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STM32L451CCU3 - STMicroelectronics

Description: Ultra-low-power Arm® Cortex®-M4 32-bit MCU+FPU, 100DMIPS, up to 512KB Flash, 160KB SRAM, analog, audio

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STM32L451CCU3 - STMicroelectronics PCB footprint - Quad Flat No-Lead - Quad Flat No-Lead - UFQFPN - 48 leads, 7x7 mm, 0.5 mm pitch
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STM32L451CCU3 - STMicroelectronics  - 3D model - Quad Flat No-Lead - UFQFPN - 48 leads, 7x7 mm, 0.5 mm pitch
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STM32L451CCU3 Details

  • Manufacturer Part Number:

    STM32L451CCU3

  • Brand Name:

    STMicroelectronics

  • Rohs Code:

    Yes

  • Part Life Cycle Code:

    Active

  • Package Description:

    QFN-48

  • Country Of Origin:

    Mainland China, Philippines, Taiwan

  • ECCN Code:

    3A991.A.2

  • HTS Code:

    8542.31.00.25

  • Factory Lead Time:

    12 Weeks

  • Manufacturer:

    STMicroelectronics

  • YTEOL:

    9

  • Has ADC:

    YES

  • Bit Size:

    32

  • Boundary Scan:

    YES

  • CPU Family:

    CORTEX-M4

  • Clock Frequency-Max:

    48 MHz

  • DAC Channels:

    YES

  • DMA Channels:

    YES

  • Format:

    FLOATING POINT

  • Integrated Cache:

    NO

  • JESD-30 Code:

    S-XQCC-N48

  • JESD-609 Code:

    e4

  • Length:

    7 mm

  • Low Power Mode:

    YES

  • Moisture Sensitivity Level:

    3

  • Number of DMA Channels:

    14

  • Number of External Interrupts:

    16

  • Number of I/O Lines:

    38

  • Number of Serial I/Os:

    5

  • Number of Terminals:

    48

  • Number of Timers:

    12

  • On Chip Data RAM Width:

    8

  • On Chip Program ROM Width:

    8

  • Operating Temperature-Max:

    125 °C

  • Operating Temperature-Min:

    -40 °C

  • PWM Channels:

    YES

  • Package Body Material:

    UNSPECIFIED

  • Package Code:

    HVQCCN

  • Package Equivalence Code:

    LCC48,.28SQ,20

  • Package Shape:

    SQUARE

  • Package Style:

    CHIP CARRIER, HEAT SINK/SLUG, VERY THIN PROFILE

  • Peak Reflow Temperature (Cel):

    260

  • RAM (bytes):

    163840

  • ROM (words):

    262144

  • ROM Programmability:

    FLASH

  • Seated Height-Max:

    0.6 mm

  • Speed:

    80 MHz

  • Supply Current-Max:

    11.5 mA

  • Supply Voltage-Max:

    3.6 V

  • Supply Voltage-Min:

    1.71 V

  • Supply Voltage-Nom:

    3 V

  • Surface Mount:

    YES

  • Technology:

    CMOS

  • Terminal Finish:

    Nickel/Palladium/Gold (Ni/Pd/Au)

  • Terminal Form:

    NO LEAD

  • Terminal Pitch:

    0.5 mm

  • Terminal Position:

    QUAD

  • Width:

    7 mm

  • uPs/uCs/Peripheral ICs Type:

    MICROCONTROLLER, RISC

STM32L451CCU3 Frequently Asked Questions (FAQs)

  • The maximum clock frequency of the STM32L451CCU3 is 32 MHz, but it can be overclocked to 64 MHz using the internal PLL.
  • The clock settings can be configured using the Clock Control Register (RCC_CR) and the Clock Configuration Register (RCC_CFGR). The RCC_CR register is used to enable and disable the clock sources, while the RCC_CFGR register is used to select the clock source and configure the clock prescalers.
  • The VBAT pin is used to connect a battery or a supercapacitor to the microcontroller. It is used to power the real-time clock (RTC) and the backup registers when the main power supply is turned off.
  • The STM32L451CCU3 has several low-power modes, including Sleep, Stop, and Standby modes. These modes can be entered using the Power Management Unit (PMU) and the Cortex-M4 processor's sleep modes. The PMU is used to control the power modes, while the Cortex-M4 processor's sleep modes are used to reduce power consumption.
  • The maximum amount of current that the STM32L451CCU3 can supply to an external device is 20 mA per GPIO pin, with a total current limit of 100 mA for all GPIO pins combined.

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About STMicroelectronics

STMicroelectronics (ST) is a global semiconductor company that designs, manufactures, and markets a broad range of integrated circuits (ICs), discrete devices, and other electronic components. STMicroelectronics offers a diverse portfolio of semiconductor products covering a wide range of applications and industries. Their product categories include microcontrollers, analog and mixed-signal ICs, MEMS (Micro-Electro-Mechanical Systems) sensors, power management ICs, RF (Radio Frequency) transceivers, aut

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