ATSAM3N2AA-MU

Overview

The ATSAM3N2AA-MU is an ARM-based microcontroller from the SAM3N series, featuring a 32-bit ARM Cortex-M3 core. It integrates 128 kB of Flash program memory and operates with a maximum clock frequency of 48 MHz. The device provides 79 general-purpose I/O pins and supports multiple communication interfaces including SPI and UART. It functions within a supply voltage range of 1.62 V to 1.95 V and is rated for industrial temperatures between -40°C and +85°C. The component is housed in a QFN-48 surface-mount package.

Feature Summary

• Integrates a high-performance 32-bit ARM Cortex-M3 processor core
• Includes non-volatile Flash memory for program storage
• Supports standard serial communication protocols such as SPI and UART

Applications

• Industrial control systems requiring robust processing
• Consumer electronics utilizing low-power ARM architectures
• Embedded applications needing reliable serial data transmission

Procurement Notes

Verify the specific suffix 'MU' against official Microchip documentation to confirm the QFN-48 package type and industrial temperature rating. Confirm RoHS compliance status through current datasheets. Check for obsolescence notices or lifecycle changes directly from the manufacturer before procurement planning.

Selection Notes

Select this component when a balance of processing power and pin count is required in a compact form factor. Ensure the design accommodates the 1.62 V to 1.95 V operating voltage range. Verify that the available GPIO count meets interface requirements and that the QFN-48 footprint fits the PCB layout constraints.

Part Context

This part belongs to the SAM3N family of microcontrollers designed for cost-sensitive applications. It shares architectural similarities with other SAM3N variants but differs in memory size and package options. The series targets embedded markets where efficient code execution and peripheral integration are prioritized over extreme performance metrics.