STM32L431CBU6: Ultra-Low Power ARM Cortex-M4 Microcontroller for IoT and Embedded Applications

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Published: 07 June 2025 | Last Updated: 07 June 2025

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STM32L431CBU6

STM32L431CBU6

STMicroelectronics

128KB 128K x 8 FLASH ARM® Cortex®-M4 32-Bit Microcontroller STM32L4 Series STM32L431 3V 48-UFQFN Exposed Pad

Purchase Guide

128KB 128K x 8 FLASH ARM® Cortex®-M4 32-Bit Microcontroller STM32L4 Series STM32L431 3V 48-UFQFN Exposed Pad

Discover why developers in 2025 love the STM32L431CBU6 for its ultra-low power modes, high performance, versatile peripherals, and developer-friendly tools.

Product Introduction

The STM32L431CBU6 stands out in 2025 as a microcontroller that developers admire for its unique strengths. You can rely on its ability to deliver high performance while consuming minimal power. This makes it perfect for energy-sensitive applications like IoT devices and wearables. Its versatility allows it to adapt to diverse use cases, whether you are designing industrial systems or consumer electronics. A rich development ecosystem and a strong support network ensure you have the tools and guidance to succeed with your projects.

Exceptional Power Efficiency 

Ultra-low power modes for extended battery life

The STM32L431CBU6 excels in power efficiency, offering ultra-low power modes that significantly extend battery life. Whether you're designing a wearable device or a remote IoT sensor, this microcontroller ensures your device operates longer without frequent recharging. Its power modes are tailored to meet diverse needs, from minimal energy consumption in idle states to quick wake-up times for active tasks.

Here’s a breakdown of its power consumption in various modes:

Power ModeCurrent Consumption
VBAT mode200 nA
Shutdown mode8 nA
Standby mode28 nA
Standby mode with RTC280 nA
Stop 2 mode1.0 μA
Stop 2 mode with RTC1.28 μA
Run mode (per MHz)84 μA/MHz
Wakeup time from Stop mode4 μs

    

Optimized for IoT and portable devices

This microcontroller is specifically designed for IoT and portable devices. Its ultra-low power consumption, combined with extensive communication interfaces and rich analog peripherals, makes it ideal for modern connected devices. You can rely on its performance benchmarks, such as 1.25 DMIPS/MHz and a CoreMark® score of 273.55, to handle complex tasks efficiently. These features ensure your IoT devices remain responsive while conserving energy.

  • Key highlights for IoT and portable devices:

    • 200 nA in VBAT mode and 8 nA in Shutdown mode.

    • 1.0 μA in Stop 2 mode for low-power operation.

    • Advanced communication protocols for seamless connectivity.

Energy-saving features compared to competitors

The STM32L431CBU6 stands out in energy efficiency when compared to its competitors. Its ULPBench® score of 176.7 and CoreMark® score of 273.55 showcase its superior performance in low-power applications. Here's how it compares:

FeatureSTM32L431CBU6 Value
VBAT mode200 nA
Shutdown mode8 nA
Standby mode28 nA
Stop 2 mode1.0 μA
Run mode84 μA/MHz
ULPBench® score176.7
CoreMark®273.55 (3.42 CoreMark/MHz @ 80 MHz)

These metrics highlight its ability to deliver high performance while consuming less power, making it a reliable choice for energy-sensitive applications.

High Performance with ARM Cortex-M4 Core

Efficient processing with a floating-point unit (FPU)

The STM32L431CBU6 leverages the ARM Cortex-M4 core, which includes a Floating Point Unit (FPU) for single-precision calculations. This feature significantly enhances its ability to handle complex mathematical operations. You can use it to process real-time data in applications like digital signal processing, sensor fusion, and motor control. The FPU reduces the computational load on the CPU, allowing your applications to run faster and more efficiently.

For example, the microcontroller implements a full set of DSP instructions, enabling it to perform tasks like Fast Fourier Transforms (FFT) and filtering with ease. These capabilities make it an excellent choice for applications requiring high-speed data processing without compromising power efficiency.

80 MHz clock speed for demanding applications

With a clock speed of up to 80 MHz, the STM32L431CBU6 delivers the performance needed for demanding applications. This high frequency ensures that your device can handle multiple tasks simultaneously without lag. Whether you're building an industrial control system or a wearable device, this microcontroller provides the speed and responsiveness required for smooth operation.

