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ST STM32L431CBU6 product image
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ST STM32L431CBU6RoHS

Manufacturer
ST
MPN
STM32L431CBU6
LCSC Part #
C915967
Packaging
UFQFPN-48(7x7)
Customer #
Key Attributes
up to 256KB Flash, 64KB SRAM, analog, audio
Datasheetpdf iconST STM32L431CBU6
In-Stock: 1,126
1,126 In stock, ships now
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QtyUnit PriceTotal Amount
1+$ 4.8599$ 4.86
10+$ 4.1145$ 41.15
30+$ 3.6718$ 110.15
100+$ 3.2242$ 322.42
500+$ 3.0175$ 1508.75
1,000+$ 2.9231$ 2923.10
Standard Packaging1560/Full Tray
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Products Specifications

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TypeDescription
CategoryIntegrated Circuits (ICs)/Embedded/Microcontrollers
ManufacturerST
PackagingUFQFPN-48(7x7)
DAC (Bit)12bit
ADC (Bit)12bit
Operating Temperature-40℃~+85℃
Voltage - Supply1.71V~3.6V
Program Memory TypeFLASH
EEPROM-
Program Storage Size128KB
CPU CoreARM Cortex-M4
Core Size32 Bit
CPU Maximum Speed80MHz
Oscillator TypeBuilt-in
Number of I/O39
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Additional Information

TypeDetails
Minimum1
Multiple1
Standard Packaging1560
Sales UnitPiece

Features

AI Translation
  • Ultra-low-power with FlexPowerControl
    • 1.71V to 3.6V power supply
    • -40°C to 85/105/125°C temperature range
    • 200nA in VBAT mode: supply for RTC and 32x32-bit backup registers
    • 8 nA Shutdown mode (5 wakeup pins)
    • 28 nA Standby mode (5 wakeup pins)
    • 280 nA Standby mode with RTC
    • 1.0μA Stop 2 mode, 1.28μA with RTC
    • 84μA/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
    • 176.7 ULPBench® score
  • Clock Sources
    • 4 to 48MHz crystal oscillator
    • 32kHz crystal oscillator for RTC (LSE)
    • Internal 16 MHz factory-trimmed RC (±1%)
    • Internal low-power 32kHz RC (±5%)
    • Internal multispeed 100kHz to 48MHz oscillator, auto-trimmed by LSE (better than ±0.25% accuracy)
    • Internal 48MHz 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
  • 11x timers: 1x 16-bit advanced motor-control, 1x32-bit and 2x 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 256 KB single bank Flash, proprietary code readout protection
    • 64 KB of SRAM including 16 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
    • 2x 12-bit DAC output channels, low-power sample and hold
    • 1x operational amplifier with built-in PGA
    • 2x ultra-low-power comparators
  • 16x communication interfaces
    • 1x SAI (serial audio interface)
    • 3x I²C FM+(1 Mbit/s), SMBus/PMBus
    • 4x 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