STM32 MCU range extension focusses on low-power “smart objects”

November 15, 2017 //By Graham Prophet
STM32 MCU range extension focusses on low-power “smart objects”
Next-generation ‘smart objects’ can do more and consume less with STMicroelectronics’ STM32L4+ MCUs. Large memory and new graphics – including specific support for ‘smart-watch’-style displays – meet the needs of wearables.

With features such as an advanced controller, optimized for small, circular displays, that boosts pixel-handling efficiency; and a power-saving architecture enabling richer functionality with longer battery life, this new generation of the STM32L4 series stretches performance to 150 DMIPS (233 ULPMark-CP) at 120 MHz. The MCUs can be the central controller in a full range of fitness bands, smart watches, small medical equipment, smart meters, and smart industrial sensors. All these applications require sophisticated functions, instant responses, and minimal downtime for battery charging, matched by the ultra-efficient STM32L4+.

 

STM32L4+ has processor performance together with the largest on-chip memory for this type of ultra-low-power microcontroller, and the most advanced graphics capabilities for smooth and fluid user experiences. The new 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 innovative Chrom-ART Accelerator, which enhances graphics performance. (more architecture details; next page)

 

“We all now expect smart objects to fit seamlessly into our lives, anticipating our needs, yet requiring minimal attention themselves,” said Michel Buffa, Microcontroller Division General Manager, STMicroelectronics. “Leveraging the controllers’ largest-in-class memory and super-efficient graphics capabilities, STM32L4+ microcontrollers series will enable new classes of smart products with more sophisticated features and smoother interactions.”

 

Designers using the STM32L4+ series can use the extensive STM32 development ecosystem, which helps streamline design and minimize time to market. The ecosystem provides affordable prototyping boards, software examples, free tools, and high-quality 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 new devices, with improved performance.

 

The STM32L4+ devices, in various package options start at $6.52 (10,000).

 

ST; www.st.com/stm32l4-plus

 

next page; more device details..


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