The ARM Cortex-M4 core achieves a performance of 1.25 DMIPS/MHz, as measured by the Drystone 2.1 benchmark. Combined with its CoreMark score of 273.55 (3.42 CoreMark/MHz), this microcontroller stands out as a powerful yet energy-efficient solution.

MetricScore
DMIPS/MHz1.25 DMIPS/MHz
CoreMark273.55 (3.42 CoreMark/MHz @ 80 MHz)

These benchmarks highlight its ability to deliver high performance while maintaining low power consumption.

Real-world examples of performance in action

The STM32L431CBU6 excels in real-world scenarios, thanks to its combination of high performance and low power consumption. Its ultra-low-power design, based on the ARM Cortex-M4 core, makes it ideal for IoT devices, portable electronics, and industrial systems.

  • Key features that enhance real-world performance:

    • Operates at up to 80 MHz for fast processing.

    • Includes an FPU for efficient mathematical calculations.

    • Implements a memory protection unit (MPU) for enhanced security.

    • Supports a full set of DSP instructions for advanced signal processing.

For instance, in IoT applications, this microcontroller can process sensor data in real time while consuming minimal energy. Its ULPBench score of 176.7 further demonstrates its efficiency in low-power applications.

MetricValue
DMIPS/MHz1.25
CoreMark273.55 (3.42 CoreMark/MHz @ 80 MHz)
ULPBench Score176.7

These features and metrics confirm the STM32L431CBU6 as a reliable choice for developers seeking high performance in energy-sensitive applications.

Versatility for Diverse Applications

Comprehensive peripheral support for various use cases

The STM32L431CBU6 offers a rich set of peripherals, making it adaptable to a wide range of applications. Whether you’re designing a wearable device, an industrial control system, or an IoT sensor, this microcontroller provides the tools you need. Its fast 12-bit ADC (5 Msps) ensures precise analog-to-digital conversions, while its timers support tasks like motor control and signal generation.

Here’s a detailed look at its peripheral capabilities:

FeatureDescription
Flash MemoryUp to 256 Kbyte
SRAM64 Kbyte
ADCFast 12-bit ADC (5 Msps)
TimersOne general-purpose 32-bit timer, one 16-bit PWM timer for motor control, four general-purpose 16-bit timers, two 16-bit low-power timers
Capacitive Sensing ChannelsUp to 21 capacitive sensing channels
Communication InterfacesStandard and advanced communication interfaces
Operating Temperature Range-40 to +125 °C (+130 °C junction)
Power Supply1.71 to 3.6 V
Power-Saving ModesComprehensive set for low-power applications

These features ensure the STM32L431CBU6 can handle diverse tasks efficiently, making it a reliable choice for developers.

Advanced communication protocols for connectivity

Connectivity plays a crucial role in modern applications, and the STM32L431CBU6 excels in this area. It supports advanced communication protocols, including SPI, I2C, UART, and CAN, enabling seamless data exchange between devices. You can use these interfaces to connect sensors, actuators, or external modules, ensuring your system remains responsive and interconnected.

For IoT applications, its communication capabilities allow devices to transmit data securely and reliably. The microcontroller’s independent power supplies for analog components further enhance its performance in communication-intensive scenarios.

Scalability within the STM32L4 series for future-proofing

The STM32L431CBU6 belongs to the STM32L4 series, which offers scalability for future-proofing your designs. You can start with this microcontroller and easily transition to other models within the series as your project requirements evolve. The STM32L4 series provides options with varying memory sizes, pin counts, and peripheral sets, ensuring you have the flexibility to adapt to new challenges.

This scalability makes the STM32L431CBU6 ideal for long-term projects. Its compatibility with other STM32L4 devices ensures you won’t need to overhaul your design when upgrading or expanding your system.

Developer-Friendly Ecosystem

STM32Cube ecosystem for seamless development

The STM32Cube ecosystem simplifies your development process. It provides a comprehensive set of tools and software to help you get started quickly. With STM32CubeMX, you can configure your microcontroller’s peripherals using an intuitive graphical interface. This tool generates initialization code, saving you time and reducing errors.

The ecosystem also includes STM32CubeIDE, an integrated development environment that combines code editing, compiling, and debugging in one place. You can use it to streamline your workflow and focus on building your application. Additionally, STM32Cube offers middleware libraries for tasks like USB communication, file systems, and real-time operating systems. These resources make it easier to implement complex features without starting from scratch.

Extensive documentation and tutorials for all skill levels

The STM32L431CBU6 benefits from extensive documentation that caters to both beginners and experienced developers. You can access detailed datasheets, reference manuals, and application notes to understand every aspect of the microcontroller. These resources provide clear explanations and practical examples, helping you overcome challenges during development.

