STMicroelectronics STM32L452VET6

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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
Number of I/O 83
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 100-LQFP (14x14)
Package / Case 100-LQFP
ROHS RoHS Compliant - Hazardous Substance Free Electronic Components | HQICKEY

The STM32L452VET6 from STMicroelectronics is an ultra-low-power ARM Cortex-M4 microcontroller. It offers 512KB flash and 160KB SRAM, running at 80MHz. With a supply range of 1.71V to 3.6V and an operating temperature of -40°C to 85°C, it suits battery and industrial applications. Integrated brown-out detection, DMA, PWM, and WDT enhance system robustness.

  • Ultra-low-power architecture extends battery life in portable and IoT devices.
  • ARM Cortex-M4 with FPU accelerates math-intensive tasks like DSP filtering.
  • Large 512KB flash enables over-the-air update staging and complex application code.
  • Wide voltage range (1.71V-3.6V) supports direct coin-cell or single-cell Li-ion operation.

IoT Edge Nodes

The 1.71V minimum supply and multiple low-power modes allow battery operation for years, while 512KB flash stores firmware and local analytics.

Portable Medical Devices

ARM Cortex-M4 with FPU accelerates signal processing for ECG or glucose monitors, and the 85°C rating covers body-worn use.

Smart Meters

160KB SRAM supports complex metrology algorithms and communication buffers, while DMA handles sensor reads without CPU intervention.

Industrial Sensor Hubs

The 80MHz core and rich peripheral set enable multi-protocol sensor aggregation (I2C, SPI, UART) in a single chip.

Wearable Fitness Trackers

Low power consumption and small 100-LQFP footprint fit compact PCBs, and brown-out detection ensures reliable reset on low battery.

Building Automation Controllers

PWM outputs drive LED dimmers or valve actuators, while WDT provides fail-safe operation in unattended environments.

Q: What is the maximum clock speed of the STM32L452VET6?
A: It runs at up to 80MHz using the ARM Cortex-M4 core with FPU.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V, supporting battery-powered designs.
Q: How much flash and SRAM are available?
A: It has 512KB flash and 160KB SRAM.
Q: Does it support low-power modes?
A: Yes, it features multiple low-power modes including Stop and Standby, ideal for IoT.
Q: What package is used?
A: It is available in a 100-LQFP package.
Base Product Number : STM32L452VET6
100-LQFP 160KB SRAM 512KB flash 80MHz ARM Cortex-M4 DMA industrial IoT medical PWM STM32L4 ultra-low-power
Q: What is the maximum clock speed of the STM32L452VET6?
A: It runs at up to 80MHz using the ARM Cortex-M4 core with FPU.
Q: What is the supply voltage range?
A: It operates from 1.71V to 3.6V, supporting battery-powered designs.
Q: How much flash and SRAM are available?
A: It has 512KB flash and 160KB SRAM.
Q: Does it support low-power modes?
A: Yes, it features multiple low-power modes including Stop and Standby, ideal for IoT.
Q: What package is used?
A: It is available in a 100-LQFP package.