ATSAME53J19A-AFT

Overview

The ATSAME53J19A-AFT is an ARM Cortex-M4F microcontroller from the SAM E53 family, housed in a 64-pin TQFP package. It features 512 kB of Flash memory and 192 kB of SRAM. The device operates at a maximum clock frequency of 120 MHz with a supply voltage range of 1.71 V to 3.6 V. It includes 51 I/O pins, 24-channel 12-bit ADCs, and dual 12-bit DACs. Connectivity options include USB, Ethernet, I2C, SPI, USART, and LIN interfaces. The component supports extended operating temperatures from -40°C to +125°C and holds AEC-Q100 qualification.

Feature Summary

• Integrated floating-point unit for efficient mathematical processing
• Automotive-grade reliability with AEC-Q100 certification
• Supports high-speed communication via USB and Ethernet controllers
• Extended temperature operation suitable for harsh environments

Applications

• Automotive infotainment systems
• Industrial motor control applications
• Smart home automation hubs
• Medical instrumentation devices

Procurement Notes

Verify the suffix 'AFT' confirms tape-and-reel packaging rather than tray format. Ensure the specific revision level matches design requirements. Confirm AEC-Q100 compliance documentation is available if automotive validation is required. Check for moisture sensitivity level handling instructions during assembly.

Selection Notes

Select this model when 512 kB of program storage and 192 kB of RAM are sufficient for complex firmware logic. Choose over variants with lower memory if cost optimization is needed but performance must remain high. Consider the TQFP-64 package constraints regarding pin count versus PCB space availability compared to BGA alternatives.

Part Context

This component belongs to the Microchip SAM E53 series, designed for high-performance embedded applications requiring robust connectivity and processing power. It shares architectural similarities with other M4F-based MCUs but distinguishes itself through integrated automotive qualifications and specific peripheral sets like Ethernet MACs.

Replacement Considerations

ATSAME53J19A-AF (Tray packaging variant)

FAQ

Does the ATSAME53J19A-AFT support hardware floating-point operations?

Yes, it utilizes the ARM Cortex-M4F core which includes a single-precision floating-point unit.

What is the maximum operating temperature for this MCU?

The device is rated for an extended industrial temperature range up to +125°C.