ATSAME53J19A-AF

Overview

The ATSAME53J19A-AF is an ARM Cortex-M4F microcontroller from the Microchip ATSAME53 series, housed in a TQFP-64 package. It features a maximum clock frequency of 120 MHz and includes 512 kB of Flash program memory alongside 192 kB of SRAM data RAM. The device provides 51 I/O pins and supports a supply voltage range from 1.71 V to 3.6 V. It integrates 24-channel 12-bit ADCs and 12-bit DACs. Operating temperatures extend from -40°C to +125°C, and it holds AEC-Q100 qualification.

Feature Summary

• Equipped with an ARM Cortex-M4F core featuring a floating-point unit for efficient signal processing.
• Includes integrated USB and Ethernet interfaces for communication connectivity.
• Supports extended industrial temperature operation up to +125°C.
• Certified to AEC-Q100 automotive reliability standards.

Applications

• Automotive infotainment systems
• Industrial motor control applications
• IoT gateway devices

Procurement Notes

Verify the specific suffix against official datasheets to confirm package type and temperature grade. Confirm that the ordering code matches the required memory size and interface configuration. Ensure compatibility with existing PCB footprints for the TQFP-64 form factor before finalizing procurement orders.

Selection Notes

Select this component when high-performance processing with FPU support is required within a 64-pin footprint. Consider the 512 kB Flash capacity for complex firmware requirements. Verify that the 120 MHz speed meets real-time processing constraints. Check peripheral availability for specific communication needs like Ethernet or USB.

Part Context

This part belongs to the ATSAME53 family designed for high-performance embedded applications. It shares architectural similarities with other M4F-based MCUs but offers specific memory and pin configurations. The family targets automotive and industrial sectors requiring robust performance and wide operating temperature ranges.

Replacement Considerations

Consult official cross-reference lists for verified substitutes. Ensure any replacement maintains identical pinout and electrical characteristics. Verify that alternative parts meet the same AEC-Q100 qualification if automotive use is intended.

FAQ

What is the maximum operating temperature for this MCU?

The ATSAME53J19A-AF supports an extended operating temperature range up to +125°C.

Does this microcontroller include a floating-point unit?

Yes, it utilizes an ARM Cortex-M4F core which includes a hardware floating-point unit.