STMicroelectronics STM32L471RET6

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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 CANbus, EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART
Peripherals Brown-out Detect/Reset, DMA, PWM, WDT
Number of I/O 51
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 128K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 16x12b; D/A 2x12b
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

The STM32L471RET6 is an ultra-low-power ARM Cortex-M4 microcontroller from STMicroelectronics. It runs at 80MHz with 512KB flash and 128KB SRAM. The device features DMA, PWM, and watchdog peripherals. Operating from 1.71V to 3.6V, it comes in a 64-LQFP package, ideal for energy-efficient industrial and portable applications.

  • Ultra-low-power architecture extends battery life.
  • 512KB flash for large application code.
  • 80MHz Cortex-M4 with FPU for efficient math.
  • 64-LQFP package with good thermal performance.

Smart Meters

Low power consumption and 512KB flash support complex metering firmware with long battery life.

Building Automation

Multiple communication interfaces and PWM outputs enable HVAC and lighting control.

Industrial Sensors

80MHz processing with 128KB RAM handles real-time data acquisition and filtering.

Portable Instrumentation

The 1.71V minimum supply allows direct battery operation with minimal power loss.

Medical Monitoring

Reliable brown-out detection and watchdog ensure patient safety in critical devices.

Robotics

DMA and PWM peripherals coordinate multiple motors and sensors efficiently.

Q: What is the core and speed?
A: ARM Cortex-M4 at 80MHz.
Q: What is the supply voltage?
A: 1.71V to 3.6V.
Q: Memory size?
A: 512KB flash and 128KB SRAM.
Q: Package type?
A: 64-LQFP.
Base Product Number : STM32L471RE
128KB RAM 32-bit MCU 512KB Flash 80MHz ARM Cortex-M4 Industrial Low Power LQFP-64 Medical STM32L4
Q: What is the core and speed?
A: ARM Cortex-M4 at 80MHz.
Q: What is the supply voltage?
A: 1.71V to 3.6V.
Q: Memory size?
A: 512KB flash and 128KB SRAM.
Q: Package type?
A: 64-LQFP.