ATSAME53J18A-AU

Overview

The ATSAME53J18A-AU is a 32-bit microcontroller from the Microchip SAM E53 series, featuring an ARM Cortex-M4F core with a floating-point unit. It operates at a maximum frequency of 120MHz and includes 256KB of flash memory and 128KB of SRAM. The device provides 51 I/O pins and supports a supply voltage range of 1.71V to 3.63V. It integrates multiple communication interfaces including Ethernet, USB, SPI, I2C, UART, LINbus, QSPI, MMC/SD, IrDA, and EBI/EMI. Analog capabilities include 24-channel 12-bit ADCs and two 12-bit DACs. The component is housed in a 64-TQFP package and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrated Ethernet MAC and PHY support for network connectivity
• ARM Cortex-M4F processor with hardware floating-point unit for efficient signal processing
• Comprehensive analog subsystem with high-resolution ADCs and DACs
• Multiple peripheral controllers including DMA, PWM, and watchdog timer

Applications

• Industrial automation controllers requiring Ethernet connectivity
• Smart home devices utilizing Zigbee or Thread protocols via USB/Ethernet
• Medical equipment needing precise analog signal acquisition
• Automotive body control modules operating in extended temperature ranges

Procurement Notes

Verify the specific suffix 'AU' corresponds to the 64-TQFP package and industrial temperature grade during sourcing. Confirm RoHS compliance status as per current manufacturer documentation. Ensure ordering quantities align with standard tray packaging configurations provided by distributors. Cross-reference the full part number against official Microchip databases to avoid confusion with similar variants in the SAM E53 family.

Selection Notes

Select this model when both Ethernet connectivity and high-performance DSP capabilities are required in a compact form factor. The 256KB flash size suits applications with moderate firmware complexity. Consider the 128KB RAM limit for data buffering requirements. The 64-pin TQFP package offers a balance between pin count and board space. Evaluate power consumption profiles against alternative low-power MCUs if battery operation is critical.

Part Context

This component belongs to the SAM E53 family, designed for IoT and industrial applications. It shares architectural similarities with the ATSAMD51 series but adds native Ethernet support. The J18 variant specifically denotes the 256KB flash configuration within the J-series lineup. It serves as a bridge between high-performance computing and cost-effective embedded networking solutions.

Replacement Considerations

ATSAME53J18A-AUT-EFP: Same core and memory but in TQFP-64 Tray packaging.

FAQ

Does the ATSAME53J18A-AU include an integrated Ethernet PHY?

Yes, the datasheet confirms the integration of an Ethernet MAC and PHY.

What is the maximum operating speed of the Cortex-M4F core?

The core operates at a maximum frequency of 120MHz.