STMicroelectronics NUCLEO-L152RE

Overview

NUCLEO-L152RE from STMicroelectronics is a 64-pin STM32 Nucleo-64 development board built around the STM32L152RET6 ultra-low-power Arm® Cortex®-M3 microcontroller (512 KB Flash, 80 KB RAM), featuring integrated ST-LINK/V2-1 debugger/programmer via USB Mini-B, ARDUINO® Uno V3 and ST morpho expansion headers, and a 32.768 kHz crystal for real-time clock applications in battery-powered sensor nodes.

For engineers reviewing the NUCLEO-L152RE datasheet, NUCLEO-L152RE pinout, NUCLEO-L152RE application, or NUCLEO-L152RE equivalent, this board supports rapid prototyping of energy-sensitive embedded systems requiring low-power RTOS operation, secure firmware updates, and analog sensor interfacing with its 12-bit ADC, dual DACs, and AES-128 hardware cryptography engine.

Technical Context

The NUCLEO-L152RE implements the STM32L1 series architecture optimized for sub-100 µA/MHz active current and 0.5 µA Stop mode with RTC and 8 KB SRAM retention. It integrates a 32.768 kHz LSE oscillator for calendar timekeeping and supports external SMPS control via dedicated pins - though this specific board variant does not include on-board SMPS circuitry.

Its ST-LINK/V2-1 subsystem provides mass storage programming, Virtual COM port, and SWD debugging over a single USB Mini-B connection. The board exposes all 50 GPIOs of the LQFP64 MCU package through ST morpho headers and maps key peripherals - including USART, SPI, I²C, USB Device, and 12-bit ADC channels - to ARDUINO®-compatible pins for shield compatibility.

Key Specifications

Availability

NUCLEO-L152RE is available at Aetrix Electronics and suitable for ultra-low-power sensor node development, portable medical device prototyping, and industrial wireless edge node validation requiring stable component supply and long-term toolchain continuity.

Supply support for NUCLEO-L152RE includes scheduled delivery planning, volume procurement assistance, BOM continuity management, traceable sourcing, and lifecycle availability coordination for OEM customers, industrial embedded developers, connected-device designers, and electronics production programs.

Manufacturer

STMicroelectronics is a global semiconductor leader headquartered in Geneva, Switzerland, designing and manufacturing microcontrollers, power ICs, sensors, and analog components for industrial, automotive, and consumer applications.

The STM32 Nucleo-64 platform - including NUCLEO-L152RE - was developed to accelerate evaluation and firmware development for STM32 ultra-low-power MCUs, emphasizing accessibility, IDE interoperability, and hardware expandability without requiring external debug probes.

FAQ

Does NUCLEO-L152RE support USB Device functionality?

Yes - the onboard STM32L152RET6 includes a full-speed USB 2.0 Device interface routed to the ST-LINK USB Mini-B connector. It operates in device-only mode (not host), enabling CDC/VCP, HID, or MSC class implementations directly from the target MCU without additional transceivers.

What is the maximum supported external clock frequency for the MCU on this board?

The STM32L152RET6 supports up to a 32 MHz system clock. While the board lacks a fitted high-speed external crystal (HSE), the MCU's HSE input pins are exposed on the ST morpho header, allowing users to add a 1–24 MHz crystal or oscillator for precise timing-critical applications.

Can the NUCLEO-L152RE be used with STM32CubeIDE and third-party toolchains?

Yes - it is fully supported by STM32CubeIDE, IAR Embedded Workbench®, and Keil MDK-ARM. The ST-LINK/V2-1 interface is natively recognized by all three IDEs for flashing, debugging, and serial monitoring without driver customization or firmware updates.

Is there on-board cryptographic acceleration?

Yes - the STM32L152RET6 includes hardware AES-128 encryption/decryption and true random number generation (TRNG), both accessible via STM32Cube HAL libraries. These features are functional out-of-box and do not require external components or configuration beyond standard MCU initialization.