ATSAMD21J18A-AU - Microchip Technology

Manufacturer Part Number

ATSAMD21J18A-AU

Manufacturer

Microchip Technology

Introduction

The ATSAMD21J18A-AU is a high-performance ARM Cortex-M0+ based microcontroller designed for advanced control and connectivity within embedded applications.

Product Features and Performance

Core Processor: ARM Cortex-M0+, 32-Bit Single-Core operating at 48MHz

High connectivity options: I2C, LINbus, SPI, UART/USART, USB

Integrated peripherals include Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT

Features 52 I/O pins for extensive external interfacing

256KB of flash memory and 32KB of RAM for robust applications

Supports voltage supplies from 1.62V to 3.6V

Internal oscillator for reliable timing

A/D Converters: 20 channels x 12bit, D/A Converters: 1 channel x 10bit

Operating Temperature Range: -40°C to +85°C

Product Advantages

Low power consumption due to ARM Cortex-M0+ efficiency

Extensive connectivity and on-chip features reduce external component needs

Adequate memory for complex applications without external chips

Broad voltage range suits various power supplies

High I/O count accommodates complex tasks and connectivity

Key Technical Parameters

Core Size: 32-Bit

Speed: 48MHz

Program Memory Size: 256KB

RAM Size: 32KB

Number of I/O: 52

Voltage Supply: 1.62V ~ 3.6V

Temperature Operation Range: -40°C ~ 85°C

Packaging: 64-TQFP

Quality and Safety Features

Includes Functional Safety (FuSa) features for critical applications

Brown-out Detect/Reset and Power-on Reset (POR) for reliable operation

Compatibility

Compatible with a wide range of development tools from Microchip and third parties

Easy integration in various design ecosystems due to standard communication protocols

Application Areas

Ideal for industrial control, consumer electronics, Internet of Things (IoT) devices, and automation applications

Product Lifecycle

Currently active product with long-life expectancy

Not nearing discontinuation, with Microchip known for supporting products over extended periods

Several Key Reasons to Choose This Product

Advanced and efficient ARM Cortex-M0+ core offers exceptional performance for embedded systems

High integration level with diverse peripherals and connectivity options reduces total system cost

Broad application suitability from IoT to industrial control systems

Long product lifecycle and support from Microchip ensure future-proof designs

Extensive development tools and community support enhance ease of development and speed to market