STMicroelectronics STM32L412K8U6TR

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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, Quad SPI, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, PWM, WDT
Number of I/O 26
Program Memory Size 64KB (64K 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 32-UFQFPN (5x5)
Package / Case 32-UFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L412K8U6TR is a low-power ARM Cortex-M4 MCU from STMicroelectronics, running at 80MHz with 64KB flash and 40KB RAM. It features brown-out detection, DMA, PWM, and WDT in a compact 32-UFQFN package. Operating from 1.71V to 3.6V and -40°C to 85°C, it is optimized for battery-powered and space-constrained applications.

  • ARM Cortex-M4 with FPU: Provides DSP capabilities for signal processing and floating-point math.
  • Ultra-Low Power: 1.71V operation and multiple low-power modes extend battery life.
  • Large RAM (40KB): Supports complex real-time operating systems and data buffering.
  • Compact 32-UFQFN: Saves PCB space for miniaturized designs.

IoT Sensor Nodes

The Cortex-M4 at 80MHz with 40KB RAM enables complex sensor fusion and edge processing while maintaining low power.

Wearable Health Monitors

With 1.71V minimum supply and brown-out detection, it ensures stable operation in battery-powered fitness trackers.

Portable Industrial Data Loggers

DMA and PWM support efficient data acquisition and logging from multiple analog sensors.

Smart Home Controllers

The 32-UFQFN package and rich peripherals make it ideal for compact smart switches and thermostats.

Battery Management Systems

Low power consumption and WDT provide reliable monitoring in lithium-ion battery packs.

Motor Control Drones

High-speed PWM and Cortex-M4 DSP instructions enable precise motor control in small UAVs.

Q: What core does the STM32L412K8U6TR use?
A: It is based on the ARM Cortex-M4 core with FPU, running at up to 80MHz.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V, supporting low-power battery designs.
Q: How much memory is available?
A: It has 64KB flash and 40KB RAM, providing ample space for complex applications.
Q: What package is this part offered in?
A: It comes in a 32-UFQFN package with exposed pad for thermal management.
Base Product Number : STM32L412K8U6
32-bit MCU 40KB RAM 64KB flash 80MHz ARM Cortex-M4 IoT low power STM32 UFQFN-32 wearable
Q: What core does the STM32L412K8U6TR use?
A: It is based on the ARM Cortex-M4 core with FPU, running at up to 80MHz.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V, supporting low-power battery designs.
Q: How much memory is available?
A: It has 64KB flash and 40KB RAM, providing ample space for complex applications.
Q: What package is this part offered in?
A: It comes in a 32-UFQFN package with exposed pad for thermal management.