ATSAME54P20A-AUT-EFP

Overview

The ATSAME54P20A-AUT-EFP is a 32-bit microcontroller from the SAM E54 family, featuring an ARM Cortex-M4F core with a floating-point unit. It operates at a maximum frequency of 120MHz and includes 1MB of Flash memory and 256KB of SRAM. The device supports a supply voltage range of 1.71V to 3.63V and offers 99 I/O pins in a 128-TQFP package. It is AEC-Q100 qualified for automotive applications and functions within a temperature range of -40°C to 85°C.

Feature Summary

• Integrated ARM Cortex-M4F processor with hardware floating-point support for efficient signal processing.
• Automotive-grade qualification ensuring reliability under strict environmental conditions.
• Comprehensive connectivity suite including Ethernet MAC, USB, CAN FD, and multiple serial interfaces.
• Advanced security features including AES-256 encryption, SHA, and True Random Number Generator.

Applications

• Automotive infotainment systems
• Body control modules
• Industrial motor drives
• Smart energy metering

Procurement Notes

Verify the complete part number against official Microchip documentation to ensure correct suffix alignment. Confirm that the specific package variant matches design requirements. Check current datasheets for any recent errata or production change notices affecting this component. Ensure compatibility with existing supply chain channels before finalizing procurement plans.

Selection Notes

Select this component when automotive certification is mandatory alongside high-performance computing needs. The combination of 120MHz processing speed and extensive peripheral set suits complex control tasks. Consider the 128-TQFP package constraints regarding board space and thermal management capabilities during the initial design phase.

Part Context

This MCU belongs to the SAM E54 series designed for robust embedded applications. It integrates high-speed interfaces and secure elements suitable for connected devices. The series emphasizes low power consumption while maintaining high computational throughput for real-time operations.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure any alternative maintains identical pinout and software compatibility if direct replacement is required without hardware redesign.

FAQ

What is the maximum operating frequency of the ATSAME54P20A-AUT-EFP?

The device supports a maximum clock frequency of 120MHz.

Does this microcontroller include a floating-point unit?

Yes, it features an ARM Cortex-M4F core which includes a hardware floating-point unit.

Is this component suitable for automotive environments?

Yes, it is AEC-Q100 qualified and rated for operation between -40°C and 85°C.