STM32L431CBT6
- Mfr.Part #
- STM32L431CBT6
- Manufacturer
- STMicroelectronics
- Package / Case
- 48-LQFP
- Datasheet
- Download
- Description
- IC MCU 32BIT 128KB FLASH 48LQFP
- Stock
- 6,000
- In Stock :
- 6,000
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- Manufacturer :
- STMicroelectronics
- Product Category :
- Microcontrollers
- Height :
- 1.6mm
- Packaging :
- Tray
- Factory Lead Time :
- 12 Weeks
- Length :
- 7mm
- Bit Size :
- 32
- Program Memory Size :
- 128KB 128K x 8
- Has ADC :
- yes
- Mounting Type :
- Surface Mount
- uPs/uCs/Peripheral ICs Type :
- MICROCONTROLLER, RISC
- Lifecycle Status :
- ACTIVE (Last Updated: 7 months ago)
- Base Part Number :
- STM32L431
- Core Processor :
- ARM® Cortex®-M4
- Operating Temperature :
- -40°C~85°C TA
- Program Memory Type :
- Flash
- Package / Case :
- 48-LQFP
- Interface :
- CAN, I2C, IrDA, LIN, SMBus, SPI, UART, USART
- Number of Timers/Counters :
- 9
- Peak Reflow Temperature (Cel) :
- NOT SPECIFIED
- Moisture Sensitivity Level (MSL) :
- 3 (168 Hours)
- Number of ADC Channels :
- 10
- Number of I2C Channels :
- 3
- Max Junction Temperature (Tj) :
- 105°C
- RoHS Status :
- ROHS3 Compliant
- Series :
- STM32L4
- DMA Channels :
- yes
- Memory Size :
- 128kB
- Connectivity :
- CANbus, I2C, IrDA, LINbus, QSPI, SAI, SPI, SWPMI, UART/USART
- Ambient Temperature Range High :
- 85°C
- PWM Channels :
- yes
- Voltage - Supply (Vcc/Vdd) :
- 1.71V~3.6V
- Time@Peak Reflow Temperature-Max (s) :
- NOT SPECIFIED
- Peripherals :
- Brown-out Detect/Reset, DMA, PWM, WDT
- Terminal Pitch :
- 0.5mm
- Number of I/O :
- 39
- Terminal Position :
- QUAD
- Surface Mount :
- yes
- Frequency :
- 80MHz
- RAM Size :
- 64K x 8
- Number of Terminations :
- 48
- Number of A/D Converters :
- 1
- Oscillator Type :
- Internal
- Number of UART Channels :
- 4
- Data Bus Width :
- 32b
- Data Converter :
- A/D 10x12b; D/A 2x12b
- Core Size :
- 32-Bit
- Supply Voltage :
- 3V
- Terminal Form :
- Gull wing
- Datasheets
- STM32L431CBT6

Microcontrollers STMicroelectronics STM32L431CBT6 Overview
The STM32L431CBT6 by STMicroelectronics stands out in the realm of Microcontrollers due to its advanced architecture and power efficiency. Engineered for challenging applications where power efficiency and processing power are critical, this device integrates a 32-bit ARM Cortex-M4 core with a robust 128KB flash memory. The presence of the ARM Cortex-M4 core enables not only efficient processing but also precise handling of floating-point computations without requiring an external math coprocessor. This makes the STM32L431CBT6 an ideal choice for designers looking to develop advanced and compact electronic products.
STM32L431CBT6 Features
The STM32L431CBT6 microcontroller is packed with features designed for versatile applications. It operates within a -40°C to +85°C temperature range, ensuring reliability under extreme conditions. With a clock speed up to 80 MHz, it provides ample performance for time-sensitive tasks. Additionally, the device includes numerous peripherals such as multiple timers, real-time clock, USARTs, SPIs, and I2Cs interfaces, which allow for easy expansion and integration into other systems. It also features an ADC with 12-bit resolution, enhancing its suitability for sensor interfacing and data acquisition.
STM32L431CBT6 Applications
- Wearable Devices: Utilized for its low power consumption and small form factor, the STM32L431CBT6 is perfect for smartwatches, fitness bands, and other wearable technology, providing efficient, long-lasting operation.
- Medical Monitoring Systems: Its precision ADC and processing capabilities make it ideal for non-invasive medical devices such as blood pressure monitors and glucose meters, where accurate sensor readings are crucial.
- Industrial Control Systems: The robust I/O capabilities and extended temperature range equip it for demanding industrial environments, controlling machinery, or processing sensor data in real-time.
- Smart Home Automation: In smart thermostats, lighting systems, and security devices, this MCU integrates easily with various sensors and actuators to enhance connectivity and automation within the home.
- Energy Management: Its efficiency and processing power enable applications in smart grid infrastructure, renewable energy sources monitoring, and advanced metering infrastructure, optimizing energy usage.
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