ATSAME53N20A-AU

Overview

The ATSAME53N20A-AU is an ARM Cortex-M4F microcontroller from the SAM E53 family, operating at a maximum clock frequency of 120 MHz. It features 1 MB of Flash program memory and 256 kB of SRAM data memory within a 100-TQFP package. The device provides 81 general-purpose I/Os and includes integrated peripherals such as USB, Ethernet, CAN, and various serial interfaces. It supports analog inputs via 28-channel 12-bit ADCs and outputs through 2-channel 12-bit DACs. Operating voltage ranges from 1.71 V to 3.6 V, with an industrial temperature range of -40°C to +85°C.

Feature Summary

• Integrated floating-point unit (FPU) for efficient mathematical processing
• Supports automotive applications with AEC-Q100 qualification
• Includes secure element capabilities for cryptographic operations
• Features multiple communication interfaces including USB OTG and Ethernet MAC

Applications

• Automotive infotainment systems
• Industrial motor control
• Smart home devices
• Medical equipment

Procurement Notes

Verify the specific suffix 'AU' corresponds to the tray packaging format and lead-free status as defined by Microchip. Confirm that the AEC-Q100 grade meets your project's reliability requirements. Check for any recent PCN notifications regarding assembly sites or material changes. Ensure compatibility with your existing PCB footprint for the 100-TQFP package.

Selection Notes

Select this model when high-performance processing with automotive certification is required. Compare against ATSAMD51 series if automotive qualification is not necessary. Consider pin count and peripheral availability relative to system interface needs. Evaluate power consumption profiles against other SAM E53 variants for battery-operated constraints.

Part Context

This component belongs to the SAM E53 family, designed for high-performance embedded applications requiring security and connectivity. It shares architectural similarities with the SAM D5x/E5x families but offers enhanced features tailored for demanding environments. The family emphasizes low power consumption alongside robust processing capabilities.

Replacement Considerations

ATSAME53N20A-AUT-EFP is a tape-and-reel alternative with identical electrical specifications.