STM32L432KCU6
Manufacturer: STMicroelectronics
Part Number: STM32L432KCU6
Attribute | Value |
cate_name | Microcontrollers (MCU) |
Datasheet | STM32L432KCU6 STMicroelectronics |
rohs | Compliance |
reference_package | UFQFPN-32 |
mounting | SMD mount |
application_level | Industrial |
lifecycle | On sale |
spm | tray |
min_operating_temperature | -40℃(TA) |
max_operating_temperature | 85℃(TA) |
length_width_height | 5mm(length)*5mm(width) |
core_processor | ARM® Cortex®-M4 |
data_bus_width | 32bit |
data_converter | A/D 10x12b,D/A 2x12b |
eeprom | - |
interface_type | CANbus,I2C,IrDA,LINbus,QSPI,SAI,SPI,SWPMI,UART,USART,USB |
max_clock_frequency | 80MHz |
max_operating_supply_voltage | 3.6V |
min_operating_supply_voltage | 1.71V |
number_of_cpu_cores | 1 |
number_of_ios | 26 |
oscillator_type | inside |
peripherals | Under voltage detection/reset, DMA, PWM, WDT |
program_memory_size | 256KB |
program_memory_type | FLASH |
ram_size | 64KB |
speed | 80MHz |
voltage_supply_vcc_vdd | 1.71V~3.6V |
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Overview:
The STM32L432KCU6 is a high-performance microcontroller from STMicroelectronics, designed for demanding applications that require low power consumption and high processing capabilities. It is part of the STM32L4+ series, which is known for its advanced features and energy efficiency, making it an ideal choice for a wide range of applications from industrial automation to consumer electronics.
Features:
1. Processor: The STM32L432KCU6 is equipped with an ARM Cortex-M4 CPU that operates at up to 80 MHz, providing high computational power with low power consumption.
2. Memory: It includes 256 KB of Flash memory and 64 KB of RAM, ensuring ample storage for complex applications and fast data processing.
3. Connectivity: The microcontroller features a rich set of communication interfaces, including USB, UART, SPI, I2C, and CAN, facilitating easy integration with various peripherals and networks.
4. Power Management: With a wide operating voltage range (1.71 V to 3.6 V) and advanced power-saving features, it is designed for energy-efficient operation.
5. Security: It includes a hardware cryptographic module, secure boot, and other security features to protect against unauthorized access and data breaches.
Development Support:
STMicroelectronics provides comprehensive development support for the STM32L432KCU6, including:
- Software: A variety of software development tools, libraries, and middleware to ease the development process.
- Hardware: Development boards and kits that allow developers to prototype and test their applications quickly.
- Documentation: Extensive documentation, including datasheets, reference manuals, and application notes.
Application Areas:
The STM32L432KCU6 is suitable for a broad spectrum of applications, such as:
- Industrial Automation: Due to its robustness and connectivity options.
- Medical Devices: Benefiting from its low power consumption and high reliability.
- Consumer Electronics: For devices that require a good balance between performance and energy efficiency.
- IoT Devices: Given its connectivity features and support for secure communications.
Parameter Introduction:
- Core: ARM Cortex-M4
- Frequency: Up to 80 MHz
- Flash Memory: 256 KB
- RAM: 64 KB
- Package: UFQFPN48
- Operating Voltage: 1.71 V to 3.6 V
- Temperature Range: -40°C to 125°C
Frequently Asked Questions (FAQs):
1. Q: What makes the STM32L432KCU6 suitable for low-power applications?
A: Its ARM Cortex-M4 core, along with advanced power-saving features and a wide operating voltage range, allows it to operate efficiently at low power levels.
2. Q: Can the STM32L432KCU6 be used in secure applications?
A: Yes, it includes a hardware cryptographic module and secure boot capabilities, making it suitable for applications requiring high security.
3. Q: What kind of development tools does STMicroelectronics offer for the STM32L432KCU6?
A: STMicroelectronics provides a range of development tools, including software libraries, middleware, and development boards, to support developers throughout the development process.
4. Q: Is there support for real-time operating systems (RTOS) on the STM32L432KCU6?
A: Yes, the microcontroller supports various RTOS options, allowing developers to create complex, multitasking applications.
5. Q: How does the STM32L432KCU6 compare to other microcontrollers in terms of performance and power consumption?
A: The STM32L432KCU6 offers a high-performance ARM Cortex-M4 core with efficient power management, making it competitive in terms of both performance and energy efficiency.
This summary provides a concise overview of the STM32L432KCU6, highlighting its key features, development support, and potential applications, along with addressing common questions that developers might have.
Please refer to the product rule book for details.








Founded in 1987 through the merger of two government-owned semiconductor companies, SGS Microelettronica of Italy and Thomson Semiconducteurs of France, STMicroelectronics has grown to become a leading integrated device manufacturer. The company is headquartered in Geneva, Switzerland, and operates on a global scale, with around 46,000 employees, 11 main manufacturing sites, advanced research and development centers, and sales offices all over the world.
ST's product portfolio includes a wide range of semiconductor solutions including microcontrollers, sensors, power management ICs, and advanced digital and analog ICs. These products serve a multitude of applications in various industries such as automotive, industrial, personal electronics, communications equipment, and computing. The company is particularly noted for its innovative products in the fields of smart driving and applications requiring high power efficiency and performance.
In the automotive sector, ST is at the forefront of developing technologies for advanced driver-assistance systems (ADAS), electric and hybrid vehicles, and automotive infotainment systems. Its products help improve the safety, efficiency, and performance of vehicles on the road today.
In the industrial market, ST's semiconductors play a crucial role in the automation of factories and industrial processes. This includes everything from motor control systems to advanced robotics and energy management solutions. ST is also a key player in the development of smart grid technology, providing advanced solutions for energy generation, transmission, and distribution.
For personal electronics, ST provides a range of sensors, power management devices, and connectivity solutions that enhance the user experience in mobile phones, wearables, and smart home devices. The company's technologies enable more interactive and energy-efficient products that meet the increasing demands of modern consumers.
ST is also committed to sustainability, with a strong focus on environmental responsibility in its manufacturing processes and product design. The company actively works to reduce its ecological footprint by minimizing energy consumption, using sustainable materials, and adhering to strict environmental standards.
Research and development are central to ST's strategy, with a significant annual investment in R&D to fuel innovation and ensure the company stays at the cutting edge of technology developments. ST holds thousands of patents and is continuously working on new technologies and products to address the evolving needs of its customers and the market.
In conclusion, STMicroelectronics is a pioneer in the semiconductor industry, known for its product innovation, technological leadership, and commitment to sustainability. With a broad range of products and solutions, ST is integral to the advancement of electronics technology across a wide spectrum of applications, driving forward the development of smart, energy-efficient solutions that make a positive impact on people's lives and the environment.
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