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ATSAML21E18B-MUT

MCHPATSAML21E18B-MUT

Microchip Technology
ARM Microcontrollers - MCU ARM Cortex-M0+ 64KB flash 12kb SRAM
2,102 in stock
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Overview

The ATSAML21E18B-MUT is an ultra-low power ARM Cortex-M0+ microcontroller designed for energy-constrained applications. It features 256KB of Flash and 32KB of SRAM, operating at speeds up to 48MHz while maintaining industry-leading power consumption metrics in active and sleep modes. This device includes a sophisticated power management controller and integrated hardware touch support via the Peripheral Touch Controller.

Why Choose This Part

This MCU features the picoPower technology, achieving down to 35 uA/MHz in active mode and less than 1 uA in deep sleep with RAM retention. It includes the Event System, which allows peripherals to communicate directly without CPU intervention, further reducing power consumption during complex tasks.

Applications

Wearable Health Monitors
Utilizes ultra-low power sleep modes and high efficiency for long battery life in fitness trackers and medical patches.
IoT Sensor Nodes
Ideal for battery-operated remote sensors requiring periodic data processing and wireless communication wake-ups.
Capacitive Touch Interfaces
Integrated Peripheral Touch Controller (PTC) enables robust touch buttons, sliders, and wheels without external components.
Smart Locks
Provides secure, low-latency wake-up from deep sleep to handle user authentication and motor control.

Getting Started

Start development using the SAM L21 Xplained Pro evaluation kit (ATSAML21-XPRO-B). Microchip Atmel Studio 7 and MPLAB X IDE provide full toolchain support, including the Power Debugger for real-time visualization of power consumption during code execution.

Also Consider

ATSAMD21E18A-MUT MCHPMicrochip Technology - A pin-compatible alternative from the SAM D family if the ultra-low power picoPower features of the L-series are not strictly required.