STMicroelectronics STM32L412CBT6TR

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32L4
Packaging Cut Tape (CT) | Tape & Reel (TR)
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 ~ 85°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 STM32L412CBT6TR is a low-power ARM Cortex-M4 microcontroller from STMicroelectronics. It operates at 80MHz with 128KB flash and 40KB SRAM. The device supports a wide voltage range from 1.71V to 3.6V, making it ideal for battery-operated equipment. It includes DMA, PWM, a temperature sensor, and a watchdog timer in a 48-LQFP package.

  • Ultra-low power consumption: Multiple low-power modes extend battery life in portable devices.
  • High performance: 80MHz Cortex-M4 with FPU accelerates math-intensive tasks.
  • Wide voltage range: 1.71V to 3.6V supports direct battery connection without regulators.
  • Rich analog features: Integrated temp sensor and DMA reduce external component count.

Battery-Powered IoT Sensors

The 1.71V minimum supply and multiple low-power modes enable long battery life for wireless sensor nodes.

Industrial Control Systems

With 80MHz performance and PWM timers, it handles real-time motor control and process automation tasks.

Portable Medical Devices

The integrated temp sensor and DMA support accurate data logging in compact, low-power health monitors.

Smart Home Hubs

128KB flash provides ample space for communication stacks and local decision-making algorithms.

Wearable Electronics

The 48-LQFP package and 1.71V operation allow for compact, energy-efficient designs.

Data Acquisition Systems

40KB SRAM buffers sensor data before transmission, reducing system wake-up frequency.

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 an ARM Cortex-M4 core with FPU.
Q: How much flash and RAM does it have?
A: 128KB flash and 40KB SRAM.
Q: What package is available?
A: 48-LQFP package.
Q: Does it support low-power modes?
A: Yes, it includes multiple low-power modes for energy efficiency.
Base Product Number : STM32L412CBT6
128KB Flash 32-bit MCU 40KB RAM 48-LQFP 80MHz ARM Cortex-M4 industrial IoT low power medical STM32 wearable
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 an ARM Cortex-M4 core with FPU.
Q: How much flash and RAM does it have?
A: 128KB flash and 40KB SRAM.
Q: What package is available?
A: 48-LQFP package.
Q: Does it support low-power modes?
A: Yes, it includes multiple low-power modes for energy efficiency.