STMicroelectronics STM32L452CEU3

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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, QSPI, SAI, SPI, UART/USART, USB
Peripherals Brown-out Detect/Reset, DMA, PWM, WDT
Number of I/O 38
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 10x12b; D/A 1x12b
Oscillator Type Internal
Operating Temperature -40°C ~ 125°C (TA)
Grade -
Qualification AEC -
Mounting Type Surface Mount
Supplier Device Package 48-UFQFPN (7x7)
Package / Case 48-UFQFN Exposed Pad
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L452CEU3 from STMicroelectronics is an ultra-low-power ARM Cortex-M4 microcontroller running at 80MHz. It features 512KB of flash and 160KB of SRAM, operating from 1.71V to 3.6V. Housed in a 48-UFQFN package, it is designed for high-performance, power-constrained applications requiring extended temperature ranges.

  • High Efficiency: ARM Cortex-M4 with FPU delivers superior compute performance per milliwatt.
  • Large Memory: 512KB flash and 160KB SRAM support complex RTOS-based applications.
  • Extended Temperature: -40°C to 125°C operation ensures reliability in harsh conditions.
  • Advanced Peripherals: DMA and PWM enable efficient data movement and control.

Industrial IoT Gateways

The Cortex-M4 core with DSP instructions and 512KB flash enables edge processing and protocol aggregation.

Portable Medical Devices

Ultra-low-power operation (1.71V-3.6V) and high-temperature tolerance support wearable health monitors.

Smart Building Controllers

DMA and PWM peripherals allow efficient control of lighting and HVAC systems with minimal CPU load.

Battery-Powered Sensors

The low-voltage range and WDT ensure long battery life in wireless sensor nodes.

Automotive Body Electronics

125°C rating and robust features make it suitable for under-hood and cabin control modules.

Precision Motor Control

High-speed PWM and 80MHz processing enable smooth, accurate motor drives in robotics.

Q: What core does the STM32L452CEU3 use?
A: It is based on the ARM Cortex-M4 core with FPU, running at up to 80MHz.
Q: What is the memory configuration?
A: It offers 512KB of flash and 160KB of SRAM, supporting complex applications.
Q: What is the operating temperature range?
A: It operates from -40°C to 125°C, suitable for extreme environments.
Q: What package is available?
A: It comes in a 48-UFQFN package with exposed pad for improved thermal performance.
Base Product Number : STM32L452CE
160KB SRAM 32-bit MCU 48-UFQFN 512KB Flash 80MHz ARM Cortex-M4 Automotive DMA IoT Medical PWM STM32L4
Q: What core does the STM32L452CEU3 use?
A: It is based on the ARM Cortex-M4 core with FPU, running at up to 80MHz.
Q: What is the memory configuration?
A: It offers 512KB of flash and 160KB of SRAM, supporting complex applications.
Q: What is the operating temperature range?
A: It operates from -40°C to 125°C, suitable for extreme environments.
Q: What package is available?
A: It comes in a 48-UFQFN package with exposed pad for improved thermal performance.