STM32L431KBU6

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STM32L431KBU6

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IC MCU 32BIT 128KB FLSH 32UFQFPN

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Attribut Wert
Package Tray
Series STM32L4
ProductStatus Active
CoreProcessor ARM® Cortex®-M4
CoreSize 32-Bit Single-Core
Speed 80MHz
Connectivity CANbus, I²C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, PWM, WDT
NumberofI/O 26
ProgramMemorySize 128KB (128K x 8)
ProgramMemoryType FLASH
RAMSize 64K x 8
Voltage-Supply(Vcc/Vdd) 1.71V ~ 3.6V
DataConverters A/D 10x12b; D/A 2x12b
OscillatorType Internal
OperatingTemperature -40°C ~ 85°C (TA)
MountingType Surface Mount
Package/Case 32-UFQFN Exposed Pad

Übersicht

Description

The STM32L431KBU6 is a microcontroller from the STM32L4 series by STMicroelectronics, designed for ultra-low-power applications. It is based on an ARM Cortex-M4 core with a floating-point unit, operating at a frequency of up to 80 MHz. This microcontroller is part of the STM32L4x1 family known for balancing power efficiency with performance.
Key features of the STM32L431KBU6 include 128 KB of Flash memory, 32 KB of SRAM, and a wide array of peripherals, such as UART, SPI, I2C, and ADCs, which make it suitable for a variety of embedded applications. It supports multiple power modes and features like dynamic voltage scaling, which extend battery life in portable devices.
The STM32L431KBU6 is packaged in a 32-pin UFQFPN, making it suitable for compact designs. Its development is supported by STM32CubeMX and the STM32CubeL4 software library, offering a comprehensive firmware package to ease design and development efforts. This microcontroller is ideal for applications like wearable devices, IoT nodes, and other energy-sensitive applications.

Equivalent

The STM32L431KBU6 is a microcontroller from STMicroelectronics. Equivalent products can include:
1. NXP Semiconductors: LPC55S66
2. Texas Instruments: MSP432P401R
3. Microchip Technology: ATSAML21J18B
4. Renesas Electronics: RA2A1 series
These alternatives offer similar low-power and performance characteristics, but differences in peripherals and specific features might exist. Always check detailed specifications to ensure compatibility for your specific application.

Features

The STM32L431KBU6 is a microcontroller from STMicroelectronics, part of the STM32L4 series, designed for ultra-low-power applications. It features an Arm Cortex-M4 core with FPU running at up to 80 MHz. The device offers 128 KB of Flash memory and 32 KB of SRAM. It includes a comprehensive set of peripherals, including:
- A 12-bit ADC with up to 16 channels.
- Two comparators and two operational amplifiers.
- Up to 5 timers, including 16-bit and 32-bit timers, and a low-power timer.
- Communication interfaces such as USART, SPI, I2C, and I2S.
- An LCD controller and touch sensing controller.
- USB 2.0 Full Speed interface.
- AES encryption, true random number generator, and other security features.
- Operating voltage range: 1.71 V to 3.6 V.
- Ultra-low power modes and consumption.
The STM32L431KBU6 is suitable for applications requiring energy efficiency, robust processing power, and versatile connectivity options, ideal for IoT devices, portable electronics, and wearable technology.

Pinout

The STM32L431KBU6 is a microcontroller from the STM32L4 series by STMicroelectronics. It comes in a UFQFPN32 package, which means it has 32 pins. This microcontroller is based on the ARM Cortex-M4 core and is designed for low-power applications.
Key features include:
- 256 KB of Flash memory
- 64 KB of SRAM
- A wide range of communication interfaces such as I2C, USART, and SPI
- Multiple GPIOs for general-purpose input/output functions
- 12-bit ADC for analog-to-digital conversion
- Timers for handling tasks like PWM, input capture, and general-purpose timing functions
- Low-power modes for energy-efficient operation
The STM32L431KBU6 is suitable for applications requiring efficient power consumption and performance, making it ideal for battery-powered devices, portable electronics, and IoT applications.

Manufacturer

The STM32L431KBU6 is manufactured by STMicroelectronics. STMicroelectronics is a global semiconductor company that designs, develops, manufactures, and markets a broad range of semiconductor products. Their portfolio spans microcontrollers, sensors, power management devices, analog and digital ICs, and more. STMicroelectronics serves various markets, including automotive, industrial, personal electronics, and communications, with a focus on innovation and energy efficiency. Headquartered in Geneva, Switzerland, the company operates worldwide, leveraging its extensive research and development capabilities to provide solutions that meet the needs of their diverse client base.

Application

The STM32L431KBU6 microcontroller is part of the STM32L4 series and is designed for ultra-low-power applications. Key application areas include:
1. Wearable Devices: Ideal for fitness trackers and smartwatches due to its low power consumption and compact size.
2. IoT Devices: Suitable for battery-operated IoT sensors and edge devices requiring efficient power management.
3. Medical Devices: Used in portable medical equipment where reliability and low power are critical.
4. Smart Home Products: Applicable in home automation devices, such as smart thermostats and security systems.
5. Industrial Sensors: Effective in industrial monitoring systems needing energy efficiency and robust performance.
These applications leverage its features like advanced power modes, security features, and flexible interfacing capabilities.

Package

The STM32L431KBU6 microcontroller is packaged in a UFQFPN (Ultra-Thin Fine Pitch Quad Flat Package No-Lead) with 32 pins. This type of package is compact and suitable for applications where board space is limited, providing efficient pin connections without the bulkiness of traditional leaded packages.

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