Ultra-low-power ARM Cortex M0+ MCUs with segment LCD controller
In Atmel’s family of secure, ARM Cortex M0+-based MCUs, the SAM L22 series, the Atmel | SMART SAM L series claims to be the highest scoring product family in the EEMBC ULPbench, the leading independent low-power benchmark. The devices offer an ultra-low power capacitive touch with a segment LCD controller that can deliver up to 320 segments, suiting the devices for low-power applications including thermostats, electric/gas/water meters, home control, medical and access systems.
SAM L22 delivers advanced security features with 256-bit 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 256 kB of Flash and 32 kB of SRAM, crystal-less USB device, programmable Serial Communication modules (SERCOM) and Atmel’s Event System and Sleepwalking technologies.
The SAM L22 Atmel Xplained Pro is an 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, 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 demonstrates Atmel MCU/MPU features and capabilities, and can be customized with a wide range of expansion boards.
Atmel; www.atmel.com/products/microcontrollers/arm/default.aspx
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