STM32L431CBU6TR
- Mfr.Part #
- STM32L431CBU6TR
- Manufacturer
- STMicroelectronics
- Package / Case
- 48-UFQFN Exposed Pad
- Datasheet
- Download
- Description
- IC MCU 32BIT 128KB FLSH 48UFQFPN
- Stock
- 48,114
- In Stock :
- 48,114
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Microcontrollers
- Terminal Pitch :
- 0.5mm
- Oscillator Type :
- Internal
- ROM (words) :
- 131072
- Clock Frequency :
- 48MHz
- Mounting Type :
- Surface Mount
- DMA Channels :
- yes
- Packaging :
- Tape and Reel (TR)
- Number of Terminations :
- 48
- Data Converter :
- A/D 10x12b; D/A 2x12b
- Supply Voltage-Max (Vsup) :
- 3.6V
- PWM Channels :
- yes
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Width :
- 7mm
- Surface Mount :
- yes
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Factory Lead Time :
- 12 Weeks
- DAC Channels :
- yes
- Terminal Form :
- NO LEAD
- RoHS Status :
- RoHS Compliant
- Length :
- 7mm
- Package / Case :
- 48-UFQFN Exposed Pad
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Supply Voltage :
- 1.8V
- Connectivity :
- CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART, USB
- Core Processor :
- ARM® Cortex®-M4
- Series :
- STM32L4
- Bit Size :
- 32
- Program Memory Size :
- 128KB 128K x 8
- Program Memory Type :
- Flash
- Has ADC :
- yes
- On Chip Program ROM Width :
- 8
- Core Size :
- 32-Bit
- Number of I/O :
- 38
- Reach Compliance Code :
- Compliant
- RAM Size :
- 64K x 8
- JESD-30 Code :
- S-XQCC-N48
- Voltage - Supply (Vcc/Vdd) :
- 1.71V~3.6V
- Height Seated (Max) :
- 0.65mm
- Operating Temperature :
- -40°C~85°C TA
- RAM (bytes) :
- 65536
- Terminal Position :
- QUAD
- Peripherals :
- Brown-out Detect/Reset, DMA, PWM, WDT
- Supply Voltage-Min (Vsup) :
- 1.71V
- Speed :
- 80MHz
- Datasheets
- STM32L431CBU6TR

Microcontrollers STMicroelectronics STM32L431CBU6TR Overview
The STM32L431CBU6TR by STMicroelectronics is a highly capable microcontroller tailored for demanding applications requiring low power consumption and high performance in a compact form factor. This 32-bit MCU is part of the STM32L4 series, designed to balance power efficiency with processing capability, ensuring optimal performance for a wide range of industrial and commercial applications. With 128KB of flash memory and housed in a 48UFQFPN package, this product offers a reliable solution for developers looking to integrate robust control in their designs.
STM32L431CBU6TR Features
The STM32L431CBU6TR microcontroller is equipped with a Cortex-M4 core which provides enhanced processing capabilities including a floating-point unit for computationally intensive applications. It operates at a maximum frequency of 80 MHz, offering the perfect blend of speed and power efficiency. Its 128KB flash memory is complemented by 64KB of SRAM, providing ample space for application code and data. The device also supports multiple communication interfaces, including I2C, USART, SPI, and USB, making it highly versatile in a variety of settings.
STM32L431CBU6TR Applications
- Wearable Devices: Utilized for its low power consumption and small footprint, the STM32L431CBU6TR is ideal for wearable health monitors, fitness trackers, and smart watches, where long battery life and efficient data processing are crucial.
- Smart Home Automation: This MCU can serve as the central controller for smart home devices such as thermostats, security systems, and lighting controls, providing reliable connectivity and responsive control.
- Industrial Monitoring Systems: Due to its robust operation and extended temperature range, it is suitable for sensors and actuators in harsh industrial environments, ensuring continuous monitoring and control.
- Medical Devices: The STM32L431CBU6TR’s capability to handle complex algorithms efficiently makes it perfect for portable medical devices like blood glucose monitors and handheld diagnostic equipment, enhancing patient care with accurate and immediate results.
- Energy Management: Its efficiency and connectivity features enable this MCU to be used in smart metering solutions and renewable energy controllers, optimizing energy usage and contributing to sustainable practices.
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