Ultra-Low Power and Security for IoT Come First on New STM32L5 Microcontrollers from STMicroelectronics - Seite 2

“As a market leader in MCUs with a strategic focus in areas like Smart Cities, Smart Buildings, and Smart Industry, ST recognized the importance of a series of MCUs that combined world-class ultra-low-power consumption with industry-leading security and data protection, for mission-critical applications and at-the-edge node processing,” said Ricardo De Sa Earp, Microcontroller Division General Manager, STMicroelectronics. “Applying ST’s expertise in ultra-low-power design and processing technologies and adding our security and data protection on top of the solid foundation of Arm TrustZone and the outstanding STM32 ecosystem, the STM32L5x2 MCUs are ideal for Industrial IoT applications – metering, health (human or machine) monitoring, mobile point-of-sale – that require reliability and security.”

The STM32L5x2 MCUs offer 512 Kbyte dual-bank Flash that allows read-while-write operation to aid device management and the Flash ensures a high level of safety by supporting Error Correction Code (ECC) with diagnostics. There is also a 256Kbyte-SRAM and features to support high-speed external memory including single, dual, quad, or octal SPI and Hyperbus Flash or SRAM, and an interface for SRAM, PSRAM, NOR, NAND or FRAM.

Digital peripherals for the STM32L5x2 include USB Full Speed with dedicated supply, allowing customers to keep USB communication even when the system is powered at 1.8V, and a UCPD controller compliant with USB Type-C Rev. 1.2 and USB Power Delivery Rev. 3.0 specifications. Smart analog features include a state-of-the-art analog-to-digital converter (ADC), two power-gated digital-to-analog converters (DAC), two ultra-low-power comparators, and two operational amplifiers with external or internal follower routing and programmable-gain amplifier (PGA) capability.

As part of the industry-leading STM32 family of MCUs, the STM32L5 series is fully supported by the STM32 ecosystem and features its own STM32CubeL5 one-stop-shop software package, which includes Hardware Abstraction Layer and Low-Level drivers, FreeRTOS, Trusted Firmware-M (TF-M), Secure Boot and Secure Firmware Update (SBSFU), USB-PD device driver, MbedTLS and MbedCrypto, FatFS file system, and Touch Sensing drivers. In addition, the STM32CubeL5 features more than 300 project examples that can run on the STM32L552E-EV evaluation board, STM32L562E-DK discovery kit, and NUCLEO-L552ZE-Q. These projects can be compiled with the Arm Keil development tool, IAR or STM32CubeIDE toolchains, and are delivered with a STM32CubeMX configuration file, enabling easy customization and code update.