ATSAME51J19A-MUT

Overview

The ATSAME51J19A-MUT is an ARM microcontroller from the Microchip SAM E51 series, featuring a Cortex-M4F core with a floating-point unit. It operates at a maximum clock frequency of 120 MHz and includes 512 kB of Flash program memory and 192 kB of SRAM data RAM. The device provides 51 general-purpose I/Os and supports a supply voltage range of 1.71 V to 3.6 V. It integrates multiple communication interfaces including CAN, LIN, I2C, SPI, and USART. The component is housed in a 64-pin QFN package and is qualified for AEC-Q100 standards, ensuring reliability for automotive applications.

Feature Summary

• Integrated ARM Cortex-M4F processor with hardware floating-point support for efficient signal processing.
• Automotive-grade qualification compliant with AEC-Q100 standards for enhanced durability.
• Comprehensive connectivity suite supporting CAN, LIN, I2C, SPI, and USART protocols.

Applications

• Automotive body control modules
• Industrial motor control systems
• Smart sensor nodes

Procurement Notes

Verify the specific suffix 'MUT' corresponds to the 64-lead QFN package variant during sourcing. Confirm that the AEC-Q100 qualification status meets the target application's environmental requirements. Ensure compatibility with the required operating temperature range of -40°C to +85°C. Cross-reference the datasheet for any recent product change notices affecting pinout or electrical characteristics.

Selection Notes

Select this model when a robust automotive-grade MCU with integrated FPU is required. It is suitable for designs needing substantial Flash capacity and multiple serial interfaces within a compact footprint. Consider alternative packages like TQFP if lead-free soldering constraints differ. Evaluate power consumption profiles against system battery life requirements.

Part Context

This component belongs to the SAM E51 family, designed for high-performance embedded applications. It shares architectural similarities with the SAM D51 but offers extended features and automotive certification. The J19 designation indicates the specific memory configuration and I/O count within the series.

FAQ

Is the ATSAME51J19A-MUT qualified for automotive use?

Yes, the device is AEC-Q100 qualified, making it suitable for automotive electronics applications.

What type of processor core does this MCU use?

It utilizes an ARM Cortex-M4F core, which includes a hardware floating-point unit for improved mathematical performance.