32L451CEU6TR

Manufacturer
ST
MPN
STM32L451CEU6TR
LCSC Part #
C3227334
Packaging
QFN-48(7x7)
Customer #
Key Attributes
Ultra-low power 80 MHz Arm Cortex-M4 MCU with FPU, featuring 512-KB Flash memory and DFSDM
DatasheetST STM32L451CEU6TR
RoHS Compliance3 documents available
Alternative Parts1
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QtyUnit Price(Reference Only)Total Amount
1+$ 4.0096$ 4.01
10+$ 3.9134$ 39.13
30+$ 3.8499$ 115.50
100+$ 3.7864$ 378.64
Standard Packaging2500/Full Reel
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Products Specifications

All
TypeDescription
CategoryIntegrated Circuits (ICs)/Embedded/Microcontrollers
ManufacturerST
PackagingQFN-48(7x7)
DAC (Bit)12bit
ADC (Bit)12bit
Number of I/O38
Operating Temperature-40℃~+85℃
Program Memory TypeFLASH
Voltage - Supply1.71V~3.6V
EEPROM-
Program Storage Size512KB
CPU CoreARM Cortex-M4
Core Size32 Bit
CPU Maximum Speed80MHz
Oscillator TypeBuilt-in
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Features

AI Translation
  • Ultra-low-power with FlexPowerControl
    • 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
    • 335 ULPMark CP score
    • 104 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)
    • 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: 1x16-bit advanced motor-control, 1x32-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
  • Memories
    • Up to 512 KB single bank Flash, proprietary code readout protection
    • 160 KB of SRAM including 32 KB with hardware parity check
    • Quad SPI memory interface
  • Rich analog peripherals (independent supply)
    • 1x 12-bit ADC 5 Msps, up to 16-bit with hardware oversampling, 200 μA/Msps
    • 1x 12-bit DAC output channels, low-power sample and hold
    • 1x operational amplifier with built-in PGA
    • 2x ultra-low-power comparators
    • Accurate 2.5 V or 2.048 V reference voltage buffered output
  • 16x communication interfaces
    • 1x SAI (serial audio interface)
    • 4x I²C FM+(1 Mbit/s), SMBus/PMBus
    • 3x USARTs (ISO 7816, LIN, IrDA, modem)
    • 1x UART (LIN, IrDA, modem)
    • 1x LPUART (Stop 2 wake-up)
    • 3x SPIs (and 1x Quad SPI)
    • CAN (2.0B Active) and SDMMC interface
    • IRTIM (Infrared interface)
  • 14-channel DMA controller
  • Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell
  • All packages are ECOPACK2 compliant

Alternative Parts

MPNManufacturerPackagingAvailabilityUnit Price
STM32L451CEU6STUFQFPN-48(7x7)0$ 8.7566