STMicroelectronics STM32L471ZET6

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Product attributes Property Value
Manufacturer STMicroelectronics
Product Series STM32L4
Packaging Tray | NULL
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 114
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 24x12b; D/A 2x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 85°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 144-LQFP (20x20)
Package / Case 144-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L471ZET6 is a low-power 32-bit MCU from STMicroelectronics, featuring an ARM Cortex-M4 core with FPU at 80MHz. It provides 512KB of flash and 128KB of SRAM, operating from 1.71V to 3.6V. The 144-LQFP package includes DMA, PWM, and brown-out detection, ideal for energy-efficient industrial and medical applications.

  • High performance with FPU: The 80MHz Cortex-M4 accelerates math-intensive tasks like DSP and control loops.
  • Ultra-low power: 1.71V operation and multiple low-power modes significantly reduce energy consumption.
  • Large memory: 512KB flash and 128KB SRAM support complex applications and multitasking.
  • Extensive I/O: 144-pin package enables connection to many peripherals and sensors.

High-End Wearables

The Cortex-M4 with FPU at 80MHz handles complex sensor fusion and audio processing, while 512KB flash stores rich UI assets.

Smart Grid Infrastructure

With 1.71V operation and robust DMA, it manages power line monitoring and communication in smart meters, ensuring low energy footprint.

Portable Instrumentation

The 144-LQFP package provides many I/Os for multi-channel data acquisition, while the low-power modes extend battery life in field devices.

Medical Implants

Its ultra-low voltage and high integration make it suitable for hearing aids and neurostimulators, where size and power are critical.

Industrial IoT Gateways

The 128KB SRAM supports protocol stacks for MQTT and BLE, enabling seamless cloud connectivity in factory automation.

Automotive Body Electronics

With PWM and WDT, it controls lighting and wiper systems, providing reliable operation in harsh environments.

Q: What is the core processor of the STM32L471ZET6?
A: It uses the ARM Cortex-M4 core with FPU, running at 80MHz.
Q: What is the memory size?
A: It includes 512KB of flash and 128KB of SRAM.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
Q: What package is available?
A: It is offered in a 144-pin LQFP package.
Q: Does it have advanced low-power modes?
A: Yes, it features multiple low-power modes including shutdown and standby, with fast wake-up.
Base Product Number : STM32L471ZE
128KB SRAM 144-LQFP 32-bit MCU 512KB flash 80MHz ARM Cortex-M4 IoT low-power STM32L4 wearable
Q: What is the core processor of the STM32L471ZET6?
A: It uses the ARM Cortex-M4 core with FPU, running at 80MHz.
Q: What is the memory size?
A: It includes 512KB of flash and 128KB of SRAM.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
Q: What package is available?
A: It is offered in a 144-pin LQFP package.
Q: Does it have advanced low-power modes?
A: Yes, it features multiple low-power modes including shutdown and standby, with fast wake-up.