STM32L431RBI6

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STM32L431RBI6

IC MCU 32BIT 128KB FLASH 64UFBGA

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Spécifications

Series STM32L4
Part Status Active
DigiKey Programmable Not Verified
Core Processor ARM® Cortex®-M4
Core Size 32-Bit
Speed 80MHz
Connectivity CANbus, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, PWM, WDT
Number of I/O 52
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
RAM Size 64K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 16x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Mounting Type Surface Mount
Supplier Device Package 64-UFBGA (5x5)
Package / Case 64-UFBGA
Base Product Number STM32L431

Vue d'ensemble

Description

The STM32L431RBI6 is a microcontroller from STMicroelectronics' STM32 family, part of the ultra-low-power L4 series. It is based on the ARM Cortex-M4 core, running at up to 80 MHz, and features a 32-bit architecture designed for energy-efficient applications.
Key specifications include 256 KB of Flash memory, 64 KB of SRAM, and a variety of peripherals such as ADCs, timers, SPI, I2C, and UART interfaces. It also supports multiple power modes, allowing for very low power consumption, making it ideal for battery-operated devices.
The STM32L431RBI6 integrates advanced features like a Digital-to-Analog Converter (DAC), a real-time clock (RTC), and an operational amplifier, providing versatile options for sensor applications and power management.
Development is facilitated by the STM32Cube ecosystem, which includes software libraries and tools for easy integration and rapid prototyping. Applications range from wearable technology to IoT devices, highlighting its suitability for innovative, low-power performance solutions.

Features

The STM32L431RBI6 is a low-power microcontroller from STMicroelectronics, part of the STM32L4 series. Key features include:
- Core: ARM Cortex-M4 with FPU, running up to 110 MHz.
- Memory: 256 KB Flash memory, 64 KB SRAM.
- Low Power: Ultra-low power consumption modes, ideal for battery-operated devices.
- Digital Interfaces: Multiple I2C, SPI, USART, and USB interfaces.
- Analog Features: 12-bit ADC (up to 16 channels), 12-bit DAC, and comparators.
- Timers: Advanced control timer, general-purpose timers, and watchdog timer.
- Security: Hardware cryptographic accelerators and secure firmware installation.
- GPIOs: Up to 37 GPIOs with flexible configurations.
- Operating Voltage: 1.65V to 3.6V.
- Temperature Range: -40°C to 85°C.
The STM32L431RBI6 is well-suited for applications in IoT, wearables, and other low-power applications requiring efficient processing and rich peripheral support.

Package

The STM32L431RBI6 is packaged in a LQFP (Low-Profile Quad Flat Package) with 64 pins.

Pinout

The STM32L431RBI6 microcontroller features a 64-pin LQFP (Low-profile Quad Flat Package) configuration. It belongs to the STM32L4 series, which is known for its ultra-low-power performance.
### Key Pin Functions:
- GPIOs: Multiple General-Purpose Input/Output pins for digital input/output tasks.
- ADC: Up to 16 channels for analog-to-digital conversion.
- DAC: Digital-to-analog converter for outputting analog signals.
- Timers: Several timer channels for PWM and timing functions.
- Communication Interfaces:
- I2C: Two interfaces for connecting to I2C devices.
- SPI: Two interfaces for synchronous data communication.
- USART: Two interfaces for serial communication.
- USB: USB Full-speed device interface.
- SWD: Serial Wire Debug interface for programming and debugging.
- Power Management: Features for low-power modes and battery management.
Overall, the STM32L431RBI6 is designed for applications requiring low power consumption while maintaining a rich set of functionalities.

Manufacturer

The STM32L431RBI6 is manufactured by STMicroelectronics, a global semiconductor company. STMicroelectronics specializes in designing and manufacturing a wide range of semiconductor products, including microcontrollers, sensors, power management devices, and analog ICs. The company is known for its focus on innovation and technology, serving various industries such as automotive, industrial, consumer electronics, and communications. STMicroelectronics is headquartered in Geneva, Switzerland, and operates globally, providing high-performance and energy-efficient solutions for diverse applications.

Application

The STM32L431RBI6 is a low-power microcontroller ideal for battery-operated applications. Key application areas include wearable devices, fitness trackers, medical devices, smart home products, environmental monitoring, and IoT sensors. Its energy efficiency and advanced features, such as Bluetooth Low Energy (BLE) support, make it suitable for real-time data processing and wireless communication in compact designs.

Equivalent

Equivalent products to the STM32L431RBI6 chip include the STM32L432RBI6, STM32L433RBI6, and STM32L476RBI6. These chips share similar architecture and features but may differ in processing speed, memory capacity, or additional peripherals. Always confirm compatibility based on specific application requirements and datasheets.

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