ATSAME53J20A-MF

Overview

The ATSAME53J20A-MF is a 32-bit microcontroller from the Microchip SAM E53 family, built on an ARM Cortex-M4F core with a floating-point unit. It operates at a maximum frequency of 120 MHz and integrates 1 MB of in-system programmable flash memory alongside 256 KB of SRAM. The device features a wide supply voltage range of 1.71 V to 3.63 V and supports an industrial operating temperature range of -40°C to +85°C. Connectivity options include Ethernet, USB, I2C, SPI, USART, LINbus, QSPI, and I2S interfaces. It provides 51 general-purpose I/Os, 24-channel 12-bit ADCs, and two 12-bit DACs within a 64-pin QFN package.

Feature Summary

• Integrated Ethernet MAC with dedicated peripheral support for wired network connectivity
• Hardware cryptographic engine supporting AES, RSA, ECC, SHA, and CRC for secure data processing
• Low-power architecture with multiple sleep modes and flexible clock sources for energy efficiency
• Advanced analog peripherals including high-speed ADCs and precision comparators

Applications

• Industrial automation controllers requiring robust communication protocols
• Smart metering systems utilizing Ethernet or power-line communication
• Medical devices needing precise analog signal acquisition and processing
• Automotive body electronics and infotainment subsystems

Procurement Notes

Verify the specific suffix 'MF' against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the 64-pin QFN configuration. Check for any recent Product Change Notifications regarding assembly sites or materials. Confirm that the intended application environment falls within the specified industrial temperature range.

Selection Notes

Select this component when both Ethernet connectivity and high-performance cryptographic acceleration are required in a compact form factor. Compare RAM and Flash capacities against alternative SAM E53 variants if storage requirements differ. Evaluate pin count sufficiency for all necessary I/Os before finalizing the design. Consider power consumption profiles during active and sleep states relative to system battery life constraints.

Part Context

This MCU belongs to the SAM E53 series, designed for applications demanding security and connectivity. It shares architectural similarities with other Cortex-M4F devices but distinguishes itself through integrated Ethernet and crypto hardware. The series targets cost-sensitive yet feature-rich embedded solutions across industrial and consumer markets.

Replacement Considerations

ATSAME53J20A-AUT-EFP: Similar specifications but in a TQFP package with automotive qualification.

FAQ

Does the ATSAME53J20A-MF support hardware encryption?

Yes, it includes a hardware cryptographic engine supporting AES, RSA, ECC, SHA, and CRC algorithms.

What is the maximum operating speed of the core?

The ARM Cortex-M4F core can operate at a maximum frequency of 120 MHz.