For hands-on learning, STMicroelectronics offers tutorials and video guides. These materials cover topics like peripheral configuration, power optimization, and debugging techniques. Whether you are new to microcontrollers or an expert, these resources ensure you have the knowledge to succeed.

Intuitive tools for debugging and prototyping

Debugging and prototyping become easier with the STM32L431CBU6. The STM32Cube ecosystem includes tools like STM32CubeMonitor, which lets you visualize and analyze runtime data. You can use it to fine-tune your application and identify issues quickly.

For prototyping, the STM32 Nucleo boards provide a convenient platform. These boards are compatible with Arduino shields and feature built-in debuggers, eliminating the need for external hardware. This setup allows you to test your ideas and iterate faster, ensuring a smoother development process.

Strong Community and Long-Term Support

Active forums and online resources for troubleshooting

When you work with the STM32L431CBU6, you gain access to a vibrant community of developers. Online forums like the ST Community and platforms such as Stack Overflow provide a wealth of knowledge. These spaces allow you to ask questions, share experiences, and find solutions to common challenges.

Tip: Searching for specific issues in these forums often leads to quick answers from experienced developers.

You can also explore official resources like the STMicroelectronics website, which offers FAQs and troubleshooting guides. These tools ensure you never feel stuck during your development journey.

Availability of third-party libraries and tools

The STM32L431CBU6 benefits from a wide range of third-party libraries and tools. These resources simplify your development process by providing pre-built solutions for common tasks. For example, you can use libraries for communication protocols, sensor integration, or motor control.

  • Popular third-party tools include:

    • FreeRTOS for real-time operating systems.

    • mbed OS for IoT applications.

    • Segger J-Link for advanced debugging.

These tools save you time and effort, allowing you to focus on creating innovative applications. They also integrate seamlessly with the STM32Cube ecosystem, ensuring a smooth workflow.

Long-term reliability and support from STMicroelectronics

STMicroelectronics ensures long-term support for the STM32L431CBU6. This commitment includes regular firmware updates, ensuring your microcontroller remains secure and up-to-date. You can also rely on their extensive documentation, which is updated to reflect the latest advancements.

Note: STMicroelectronics guarantees product availability for at least 10 years, making it a reliable choice for long-term projects.

This level of support gives you confidence in the durability and reliability of your designs. Whether you are working on consumer electronics or industrial systems, you can trust this microcontroller to deliver consistent performance over time.


The STM32L431CBU6 stands out as a microcontroller that combines power efficiency, performance, and versatility. Its features make it a reliable choice for IoT devices, industrial systems, and consumer electronics. You can benefit from its developer-friendly ecosystem, which simplifies prototyping and debugging. The strong community support ensures you always have access to resources and solutions. Whether you're a beginner or an experienced developer, this microcontroller delivers consistent and efficient performance for your projects.

Tip: Explore the STM32Cube ecosystem to unlock the full potential of the STM32L431CBU6 in your designs.

FAQ

What makes the STM32L431CBU6 ideal for IoT applications?

The STM32L431CBU6 combines ultra-low power modes, advanced communication protocols, and high processing efficiency. These features ensure your IoT devices operate reliably while conserving energy. Its scalability within the STM32L4 series also allows you to adapt your designs as your project grows.


How can I get started with STM32L431CBU6 development?

Use the STM32Cube ecosystem to simplify your development process. Tools like STM32CubeMX help you configure peripherals, while STM32CubeIDE provides an integrated environment for coding and debugging. Nucleo boards offer a great platform for prototyping and testing your ideas.


Does STM32L431CBU6 support real-time applications?

Yes, the ARM Cortex-M4 core includes a Floating Point Unit (FPU) and DSP instructions, making it suitable for real-time tasks like signal processing and sensor fusion. You can also use middleware like FreeRTOS for advanced real-time operating system features.


What debugging tools are available for STM32L431CBU6?

You can use STM32CubeMonitor to visualize runtime data and identify issues. Nucleo boards come with built-in debuggers, eliminating the need for external hardware. Third-party tools like Segger J-Link also provide advanced debugging options.


How long will STMicroelectronics support the STM32L431CBU6?

STMicroelectronics guarantees product availability for at least 10 years. Regular firmware updates ensure your microcontroller stays secure and up-to-date. This long-term support makes it a reliable choice for projects requiring durability.

