STMicroelectronics STM32L452RET6P

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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, I2C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, PWM, WDT, (External SMPS Required)
Number of I/O 52
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
EEPROM Size -
RAM Size 160K x 8
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.6V
Data Converters A/D 16x12b; D/A 1x12b
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 STM32L452RET6P is a low-power ARM Cortex-M4 microcontroller from STMicroelectronics. It balances performance and efficiency with an 80MHz core, 512KB flash, and 160KB SRAM. Its wide voltage range and rich peripheral set make it suitable for industrial and consumer applications.

  • Ultra-low power consumption: 1.71V operation extends battery life in portable designs.
  • High memory density: 512KB flash and 160KB RAM support complex firmware.
  • DSP instructions: Cortex-M4 core accelerates math-heavy signal processing.
  • Robust safety: Brown-out reset and watchdog timer enhance system reliability.

Industrial Sensor Hub

With 512KB flash and 160KB RAM, it can aggregate multiple sensor inputs while running complex calibration algorithms at 80MHz.

Battery-Powered IoT Gateway

The 1.71V minimum supply and low-power modes enable years of operation from a single coin cell.

Motor Control Node

Integrated PWM timers and DMA allow precise, jitter-free control of brushless DC motors.

Portable Medical Device

The Cortex-M4 DSP instructions accelerate ECG filtering and heart-rate variability analysis.

Smart Metering

Brown-out detection and WDT ensure reliable operation in fluctuating grid environments.

Audio Processing

The 80MHz core with DSP extensions handles real-time audio effects and voice recognition.

Q: What is the operating voltage range of the STM32L452RET6P?
A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
Q: What is the maximum CPU speed?
A: The ARM Cortex-M4 core runs at up to 80MHz.
Q: How much flash and RAM does it have?
A: It features 512KB flash and 160KB RAM.
Q: What package is available?
A: It comes in a 64-LQFP package.
Q: Does it require an external SMPS?
A: Yes, an external SMPS is required for certain power modes.
Base Product Number : STM32L452RET6
160KB RAM 32-bit MCU 512KB Flash 80MHz ARM Cortex-M4 Industrial IoT Low Power LQFP-64 Motor Control STM32
Q: What is the operating voltage range of the STM32L452RET6P?
A: It operates from 1.71V to 3.6V, supporting low-power battery applications.
Q: What is the maximum CPU speed?
A: The ARM Cortex-M4 core runs at up to 80MHz.
Q: How much flash and RAM does it have?
A: It features 512KB flash and 160KB RAM.
Q: What package is available?
A: It comes in a 64-LQFP package.
Q: Does it require an external SMPS?
A: Yes, an external SMPS is required for certain power modes.