STMicroelectronics

STM32L431CBU6TR  

Microcontrollers

The STM32L431CBU6TR is a low-power microcontroller from STMicroelectronics' STM32L4 series. It is designed for a wide range of applications that require low power consumption and high performance. Here's a brief description of the model, its features, and potential applications:

Description:

The STM32L431CBU6TR is a System-on-Chip (SoC) based on the ARM Cortex-M4 processor with FPU (Floating Point Unit). It operates at a frequency of up to 80 MHz and is manufactured using a 32 nm process technology. The device is part of the STM32L4+ series, which is known for its high energy efficiency and advanced features.

Features:

1. Processor: ARM Cortex-M4 with FPU, capable of running at up to 80 MHz.
2. Memory: Features 256 KB of Flash memory and 64 KB of SRAM.
3. Power Efficiency: Ultra-low power consumption with a power scaling feature that allows for different low-power modes.
4. Connectivity: Offers a range of communication interfaces including I2C, SPI, USART, and USB.
5. Analog-to-Digital Converter (ADC): 24 channels that support up to 12-bit resolution.
6. Digital-to-Analog Converter (DAC): Integrated DAC with 12-bit resolution.
7. Timers: Advanced control timers and basic timers for PWM and other timing functions.
8. Security: Provides a secure boot mode and other security features to protect against unauthorized access.
9. Package: Comes in a 64-pin UFQFPN package, which is suitable for compact and space-constrained applications.

Applications:

Given its combination of low power, high performance, and a rich set of features, the STM32L431CBU6TR is suitable for a variety of applications:

1. IoT Devices: Internet of Things (IoT) applications where low power and connectivity are crucial.
2. Smart Meters: Energy and utility meters that require precise ADCs and low-power operation.
3. Portable Medical Devices: Devices that need to run on batteries for extended periods and require secure operation.
4. Industrial Automation: Control systems and sensor interfaces in industrial environments.
5. Wearable Devices: Fitness trackers and smartwatches that demand a small form factor and low power consumption.
6. Smart Home Applications: Smart lighting, thermostats, and security systems.
7. Sensor Nodes: Environmental monitoring, building automation, and other sensor-based applications.
8. Consumer Electronics: Appliances with embedded intelligence, such as smart appliances and home entertainment systems.

The STM32L431CBU6TR is just one of many variants in the STM32L4 series, and its specific features make it suitable for applications where a balance between performance, power efficiency, and cost is required.

STM32L431CBU6TR Documents

Download datasheets and manufacturer documentation for STM32L431CBU6TR

PCN Assembly/Origin :

Multi Dev 21/Sep/2022      

Datasheets :

STM32L431CB      

PCN Design/Specification :

Mult Dev 25/Oct/2023