ATSAMD20J18A-AU

$2.96

Description：IC MCU 32BIT 256KB FLASH 64LQFP
Series：SAM D20J
Mfr：Microchip Technology
Package：Tray
Core Processor：ARM® Cortex®-M0+

SKU:0284d61d336d Category: Microcontrollers Brand: Microchip Technology

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Product introduction

Product Detailed Parameters

Description：IC MCU 32BIT 256KB FLASH 64LQFP
Series：SAM D20J
Mfr：Microchip Technology
Package：Tray
Core Processor：ARM® Cortex®-M0+
Core Size：32-Bit Single-Core
Speed：48MHz
Connectivity：I2C, SPI, UART/USART
Peripherals：Brown-out Detect/Reset, POR, WDT
Number of I/O：52
Program Memory Size：256KB (256K x 8)
Program Memory Type：FLASH
EEPROM Size：-
RAM Size：32K x 8
Voltage - Supply (Vcc/Vdd)：1.62V ~ 3.6V
Data Converters：A/D 20x12b; D/A 1x10b
Oscillator Type：Internal
Operating Temperature：-40°C ~ 85°C (TA)
Mounting Type：Surface Mount
Supplier Device Package：64-LQFP (10x10)
Package / Case：64-LQFP
Grade：-
Qualification：-

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ATSAMD20J18A-AU

Overview

The ATSAMD20J18A-AU is a 32-bit microcontroller based on the ARM Cortex-M0+ core, operating at a maximum frequency of 48 MHz. It features 256 KB of in-system programmable Flash memory and 32 KB of SRAM. The device is housed in a 64-LQFP package with 52 available I/O lines. It supports an operating voltage range of 2.7 V to 5.5 V and functions within a temperature range of -40°C to +85°C. Peripheral interfaces include I2C, SPI, and UART/USART.

Feature Summary

Integrates an ARM Cortex-M0+ processor for efficient code execution
Provides substantial non-volatile storage via 256 KB Flash memory
Includes multiple communication peripherals for system connectivity

Applications

General-purpose embedded control systems
Industrial automation controllers
Consumer electronics devices

Procurement Notes

Verify the specific suffix 'AU' corresponds to the 64-LQFP package and commercial temperature grade during sourcing. Confirm RoHS compliance status through official Microchip documentation. Ensure compatibility with existing design tools and programming interfaces before finalizing procurement decisions.

Selection Notes

Select this component when a balance of moderate memory capacity and standard I/O count is required. It suits applications needing 48 MHz processing speed without the complexity of higher-end cores. Consider alternative packages like QFN or BGA if board space constraints differ from the LQFP footprint requirements.

Part Context

This unit belongs to the SAM D20J series within the Microchip SAM family. These microcontrollers are designed for cost-sensitive applications requiring reliable performance. The series shares architectural similarities with other SAM D2x variants, facilitating migration between different memory configurations while maintaining software compatibility.