ATSAME53J20A-MU

Overview

The ATSAME53J20A-MU is a 32-bit microcontroller from the SAM E53 family, built on an ARM Cortex-M4F core with a floating-point unit. It operates at a maximum clock frequency of 120 MHz and includes 1 MB of in-system programmable flash memory and 256 KB of SRAM. The device features a 12-bit ADC with 24 channels and two 12-bit DACs. It supports multiple communication interfaces including Ethernet, USB, I2C, SPI, USART, LINbus, QSPI, and I2S. Powered by a voltage range of 1.71 V to 3.63 V, it is housed in a 64-lead QFN package and rated for an operating temperature of -40°C to +85°C.

Feature Summary

• Integrated Ethernet MAC and PHY support for network connectivity
• USB Full-Speed controller with DMA capabilities
• High-resolution analog conversion with 24-channel 12-bit ADC and dual 12-bit DACs
• Flexible peripheral set including QSPI, I2S, and multiple serial interfaces

Applications

• Industrial automation controllers requiring robust connectivity
• Smart building management systems with sensor integration
• Medical devices needing precise analog signal processing
• Automotive infotainment and instrument clusters

Procurement Notes

Verify the specific suffix 'MU' corresponds to the QFN-64 package and commercial temperature grade during sourcing. Confirm RoHS compliance status as per current manufacturer declarations. Check for any recent PCN notifications regarding assembly sites or material changes. Ensure ESD handling procedures are followed due to moisture sensitivity level classification.

Selection Notes

Select this component when high-performance processing is combined with extensive analog and communication peripherals in a compact footprint. Compare against ATSAMD51 series if lower pin counts suffice, or ATSAME54 series for extended temperature ranges. Evaluate power consumption requirements against the Cortex-M4F efficiency. Consider pin availability for required interface combinations.

Part Context

This MCU belongs to the SAM E53 family, designed for applications demanding high performance and rich connectivity. It shares architectural similarities with the SAM D5x/E5x families but offers optimized peripheral sets for industrial and automotive markets. The family emphasizes security features and low-power operation alongside high-speed processing capabilities.

Replacement Considerations

ATSAME53J20A-AUT-EFP (TQFP-64 package variant)

FAQ

Does the ATSAME53J20A-MU include an integrated Ethernet PHY?

Yes, the datasheet specifications indicate support for Ethernet connectivity, typically requiring external PHY components depending on the specific implementation, though the MAC is integrated.

What is the maximum operating temperature for this part?

The commercial grade version indicated by the 'MU' suffix supports an operating temperature range of -40°C to +85°C.