ATSAMD21E18A-AFT - Microchip Technology

Manufacturer Part Number

ATSAMD21E18A-AFT

Manufacturer

Microchip Technology

Introduction

The ATSAMD21E18A-AFT is a powerful ARM Cortex-M0+ based microcontroller designed to address advanced control and connectivity requirements in embedded designs. It is part of Microchip's SAM D21E series, focusing on functional safety (FuSa) and optimized for automotive applications.

Product Features and Performance

32-Bit Single-Core ARM Cortex-M0+ Processor

Operating speed up to 48MHz

Comprehensive connectivity options including I2C, LINbus, SPI, UART/USART, USB

Advanced peripherals: Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT

26 programmable I/O lines

256KB Flash Memory and 32KB SRAM

Integrated 10x12b A/D and 1x10b D/A converters

Internal oscillator for reliable timing

Supports operating temperatures from -40°C to 125°C

Product Advantages

High performance with low power consumption

Broad range of connectivity options for various applications

Robust set of peripherals enhances functionality

Suitable for safety-critical automotive applications due to FuSa features

AEC-Q100 qualified for automotive reliability

Key Technical Parameters

Core: ARM Cortex-M0+, 32-bit

Speed: 48MHz

Program Memory: 256KB FLASH

RAM: 32K x 8

I/O Number: 26

Voltage Supply: 1.62V to 3.6V

Analog to Digital Converters: 10 channels, 12-bit

Digital to Analog Converter: 1 channel, 10-bit

Operating Temperature: -40°C to +125°C

Packaging: 32-TQFP

Automotive Grade with AEC-Q100 qualification

Quality and Safety Features

Functional Safety capabilities (FuSa) for critical applications

Brown-out Detect/Reset ensures stable operation under fluctuating power

Watchdog Timer (WDT) for system recovery

Compatibility

Seamless integration with Microchip's product ecosystem

Wide range of supported communication protocols for easy system expansion

Application Areas

Automotive control systems

Industrial automation

Smart connected devices

Safety-critical applications requiring functional safety (FuSa)

Product Lifecycle

Currently in active production

Not nearing discontinuation, with ongoing support and possible future upgrades

Several Key Reasons to Choose This Product

Advanced core and high-speed processing capabilities for efficient operation

Enhanced connectivity and peripheral set support diverse application needs

Automotive qualification ensures reliability and performance in harsh environments

Extensive support and documentation available from Microchip Technology

Future-proof design with active lifecycle status and upgrade paths