The STM32L552RET6 is a high-performance microcontroller unit (MCU) from STMicroelectronics, which is part of their ultra-low-power STM32L5 series. This MCU is based on the Arm® Cortex®-M33 core with a TrustZone® for Armv8-M, enabling secure and efficient computing. It operates at a frequency of up to 110 MHz, offering a balanced combination of power efficiency and processing capability.

Key Features

• Core: 32-bit Arm® Cortex®-M33 CPU with TrustZone® and FPU.
• Performance: Up to 110 MHz operating frequency.
• Memory: 512 Kbytes of Flash memory, 256 Kbytes of SRAM.
• Security: On-chip hardware cryptographic accelerators, Random Number Generator (RNG), and Hash processor.
• Low Power: Multiple low-power modes to ensure energy efficiency.
• I/O Ports: A rich set of I/Os and peripherals.
• Analog: Analog peripherals including ADCs, DACs, ultra-low-power comparators, and operational amplifiers.
• Connectivity: USB Type-C / USB power delivery controller, USART, SPI, I2C, and LPUART interfaces.

Product Applications

The STM32L552RET6 MCU is designed for a wide range of applications that require both high performance and low power consumption. It is particularly well-suited for:

• Industrial control systems
• IoT devices
• Medical equipment
• Consumer electronics
• Wearables
• Smart home applications

Development Support

STMicroelectronics provides extensive support for the STM32L552RET6 through their software development ecosystem, including the STM32Cube software suite which offers a HAL library, middleware components, and examples to accelerate development. The MCU is also supported by a range of development boards and kits, making it easy for engineers to prototype and test their applications.

Package Information

The STM32L552RET6 comes in a LQFP64 package, which is ideal for space-constrained applications while still offering ample room for connectivity and peripherals.