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ARM Cortex M0+ MCUs feature segment LCD controller

21 Aug 2015

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Atmel Corp. has announced the SAM L22 series as the latest addition to its family of secure ARM Cortex M0+-based MCUs with the SAM L22 series. According to the company, the SMART SAM L series is the highest scoring product family in the EEMBC ULPBench.

The devices claim to offer an ultra-low power capacitive touch with a segment LCD controller that can deliver up to 320 segments, making the devices ideal for low-power applications including thermostats, electric/gas/water meters, home control, medical and access systems.

The Internet of Things (IoT) is driving connectivity in various battery-powered devices making security and ultra-low power critical features in these devices. The SAM L22 series delivers advanced security features with 256bit AES, cyclic redundancy check (CRC), true random number generator, Flash protection and tamper detection to ensure information is securely stored, delivered and accessible. To get the lowest possible power consumption, the devices use Atmel's proprietary picoPower technologies and smart low-power peripherals that work independently of the CPU in sleep modes.

In addition to segment LCD supporting up to eight communication lines, capacitive touch sensing and built-in security measures, the SAM L22 series features up to 256kB of Flash and 32KB of SRAM, crystal less USB device, programmable serial communication modules (SERCOM) and Atmel's patented Event System and Sleepwalking technologies.

To accelerate designs, the SAM L22 Atmel Xplained Pro is available, a professional evaluation board featuring an on-board debugger and standardised extension connectors. The SAM L22 Xplained Pro is fully supported by Atmel Studio, a free IDE that features power profiling tools for the SAM L22 board, making it easy to optimise the application and calculate average power consumption. Atmel Xplained development kits are low-cost, easy-to-use, fast prototyping and evaluation platforms for Atmel AVR and Atmel | SMART ARM-based MCUs. The kit is ideal for demonstrating Atmel MCU/MPU features and capabilities, and can be customized with a wide range of expansion boards.

The Atmel SAM L22 series is sampling. Production release is scheduled for December 2015.




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