ATSAM3N1BB-AU

Overview

The ATSAM3N1BB-AU is a 32-bit microcontroller based on the ARM Cortex-M3 core, operating at a maximum frequency of 48MHz. It integrates 64KB of in-system programmable Flash memory and is housed in a 64-LQFP package measuring 10x10mm. The device supports supply voltages of 1.8V, 2.5V, and 3.3V. Key peripherals include full-speed USB, CAN-FD, SERCOMs, and enhanced touch capabilities.

Feature Summary

• Integrates full-speed USB interface for connectivity
• Supports CAN-FD protocol for robust communication
• Includes SERCOM modules for flexible serial communication
• Features enhanced touch sensing capabilities

Applications

• Embedded systems requiring USB connectivity
• Industrial control applications using CAN-FD
• Devices utilizing serial communication protocols via SERCOM
• Touch-sensitive user interface implementations

Procurement Notes

Verify the specific ordering suffix to ensure compatibility with required voltage levels and temperature ranges. Confirm package type matches design constraints. Check RoHS compliance status if environmental regulations apply. Ensure development tools are compatible with the SAM3N family architecture before procurement.

Selection Notes

Select this component when a 32-bit ARM Cortex-M3 solution with integrated USB and CAN-FD is required. Consider the 64KB Flash limit for application size. Evaluate power consumption requirements against the 1.8V to 3.3V operating range. Verify peripheral needs match available SERCOM and I/O configurations.

Part Context

This part belongs to the Microchip SAM3N family, designed for cost-effective embedded applications. The series emphasizes low power consumption and rich peripheral integration. It targets designs needing reliable processing with minimal external components. The family supports scalable development across similar pinouts.

Replacement Considerations

Consult official Microchip documentation for direct pin-to-pin replacements within the SAM3N series. Verify electrical characteristics and memory sizes match original requirements. Cross-reference datasheets for any functional differences in peripheral sets or voltage tolerances.