STMicroelectronics STM32L412CBT3TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32L4
Packaging Tape & Reel (TR) | NULL
Core Processor ARM® Cortex®-M4
Core Size 32-Bit Single-Core
Speed 80MHz
Connectivity I2C, Infrared, IrDA, LINbus, QSPI, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, PWM, Temp Sensor, WDT
Number of I/O 38
Program Memory Size 128KB (128K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 40K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 10x12b SAR
Oscillator Type External, Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-LQFP (7x7)
Package / Case 48-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L412CBT3TR from STMicroelectronics is a high-performance ultra-low-power MCU featuring an ARM Cortex-M4 core running at 80MHz. With 128KB flash and 40KB RAM, it operates from 1.71V to 3.6V in a 48-LQFP package. Integrated peripherals include DMA, PWM, temperature sensor, and watchdog timer, making it ideal for industrial and portable applications.

  • Ultra-low-power operation: 1.71V minimum supply extends battery life in portable designs.
  • High-speed Cortex-M4: 80MHz provides efficient DSP and control processing.
  • Robust temperature range: -40°C to 125°C suits harsh industrial environments.
  • Rich peripheral set: DMA, PWM, and WDT reduce external component count.

Battery-Powered IoT Sensors

Ultra-low-power ARM Cortex-M4 at 80MHz with 1.71V minimum supply enables long-life wireless sensor nodes.

Industrial Control Systems

DMA and PWM peripherals support precise motor control and real-time monitoring in 48-LQFP footprint.

Portable Medical Devices

Wide temperature range (-40°C to 125°C) and 128KB flash suit reliable diagnostic equipment.

Smart Home Automation

Low-voltage operation and WDT ensure stable operation in always-on smart switches and thermostats.

Wearable Electronics

Compact 48-pin package with 40KB RAM handles sensor fusion and display updates efficiently.

Data Logging Systems

Brown-out detect and DMA enable reliable data capture in harsh environments.

Q: What is the operating voltage range?
A: 1.71V to 3.6V, suitable for battery-powered applications.
Q: What is the maximum CPU speed?
A: 80MHz with ARM Cortex-M4 core.
Q: What package is available?
A: 48-LQFP package.
Q: Does it include a temperature sensor?
A: Yes, integrated temp sensor and brown-out reset.
Base Product Number : STM32L412CBT3
128KB flash 32-bit MCU 48-LQFP 80MHz ARM Cortex-M4 battery-powered industrial IoT STM32 ultra-low-power
Q: What is the operating voltage range?
A: 1.71V to 3.6V, suitable for battery-powered applications.
Q: What is the maximum CPU speed?
A: 80MHz with ARM Cortex-M4 core.
Q: What package is available?
A: 48-LQFP package.
Q: Does it include a temperature sensor?
A: Yes, integrated temp sensor and brown-out reset.