SAM L21 Family Data Sheet SAM L21 Introduction Atmel® SMART SAM L21 is a series of ultra-low power microcontrollers using 32-bit Arm® Cortex®-M0+ processor at maximum 48 MHz (2.
46 CoreMark®/MHz) and up to 256 KB Flash and 40 KB of SRAM in a 32-pin, 48-pin, and 64-pin packages.
The sophisticated power management technologies, such as power domain gating, SleepWalking, ultra-low power peripherals allow very low-power consumptions.
The highly configurable peripherals include a touch controller supporting capacitive interfaces with proximity sensing.
Features • Processor – Arm Cortex-M0+ CPU running at up to 48 MHz • Single-cycle hardware multiplier • Micro Trace Buffer • Memories – 32/64/128/2...

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