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STMicroelectronics STM32L471ZET6 — Microcontrollers & Processors (MCU / MPU / DSP)
STMicroelectronics

STM32L471ZET6 STM32L4 ARM Cortex-M4 MCU, 80 MHz

MPNSTM32L471ZET6
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STMicroelectronics STM32L471ZET6, STM32L4 series, 32-bit ARM Cortex-M4 MCU, 80 MHz, 512 KB Flash, 128 KB SRAM, 114 I/O, 144-LQFP, -40°C to 85°C, 1.71 V to 3.6 V supply.

$11.7400Ref. price · indicative, final on quote
STM32L471ZET6 datasheet
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Specifications

STM32L471ZET6 Technical Specifications
ParameterValue
SeriesSTM32L4
Mounting typeSurface Mount
Oscillator typeInternal
Program memory typeFLASH
Voltage - supply (Vcc (Vdd))1.71V ~ 3.6V
Operating temperature-40°C~85°C(TA)
Speed80MHz
PackageTray
RAM size128K x 8
Core size32-Bit Single-Core
PeripheralsBrown-out Detect/Reset, DMA, PWM, WDT
ConnectivityCANbus, EBI/EMI, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, SWPMI, UART/USART
Number of i (O)114
Core processorARM® Cortex®-M4
Case144-LQFP
Data convertersA/D 24x12b; D/A 2x12b
Program memory size512KB (512K x 8)

Product details

The STM32L471ZET6: The 144-LQFP package provides 114 I/O lines, making it a fit for sensor fusion, motor control, industrial automation, and IoT edge nodes where peripheral count and memory headroom matter.

Key peripherals and connectivity for system integration

This MCU integrates a rich set of peripherals: brown-out detect/reset, DMA, PWM, and a watchdog timer for system robustness. Connectivity includes CANbus, EBI/EMI for external memory expansion, I²C, IrDA, LINbus, MMC/SD card, QSPI, SAI, SPI, SWPMI, and multiple UART/USART interfaces. The data converters — a 24-channel 12-bit ADC and two 12-bit DACs — handle analog sensor inputs and control outputs without external components. An internal oscillator reduces BOM count for clock generation.

Frequently asked questions

What are the differences between STM32L471ZET6 and STM32L476ZGT6?

Both are STM32L4 series Cortex-M4 MCUs, but STM32L476ZGT6 offers 1 MB Flash and 128 KB SRAM versus 512 KB Flash on STM32L471ZET6. The L476 variant also includes additional peripherals like a TFT-LCD controller. Package and pin compatibility should be verified against the respective datasheets for a drop-in replacement.