STM32L451CCU6TR
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STMicroelectronics STM32L451CCU6TR

Manufacturer No:
STM32L451CCU6TR
Manufacturer:
STMicroelectronics
Package:
Tape & Reel (TR)
Description:
IC MCU 32BIT 256KB FLSH 48UFQFPN
Delivery:
Payment:
iso14001
iso45001
iso9001
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Product Introduction

Overview

The STM32L451CCU6TR is an ultra-low-power microcontroller from STMicroelectronics, part of the STM32L4 series. It is 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 includes a Floating Point Unit (FPU) that supports all Arm® single-precision data-processing instructions and data types, along with a full set of DSP instructions and a Memory Protection Unit (MPU) for enhanced application security.

The device features high-speed memories, including up to 512 KB of Flash memory and 160 KB of SRAM, along with a Quad SPI Flash memory interface. It also includes an extensive range of enhanced I/Os and peripherals connected to multiple buses.

The STM32L451CCU6TR operates within a temperature range of -40 to +85 °C (or +125 °C junction temperature) and is powered by a 1.71 to 3.6 V supply. It offers various power-saving modes, making it suitable for low-power applications.

Key Specifications

Parameter Specification
Core Arm® 32-bit Cortex®-M4 CPU with FPU, up to 80 MHz
Memory Up to 512 KB Flash, 160 KB SRAM
Power Supply 1.71 to 3.6 V
Temperature Range -40 to +85 °C (or +125 °C junction temperature)
ADC 12-bit, 5 Msps, up to 16-bit with hardware oversampling
DAC 12-bit output channel
Timers 1x 32-bit, 5x 16-bit, 2x low-power 16-bit timers
Communication Interfaces 4x I2C, 3x SPI, 3x USART, 1x UART, 1x LPUART, 1x CAN (2.0B Active), 1x SDMMC
Package UFQFPN 48 7x7x0.55 mm
Power Modes VBAT mode: 145 nA, Shutdown mode: 22 nA, Standby mode: 106 nA, Stop 2 mode: 2.05 µA, Run mode: 84 µA/MHz

Key Features

  • Ultra-low-power with FlexPowerControl
  • Arm® 32-bit Cortex®-M4 CPU with FPU, Adaptive real-time accelerator (ART Accelerator™)
  • High-speed memories: up to 512 KB Flash, 160 KB SRAM
  • Quad SPI Flash memory interface
  • Rich analog peripherals: 12-bit ADC, 12-bit DAC, operational amplifier, comparators
  • Extensive range of communication interfaces: I2C, SPI, USART, UART, LPUART, CAN, SDMMC
  • Low-power RTC, general-purpose timers, and low-power timers
  • Up to 21 capacitive sensing channels
  • Comprehensive set of power-saving modes
  • Independent power supplies for analog peripherals
  • Development support: serial wire debug (SWD), JTAG, Embedded Trace Macrocell™

Applications

The STM32L451CCU6TR is suitable for a wide range of applications requiring low power consumption and high performance, such as:

  • IoT devices and smart sensors
  • Industrial automation and control systems
  • Medical devices and healthcare equipment
  • Consumer electronics and wearables
  • Automotive systems and telematics

Q & A

  1. What is the core architecture of the STM32L451CCU6TR?

    The STM32L451CCU6TR is based on the Arm® 32-bit Cortex®-M4 CPU with a Floating Point Unit (FPU).

  2. What is the operating temperature range of the STM32L451CCU6TR?

    The device operates in the -40 to +85 °C (or +125 °C junction temperature) range.

  3. What are the power supply requirements for the STM32L451CCU6TR?

    The device is powered by a 1.71 to 3.6 V supply.

  4. What types of memory does the STM32L451CCU6TR have?

    The device features up to 512 KB of Flash memory and 160 KB of SRAM.

  5. What are the key analog peripherals of the STM32L451CCU6TR?

    The device includes a 12-bit ADC, a 12-bit DAC, an operational amplifier, and comparators.

  6. What communication interfaces are available on the STM32L451CCU6TR?

    The device includes I2C, SPI, USART, UART, LPUART, CAN, and SDMMC interfaces.

  7. What are the power-saving modes available on the STM32L451CCU6TR?

    The device offers VBAT mode, Shutdown mode, Standby mode, and Stop 2 mode among others.

  8. Does the STM32L451CCU6TR support capacitive sensing?

    Yes, the device supports up to 21 capacitive sensing channels.

  9. What development tools are supported by the STM32L451CCU6TR?

    The device supports serial wire debug (SWD), JTAG, and Embedded Trace Macrocell™.

  10. What is the package type of the STM32L451CCU6TR?

    The device is available in a UFQFPN 48 7x7x0.55 mm package.

  11. Is the STM32L451CCU6TR RoHS compliant?

    Yes, the device is RoHS compliant and ECOPACK2® certified.

Product Attributes

Core Processor:ARM® Cortex®-M4
Core Size:32-Bit Single-Core
Speed:80MHz
Connectivity:CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART
Peripherals:Brown-out Detect/Reset, DMA, PWM, WDT
Number of I/O:38
Program Memory Size:256KB (256K x 8)
Program Memory Type:Flash
EEPROM Size:- 
RAM Size:160K x 8
Voltage - Supply (Vcc/Vdd):1.71V ~ 3.6V
Data Converters:A/D 10x12b; D/A 1x12b
Oscillator Type:Internal
Operating Temperature:-40°C ~ 85°C (TA)
Mounting Type:Surface Mount
Package / Case:48-UFQFN Exposed Pad
Supplier Device Package:48-UFQFPN (7x7)
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Similar Products

Part Number STM32L451CCU6TR STM32L451CEU6TR STM32L431CCU6TR STM32L451CCU3TR
Manufacturer STMicroelectronics STMicroelectronics STMicroelectronics STMicroelectronics
Product Status Active Active Active Active
Core Processor ARM® Cortex®-M4 ARM® Cortex®-M4 ARM® Cortex®-M4 ARM® Cortex®-M4
Core Size 32-Bit Single-Core 32-Bit Single-Core 32-Bit Single-Core 32-Bit Single-Core
Speed 80MHz 80MHz 80MHz 80MHz
Connectivity CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, PWM, WDT Brown-out Detect/Reset, DMA, PWM, WDT Brown-out Detect/Reset, DMA, PWM, WDT Brown-out Detect/Reset, DMA, PWM, WDT
Number of I/O 38 38 39 38
Program Memory Size 256KB (256K x 8) 512KB (512K x 8) 256KB (256K x 8) 256KB (256K x 8)
Program Memory Type Flash Flash Flash Flash
EEPROM Size - - - -
RAM Size 160K x 8 160K x 8 64K x 8 160K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V 1.71V ~ 3.6V 1.71V ~ 3.6V 1.71V ~ 3.6V
Data Converters A/D 10x12b; D/A 1x12b A/D 10x12b; D/A 1x12b A/D 10x12b; D/A 2x12b A/D 10x12b; D/A 1x12b
Oscillator Type Internal Internal Internal Internal
Operating Temperature -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 85°C (TA) -40°C ~ 125°C (TA)
Mounting Type Surface Mount Surface Mount Surface Mount Surface Mount
Package / Case 48-UFQFN Exposed Pad 48-UFQFN Exposed Pad 48-UFQFN Exposed Pad 48-UFQFN Exposed Pad
Supplier Device Package 48-UFQFPN (7x7) 48-UFQFPN (7x7) 48-UFQFPN (7x7) 48-UFQFPN (7x7)

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