Specifications

STMicroelectronics STM32L431CBU6 technical specifications, attributes, parameters and parts with similar specifications to STMicroelectronics STM32L431CBU6.
  • Type
    Parameter
  • Lifecycle Status

    Lifecycle Status refers to the current stage of an electronic component in its product life cycle, indicating whether it is active, obsolete, or transitioning between these states. An active status means the component is in production and available for purchase. An obsolete status indicates that the component is no longer being manufactured or supported, and manufacturers typically provide a limited time frame for support. Understanding the lifecycle status is crucial for design engineers to ensure continuity and reliability in their projects.

    ACTIVE (Last Updated: 7 months ago)
  • Factory Lead Time
    12 Weeks
  • Mounting Type

    The "Mounting Type" in electronic components refers to the method used to attach or connect a component to a circuit board or other substrate, such as through-hole, surface-mount, or panel mount.

    Surface Mount
  • Package / Case

    refers to the protective housing that encases an electronic component, providing mechanical support, electrical connections, and thermal management.

    48-UFQFN Exposed Pad
  • Surface Mount

    having leads that are designed to be soldered on the side of a circuit board that the body of the component is mounted on.

    YES
  • Data Converters
    A/D 10x12b; D/A 2x12b
  • Number of I/Os
    39
  • Operating Temperature

    The operating temperature is the range of ambient temperature within which a power supply, or any other electrical equipment, operate in. This ranges from a minimum operating temperature, to a peak or maximum operating temperature, outside which, the power supply may fail.

    -40°C~85°C TA
  • Packaging

    Semiconductor package is a carrier / shell used to contain and cover one or more semiconductor components or integrated circuits. The material of the shell can be metal, plastic, glass or ceramic.

    Tray
  • Series

    In electronic components, the "Series" refers to a group of products that share similar characteristics, designs, or functionalities, often produced by the same manufacturer. These components within a series typically have common specifications but may vary in terms of voltage, power, or packaging to meet different application needs. The series name helps identify and differentiate between various product lines within a manufacturer's catalog.

    STM32L4
  • Part Status

    Parts can have many statuses as they progress through the configuration, analysis, review, and approval stages.

    Active
  • Moisture Sensitivity Level (MSL)

    Moisture Sensitivity Level (MSL) is a standardized rating that indicates the susceptibility of electronic components, particularly semiconductors, to moisture-induced damage during storage and the soldering process, defining the allowable exposure time to ambient conditions before they require special handling or baking to prevent failures

    3 (168 Hours)
  • Number of Terminations
    48
  • Terminal Position

    In electronic components, the term "Terminal Position" refers to the physical location of the connection points on the component where external electrical connections can be made. These connection points, known as terminals, are typically used to attach wires, leads, or other components to the main body of the electronic component. The terminal position is important for ensuring proper connectivity and functionality of the component within a circuit. It is often specified in technical datasheets or component specifications to help designers and engineers understand how to properly integrate the component into their circuit designs.

    QUAD
  • Terminal Form

    Occurring at or forming the end of a series, succession, or the like; closing; concluding.

    NO LEAD
  • Peak Reflow Temperature (Cel)

    Peak Reflow Temperature (Cel) is a parameter that specifies the maximum temperature at which an electronic component can be exposed during the reflow soldering process. Reflow soldering is a common method used to attach electronic components to a circuit board. The Peak Reflow Temperature is crucial because it ensures that the component is not damaged or degraded during the soldering process. Exceeding the specified Peak Reflow Temperature can lead to issues such as component failure, reduced performance, or even permanent damage to the component. It is important for manufacturers and assemblers to adhere to the recommended Peak Reflow Temperature to ensure the reliability and functionality of the electronic components.

    NOT SPECIFIED
  • Supply Voltage

    Supply voltage refers to the electrical potential difference provided to an electronic component or circuit. It is crucial for the proper operation of devices, as it powers their functions and determines performance characteristics. The supply voltage must be within specified limits to ensure reliability and prevent damage to components. Different electronic devices have specific supply voltage requirements, which can vary widely depending on their design and intended application.

    3V
  • Terminal Pitch

    The center distance from one pole to the next.

    0.5mm
  • Time@Peak Reflow Temperature-Max (s)

    Time@Peak Reflow Temperature-Max (s) refers to the maximum duration that an electronic component can be exposed to the peak reflow temperature during the soldering process, which is crucial for ensuring reliable solder joint formation without damaging the component.

