STMicroelectronics STM32L452RET6TR
| Parameters | |
|---|---|
| Series | STM32L4 |
| Moisture Sensitivity Level (MSL) | 3 (168 Hours) |
| RoHS Status | ROHS3 Compliant |
| Package / Case | 64-LQFP |
| Mfr | STMicroelectronics |
| Mounting Type | Surface Mount |
| Operating Temperature | -40°C ~ 85°C (TA) |
| Supplier Device Package | 64-LQFP (10x10) |
| Speed | 80MHz |
| Oscillator Type | Internal |
| Core Processor | ARM® Cortex®-M4 |
| RAM Size | 160K x 8 |
| Number of I/O | 52 |
| Peripherals | Brown-out Detect/Reset, DMA, PWM, WDT |
| Voltage - Supply (Vcc/Vdd) | 1.71V ~ 3.6V |
| EEPROM Size | - |
| Program Memory Type | FLASH |
| Connectivity | CANbus, I²C, IrDA, LINbus, MMC/SD, QSPI, SAI, SPI, UART/USART, USB |
| Core Size | 32-Bit Single-Core |
| Program Memory Size | 512KB (512K x 8) |
| Data Converters | A/D 16x12b; D/A 1x12b |
| Package | Tape & Reel (TR) |
| Product Status | Active |
| Base Product Number | STM32L452 |
| REACH Status | REACH Unaffected |
| Standard Package | 1,000 |
| ECCN | 3A991A2 |
| HTSUS | 8542.31.0001 |
STM32L452RET6TR Microcontroller: ARM Cortex-M4 MCU, Ultra-low-power microcontroller
The STM32L452RET6TR is a high-performance, ultra-low-power ARM® Cortex®-M4 microcontroller from STMicroelectronics, featuring a floating-point unit (FPU) and operating at up to 80 MHz. It is part of the STM32L4 series, which is optimized for energy-efficient applications. The device comes in an LQFP-64 package and integrates 512 KB of Flash memory and 160 KB of SRAM, making it suitable for mid-range embedded applications. It operates within a 1.71V to 3.6V supply range, supporting multiple low-power modes to minimize energy consumption. Additionally, it includes advanced peripherals such as USB, CAN, and multiple communication interfaces (I2C, SPI, USART).
STM32L4 Microcontroller IC STM32L452RET6TR Key Features
The STM32L452RET6TR stands out with its ultra-low-power architecture, consuming as little as 28 µA/MHz in Run mode and 8 nA in Standby mode (with RTC). It incorporates hardware encryption (AES-128/256) for secure data processing, along with a true random number generator (TRNG). The microcontroller includes a 12-bit ADC (up to 5 Msps), dual DACs, and multiple timers (PWM, capture/compare) for precision control applications. It also supports USB 2.0 Full Speed (with PHY) and CAN 2.0B, making it ideal for communication-heavy designs. The FlexPowerControl feature allows dynamic voltage scaling for further power optimization.
STM32L452RET6TR Applications
The STM32L452RET6TR is widely used in battery-powered IoT devices, wearable electronics, medical sensors, and industrial automation systems. Its ultra-low-power capabilities make it ideal for smart meters, wireless sensor nodes, and portable health monitors. The integrated AES encryption and secure firmware installation (SFI) enhance its suitability for secure access control systems and encrypted communication modules. Additionally, its rich peripheral set enables applications in motor control, HMI (Human-Machine Interface) panels, and consumer electronics requiring energy efficiency and real-time processing.
Selection Advantages of STM32L452RET6TR
Choosing the STM32L452RET6TR provides several competitive benefits:
- Best-in-class power efficiency for extended battery life in portable applications.
- Enhanced security features (AES, TRNG, secure boot) for IoT and industrial safety-critical systems.
- Rich connectivity options (USB, CAN, I2C, SPI, UART) for versatile interfacing.
- High-performance Cortex-M4 core with FPU, enabling efficient digital signal processing (DSP).
- Comprehensive STM32 ecosystem, including STM32CubeMX, HAL libraries, and extensive development boards (Nucleo, Discovery).
- Wide operating voltage range (1.71V–3.6V), supporting various power supply configurations.
