STMicroelectronics

STM32L431CBU6  

Microcontrollers

The STM32L431CBU6 is a low-power microcontroller unit (MCU) developed by STMicroelectronics. It belongs to the STM32L4 series, which is designed for a wide range of applications that require low power consumption and high performance.

Description:

The STM32L431CBU6 is a 32-bit ARM Cortex-M4 MCU with an FPU (Floating Point Unit) and DSP (Digital Signal Processor) capabilities. It operates at a maximum frequency of 80 MHz and is based on the ARMv7E-M architecture with the TrustZone security extension. The device features a 1 MB Flash memory and 256 KB of RAM.

Features:

1. Core: ARM Cortex-M4 with FPU and DSP capabilities.
2. Operating Frequency: Up to 80 MHz.
3. Memory: 1 MB Flash memory and 256 KB RAM.
4. Power Consumption: Ultra-low power consumption, suitable for battery-powered applications.
5. Security: ARM TrustZone security extension for secure applications.
6. Connectivity: USB OTG FS, two I2Cs, three SPIs, and an SDIO interface.
7. Communication Interfaces: UART, LPUART, and an HDMI-CEC interface.
8. Analog-to-Digital Converter (ADC): 24 channels with up to 16-bit resolution.
9. Digital-to-Analog Converter (DAC): 2 channels with 12-bit resolution.
10. Timers: Advanced control timers, basic timers, and real-time clock (RTC).
11. GPIOs: 41 I/O ports with various alternate functions.
12. Packages: Available in a 100-pin LQFP (Leaded Quad Flat Package) package.

Applications:

The STM32L431CBU6 is suitable for a wide range of applications that require low power consumption and high performance. Some of the potential applications include:

1. Battery-powered devices: IoT devices, wearables, and portable electronics.
2. Industrial automation and control systems: Motor control, sensor interfacing, and data acquisition.
3. Medical devices: Patient monitoring systems, portable medical instruments, and medical equipment control.
4. Smart home and building automation: Smart lighting, HVAC control, and security systems.
5. Consumer electronics: Home appliances, smart TVs, and audio equipment.
6. Renewable energy systems: Solar panel monitoring, energy management, and battery management systems.
7. Automotive applications: In-vehicle infotainment systems, body control modules, and safety systems.

The STM32L431CBU6's low-power capabilities, high performance, and extensive feature set make it a versatile choice for various embedded systems and IoT applications.

STM32L431CBU6 Documents

Download datasheets and manufacturer documentation for STM32L431CBU6

Errata :

STM32L431xx Errata      

PCN Assembly/Origin :

Multi Dev 21/Sep/2022      

Datasheets :

STM32L431xx Datasheet      

Manuals :

STM32F3, F4, L4 Series Prog Manual      

Other Related Documents :

STM32L43, 44, 45, 46 Reference Manual      

HTML Datasheet :

STM32L431xx Datasheet       STM32F3, F4, L4 Series Prog Manual      

PCN Design/Specification :

Mult Dev 25/Oct/2023