    NOT SPECIFIED
  • Base Part Number

    The "Base Part Number" (BPN) in electronic components serves a similar purpose to the "Base Product Number." It refers to the primary identifier for a component that captures the essential characteristics shared by a group of similar components. The BPN provides a fundamental way to reference a family or series of components without specifying all the variations and specific details.

    STM32L431
  • Supply Voltage-Max (Vsup)

    The parameter "Supply Voltage-Max (Vsup)" in electronic components refers to the maximum voltage that can be safely applied to the component without causing damage. It is an important specification to consider when designing or using electronic circuits to ensure the component operates within its safe operating limits. Exceeding the maximum supply voltage can lead to overheating, component failure, or even permanent damage. It is crucial to adhere to the specified maximum supply voltage to ensure the reliable and safe operation of the electronic component.

    3.6V
  • Supply Voltage-Min (Vsup)

    The parameter "Supply Voltage-Min (Vsup)" in electronic components refers to the minimum voltage level required for the component to operate within its specified performance range. This parameter indicates the lowest voltage that can be safely applied to the component without risking damage or malfunction. It is crucial to ensure that the supply voltage provided to the component meets or exceeds this minimum value to ensure proper functionality and reliability. Failure to adhere to the specified minimum supply voltage may result in erratic behavior, reduced performance, or even permanent damage to the component.

    1.8V
  • Oscillator Type

    Wien Bridge Oscillator; RC Phase Shift Oscillator; Hartley Oscillator; Voltage Controlled Oscillator; Colpitts Oscillator; Clapp Oscillators; Crystal Oscillators; Armstrong Oscillator.

    Internal
  • Speed

    In electronic components, "Speed" typically refers to the rate at which data can be processed or transferred within the component. It is a measure of how quickly the component can perform its functions, such as executing instructions or transmitting signals. Speed is often specified in terms of frequency, such as clock speed in processors or data transfer rate in memory modules. Higher speed components can perform tasks more quickly, leading to improved overall performance in electronic devices. It is an important parameter to consider when designing or selecting electronic components for specific applications.

    80MHz
  • RAM Size

    RAM size refers to the amount of random access memory (RAM) available in an electronic component, such as a computer or smartphone. RAM is a type of volatile memory that stores data and instructions that are actively being used by the device's processor. The RAM size is typically measured in gigabytes (GB) and determines how much data the device can store and access quickly for processing. A larger RAM size allows for smoother multitasking, faster loading times, and better overall performance of the electronic component. It is an important factor to consider when choosing a device, especially for tasks that require a lot of memory, such as gaming, video editing, or running multiple applications simultaneously.

    64K x 8
  • Voltage - Supply (Vcc/Vdd)

    Voltage - Supply (Vcc/Vdd) is a key parameter in electronic components that specifies the voltage level required for the proper operation of the device. It represents the power supply voltage that needs to be provided to the component for it to function correctly. This parameter is crucial as supplying the component with the correct voltage ensures that it operates within its specified limits and performance characteristics. It is typically expressed in volts (V) and is an essential consideration when designing and using electronic circuits to prevent damage and ensure reliable operation.

    1.71V~3.6V
  • uPs/uCs/Peripheral ICs Type

    The parameter "uPs/uCs/Peripheral ICs Type" refers to the classification of various integrated circuits used in electronic devices. It encompasses microprocessors (uPs), microcontrollers (uCs), and peripheral integrated circuits that provide additional functionalities. This classification helps in identifying the specific type of chip used for processing tasks, controlling hardware, or interfacing with other components in a system. Understanding this parameter is essential for selecting the appropriate electronic components for a given application.

    MICROCONTROLLER, RISC
  • Core Processor

    The term "Core Processor" typically refers to the central processing unit (CPU) of a computer or electronic device. It is the primary component responsible for executing instructions, performing calculations, and managing data within the system. The core processor is often considered the brain of the device, as it controls the overall operation and functionality. It is crucial for determining the speed and performance capabilities of the device, as well as its ability to handle various tasks and applications efficiently. In modern devices, core processors can have multiple cores, allowing for parallel processing and improved multitasking capabilities.

    ARM® Cortex®-M4
  • Peripherals

    In the context of electronic components, "Peripherals" refer to devices or components that are connected to a main system or device to enhance its functionality or provide additional features. These peripherals can include input devices such as keyboards, mice, and touchscreens, as well as output devices like monitors, printers, and speakers. Other examples of peripherals include external storage devices, network adapters, and cameras. Essentially, peripherals are external devices that expand the capabilities of a main electronic system or device.

