ATSAME53N19A-AUT

Overview

The ATSAME53N19A-AUT is a 32-bit microcontroller from the Microchip SAM E53 family, built on an ARM Cortex-M4F core operating at 120 MHz. It features 512 KB of in-system programmable flash memory and 192 KB of SRAM. The device supports a supply voltage range of 1.71 V to 3.63 V and includes 81 general-purpose I/Os. Connectivity options encompass Ethernet, USB, I2C, SPI, USART, LINbus, QSPI, and I2S interfaces. It integrates 24-channel 12-bit ADCs and two 12-bit DACs. Designed for automotive applications, it meets AEC-Q100 Grade 1 standards with an operating temperature range of -40°C to +125°C.

Feature Summary

• Automotive-grade reliability compliant with AEC-Q100 Grade 1 specifications for extended temperature operation.
• Integrated floating-point unit (FPU) within the ARM Cortex-M4F core for efficient mathematical processing.
• Comprehensive peripheral set including Ethernet MAC, USB Full-Speed controller, and multiple communication buses.
• High-resolution analog-to-digital conversion capabilities with 24 channels for precise sensor interfacing.

Applications

• Automotive body control modules and gateway systems
• Advanced driver assistance system (ADAS) sensor hubs
• Infotainment system controllers and display drivers
• Industrial motor control and automation interfaces

Procurement Notes

Verify the specific suffix 'AUT' confirms automotive qualification and extended temperature rating during sourcing. Confirm package type availability matches design requirements, as variants may differ in housing. Check for recent production change notices regarding assembly sites or materials. Ensure compatibility with existing firmware libraries for the SAM E53 series before finalizing procurement decisions.

Selection Notes

Select this component when automotive certification and high-speed connectivity are required alongside significant memory resources. Compare against non-automotive variants if cost sensitivity outweighs qualification needs. Evaluate pin count and peripheral density against alternative SAM E53 models to ensure optimal resource utilization without over-specification for the target application constraints.

Part Context

This MCU belongs to the SAM E53 family, which targets IoT and automotive markets with enhanced security and performance. It shares architectural similarities with the SAM D5x/E5x families but offers specific automotive qualifications and extended temperature ranges. The family emphasizes secure boot, cryptographic engines, and low-power modes suitable for always-on connected devices.

Replacement Considerations

ATSAME53N19A-AU serves as a non-automotive equivalent with identical electrical characteristics but lacks AEC-Q100 qualification. ATSAME53J19A-AU-EFP offers similar specs in a TQFP-64 package. Verify pinout compatibility and software library support when considering these alternatives for redesign purposes.