STMicroelectronics STM32L412RBT6P

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32L4
Packaging Tray |
Core Processor ARM® Cortex®-M4
Core Size 32-Bit Single-Core
Speed 80MHz
Connectivity I2C, Infrared, IrDA, LINbus, Quad SPI, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, PWM, WDT, (External SMPS Required)
Number of I/O 50
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 16x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 64-LQFP (10x10)
Package / Case 64-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L412RBT6P is an ultra-low-power 32-bit MCU from STMicroelectronics, built on the ARM Cortex-M4 core with FPU. It operates at up to 80MHz, providing 128KB flash and 40KB SRAM. With a supply range of 1.71V to 3.6V and rich peripherals including DMA, PWM, and brown-out detection, it is ideal for battery-operated and energy-conscious designs.

  • Ultra-low power consumption: STM32L4 architecture with multiple low-power modes extends battery life in portable devices.
  • High performance: 80MHz Cortex-M4 with FPU accelerates DSP and control algorithms.
  • Large memory: 128KB flash and 40KB SRAM support complex applications and OTA updates.
  • Wide voltage range: 1.71V to 3.6V enables direct battery connection without external regulators.

Battery-Powered IoT Sensors

Ultra-low-power STM32L4 series with 80MHz Cortex-M4 and multiple low-power modes extends battery life in wireless sensor nodes.

Portable Medical Devices

1.71V minimum supply and 40KB RAM support complex signal processing in compact glucose meters and pulse oximeters.

Industrial Process Controllers

DMA and PWM peripherals enable precise motor control and data logging in 4-20mA loop-powered transmitters.

Smart Home Hubs

128KB flash accommodates Zigbee/Thread stacks while the FPU accelerates encryption for secure local control.

Wearable Fitness Trackers

Small 64-LQFP footprint and brown-out detection ensure reliable operation in space-constrained, vibration-prone devices.

Energy Harvesting Systems

Wide voltage range and low quiescent current allow direct operation from solar cells or TEG modules.

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: 64-LQFP package.
Base Product Number : STM32L412RBT6
128KB flash 32-bit MCU 40KB SRAM 64-LQFP 80MHz ARM Cortex-M4 industrial IoT medical STM32 ultra-low-power 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: 64-LQFP package.