ATSAM3N2CA-CU

Overview

The ATSAM3N2CA-CU is a 32-bit microcontroller based on the ARM Cortex-M3 core, belonging to the SAM3N series. It features 128 kB of Flash program memory and operates at 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 100-pin BGA package.

Feature Summary

• Integrates an ARM Cortex-M3 processor core for efficient 32-bit execution.
• Includes non-volatile Flash memory for persistent code storage.
• Supports standard serial communication protocols via dedicated peripheral controllers.

Applications

• Industrial control systems requiring robust MCU performance
• Consumer electronics utilizing low-power embedded processing
• General-purpose embedded applications with serial interface needs

Procurement Notes

Verify current availability status as the component may be discontinued or subject to limited distribution channels. Confirm package integrity and RoHS compliance documentation prior to integration. Ensure design compatibility with the specified 1.62 V to 1.95 V operating voltage range and 100-pin BGA footprint requirements for successful implementation.

Selection Notes

Select this part when a balance of moderate Flash capacity and extensive I/O count is required within a compact BGA form factor. Consider the 48 MHz speed limit and specific voltage constraints against system power budgets. Evaluate alternative SAM3N variants if higher memory density or different pin counts are necessary for the target application architecture.

Part Context

This unit is part of the Microchip SAM3N family, designed for cost-sensitive applications needing reliable ARM-based processing. The series emphasizes energy efficiency and peripheral integration suitable for battery-operated devices. The specific model targets markets demanding standardized industrial temperature ranges and established development tool support within the Microchip ecosystem.

Replacement Considerations

Consult official Microchip documentation for verified cross-references or lifecycle notices regarding this specific part number before sourcing alternatives.