ATSAME51J20A-AUT-EFP

Overview

The ATSAME51J20A-AUT-EFP is a 32-bit ARM Cortex-M4F microcontroller from the SAM E51 family, manufactured by Microchip Technology. It features a maximum clock frequency of 120 MHz and includes 1 MB of Flash memory with 256 kB of SRAM. The device operates within a voltage range of 1.71 V to 3.63 V and supports an industrial temperature range of -40°C to +85°C. It provides 51 I/O pins and integrates multiple communication interfaces including USB, CAN, I2C, SPI, USART, QSPI, and I2S. The component is housed in a 64-TQFP package and holds AEC-Q100 qualification.

Feature Summary

• Integrated ARM Cortex-M4F core with FPU for efficient digital signal processing
• Extended Flash Performance architecture for enhanced code execution speed
• Comprehensive peripheral set supporting automotive and industrial connectivity standards
• High-resolution analog-to-digital and digital-to-analog converters

Applications

• Automotive infotainment systems
• Industrial motor control applications
• Smart sensor nodes requiring CAN bus connectivity
• USB-enabled embedded devices

Procurement Notes

Verify the specific suffix 'AUT' confirms the tape and reel packaging format required for automated assembly processes. Confirm that the AEC-Q100 qualification status meets your project's automotive reliability standards. Ensure the 64-TQFP footprint matches your PCB layout constraints. Cross-reference the datasheet revision to confirm pinout compatibility with existing designs.

Selection Notes

Select this component when a balance of high-performance processing and extensive connectivity is required. The 1 MB Flash capacity suits complex firmware applications. The inclusion of CAN and USB interfaces makes it suitable for networked systems. Consider the 120 MHz speed for real-time control tasks. Verify power supply requirements align with the 1.71 V to 3.63 V operating range.

Part Context

This part belongs to the Microchip SAM E51 series, designed for cost-sensitive applications requiring robust performance. It shares architectural similarities with the ATSAMD51 and ATSAME53 families but offers specific memory and interface configurations tailored for mid-range embedded solutions. The series emphasizes energy efficiency and peripheral richness.

Replacement Considerations

ATSAME51J20A-AU-EFP (Tray packaging variant)

FAQ

Does the ATSAME51J20A-AUT-EFP support hardware floating-point operations?

Yes, the integrated ARM Cortex-M4F core includes a single-precision Floating Point Unit (FPU) to accelerate mathematical computations.

What is the maximum operating temperature for this microcontroller?

The device is rated for an extended industrial temperature range, with a maximum operating temperature of +85°C.