    Brown-out Detect/Reset, DMA, PWM, WDT
  • Clock Frequency

    Clock frequency, also known as clock speed, refers to the rate at which a processor or electronic component can execute instructions. It is measured in hertz (Hz) and represents the number of cycles per second that the component can perform. A higher clock frequency typically indicates a faster processing speed and better performance. However, it is important to note that other factors such as architecture, efficiency, and workload also play a significant role in determining the overall performance of a component. In summary, clock frequency is a crucial parameter that influences the speed and efficiency of electronic components in processing data and executing tasks.

    48MHz
  • Program Memory Type

    Program memory typically refers to flash memory when it is used to hold the program (instructions). Program memory may also refer to a hard drive or solid state drive (SSD). Contrast with data memory.

    FLASH
  • Core Size

    Core size in electronic components refers to the physical dimensions of the core material used in devices such as inductors and transformers. The core size directly impacts the performance characteristics of the component, including its inductance, saturation current, and frequency response. A larger core size typically allows for higher power handling capabilities and lower core losses, while a smaller core size may result in a more compact design but with limitations on power handling and efficiency. Designers must carefully select the core size based on the specific requirements of the application to achieve optimal performance and efficiency.

    32-Bit
  • Program Memory Size

    Program Memory Size refers to the amount of memory available in an electronic component, such as a microcontroller or microprocessor, that is used to store program instructions. This memory is non-volatile, meaning that the data stored in it is retained even when the power is turned off. The program memory size determines the maximum amount of code that can be stored and executed by the electronic component. It is an important parameter to consider when selecting a component for a specific application, as insufficient program memory size may limit the functionality or performance of the device.

    128KB 128K x 8
  • Connectivity

    In electronic components, "Connectivity" refers to the ability of a component to establish and maintain connections with other components or devices within a circuit. It is a crucial parameter that determines how easily signals can be transmitted between different parts of a circuit. Connectivity can be influenced by factors such as the number of input and output ports, the type of connectors used, and the overall design of the component. Components with good connectivity are essential for ensuring reliable and efficient operation of electronic systems.

    CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART
  • Bit Size

    In electronic components, "Bit Size" refers to the number of bits that can be processed or stored by a particular component. A bit is the smallest unit of data in computing and can have a value of either 0 or 1. The Bit Size parameter is commonly used to describe the capacity or performance of components such as microprocessors, memory modules, and data buses. A larger Bit Size generally indicates a higher processing capability or storage capacity, allowing for more complex operations and larger amounts of data to be handled efficiently. It is an important specification to consider when selecting electronic components for specific applications that require certain levels of performance and data processing capabilities.

    32
  • Has ADC

    Has ADC refers to the presence of an Analog-to-Digital Converter (ADC) in an electronic component. An ADC is a crucial component in many electronic devices as it converts analog signals, such as voltage or current, into digital data that can be processed by a digital system. Having an ADC allows the electronic component to interface with analog signals and convert them into a format that can be manipulated and analyzed digitally. This parameter is important for applications where analog signals need to be converted into digital form for further processing or control.

    YES
  • DMA Channels

    DMA (Direct Memory Access) Channels are a feature found in electronic components such as microcontrollers, microprocessors, and peripheral devices. DMA Channels allow data to be transferred directly between peripherals and memory without involving the CPU, thereby reducing the burden on the CPU and improving overall system performance. Each DMA Channel is typically assigned to a specific peripheral device or memory region, enabling efficient data transfer operations. The number of DMA Channels available in a system determines the concurrent data transfer capabilities and can vary depending on the specific hardware design. Overall, DMA Channels play a crucial role in optimizing data transfer efficiency and system performance in electronic devices.

    YES
  • PWM Channels

    PWM Channels, or Pulse Width Modulation Channels, refer to the number of independent PWM outputs available in an electronic component, such as a microcontroller or a motor driver. PWM is a technique used to generate analog-like signals by varying the duty cycle of a square wave signal. Each PWM channel can control the output of a specific device or component by adjusting the pulse width of the signal. Having multiple PWM channels allows for precise control of multiple devices simultaneously, making it a valuable feature in applications such as motor control, LED dimming, and audio signal generation. The number of PWM channels available in a component determines the flexibility and complexity of the system it can control.

    YES
  • Length
    7mm
  • Width
    7mm
  • RoHS Status

    RoHS means “Restriction of Certain Hazardous Substances” in the “Hazardous Substances Directive” in electrical and electronic equipment.

    ROHS3 Compliant
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STM32L431CBU6

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