ATSAML21E18B-AUT - Microchip Technology

Manufacturer Part Number

ATSAML21E18B-AUT

Manufacturer

Microchip Technology

Introduction

The ATSAML21E18B-AUT is a low-power microcontroller featuring the ARM Cortex-M0+ core, targeted for various embedded applications that require efficiency and power management.

Product Features and Performance

32-Bit ARM Cortex-M0+ Core at 48MHz

Low Power Consumption

256KB of FLASH Program Memory

32KB of RAM

Integrated Digital and Analog Peripherals

Enhanced Peripheral Touch Controller

SERCOM Modules for Serial Communication

USB 2.0 Device Interface

Internal Oscillator for Device Clocking

Full Speed USB Device Interface with embedded Host function

Event System for Inter-Peripheral Communication

CPU Running at up to 48MHz

Product Advantages

Highly energy efficient for battery-powered devices

Embedded Functional Safety Features for reliable operation

Robust Peripheral Touch Controller supporting capacitive touch functionality

Flexible serial communication options

Capable of operating at a wide range of supply voltages

Key Technical Parameters

Core Size: 32-Bit Single-Core

Speed: 48MHz

Number of I/O: 25

Program Memory Size: 256KB (256K x 8)

RAM Size: 32K x 8

Voltage Supply (Vcc/Vdd): 1.62V to 3.63V

A/D 10x12-bit Conversion Capability

D/A 2x12-bit Conversion Capability

Operating Temperature: -40°C to +85°C

Quality and Safety Features

Functional Safety (FuSa) compliance for critical applications

Power-on Reset (POR) for reliable operation at power up

Watchdog Timer (WDT) to recover from fault conditions

Compatibility

Multiple Communication Interfaces for broad peripheral compatibility

SERCOM Modules: I2C, SPI, UART/USART, LINbus

USB Interface for Device and Host capabilities

Mounting Type: Surface Mount, fits standard 32-TQFP packaging

Application Areas

Industrial Control Systems

Automotive applications

Internet of Things (IoT) devices

Portable Medical Devices

Consumer Electronics

Smart Energy Systems

Product Lifecycle

Active status with ongoing manufacturer support

No indication of nearing discontinuation

Replacements and upgrades are maintained by Microchip Technology

Several Key Reasons to Choose This Product

Optimized for low-power applications, enhancing battery life

Broad connectivity options suit diverse applications

Scalability with the Microchip product ecosystem

Support for touch-sensitive inputs without external components

Compliance with Functional Safety standards

Extensive support and documentation available

Strong community and ecosystem for development support