STMicroelectronics STM32L4+ microcontroller series

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The smart electronic objects people interact with every day are made easy to use and run for longer on batteries when designed around ultralow-power microcontrollers from STMicroelectronics. The STM32L4+ devices are the latest generation of the STM32L4 series, stretching performance to 150 DMIPS (233 ULPMark-CP) at 120 MHz.

The product can act as the central controller in a full range of fitness bands, smart watches, small medical equipment, smart meters, smart industrial sensors and more. All these applications require sophisticated functions, instant responses and minimal downtime for battery charging, making the STM32L4+ a suitable fit.

The device offers strong processor performance, with large on-chip memory and good graphics capabilities for smooth and fluid user experiences. The Chrom-GRC graphics controller can handle circular displays (TFT-LCDs) just as efficiently as square ones, without wasting resources managing pixels that are never displayed. Also on-chip is ST’s Chrom-ART Accelerator, which enhances graphics performance.

Designers using the series can use the extensive STM32 development ecosystem, which helps streamline design and minimise time to market. The ecosystem provides prototyping boards, software examples, free tools and third-party software, hardware and integrated development environments (IDEs) as part of the ST Partner Program. Applications developed for the earlier STM32L4 microcontrollers can run unchanged on the latest series, with improved performance.