ATSAME51J19A-MUT-EFP

Overview

The ATSAME51J19A-MUT-EFP is a 32-bit microcontroller from the Microchip SAM E51 family, featuring an ARM Cortex-M4F core with a floating-point unit. It operates at speeds up to 120MHz and includes 512KB of flash memory and 192KB of SRAM. The device supports a supply voltage range of 1.71V to 3.63V and is housed in a 64-pin QFN package (8x8mm). It integrates multiple communication interfaces including USB, CAN, I2C, SPI, and UART, alongside extensive analog peripherals such as 24-channel 12-bit ADCs and 2-channel 12-bit DACs.

Feature Summary

• Integrated ARM Cortex-M4F processor with hardware floating-point support for efficient signal processing
• Comprehensive connectivity suite supporting USB Full-Speed, CAN bus, and various serial protocols
• Advanced analog subsystem with high-resolution ADCs and DACs for precision measurement applications

Applications

• Automotive body control modules requiring AEC-Q100 qualification
• Industrial motor drives utilizing PWM and analog feedback loops
• Smart home devices leveraging integrated wireless co-processor interfaces

Procurement Notes

Verify the specific suffix configuration against official Microchip documentation to ensure compatibility with required automotive standards and packaging types. Confirm that the QFN-64 footprint matches your PCB design constraints. Cross-reference the latest datasheet revision to account for any silicon errata or feature updates relevant to the SAM E51 family before finalizing procurement orders.

Selection Notes

Select this component when a balance of high-performance computing and robust automotive-grade reliability is required. The inclusion of CANbus and extensive analog peripherals makes it suitable for complex embedded systems. Ensure that the 120MHz clock speed aligns with power consumption limits and that the 64-pin package fits within the designated board area constraints.

Part Context

This part belongs to the SAM E51 series, designed for cost-sensitive automotive and industrial applications. It shares architectural similarities with the SAM D51 but adds automotive qualification and CAN interface capabilities. The device is positioned as a scalable solution within Microchip's portfolio, offering a transition path from standard commercial MCUs to qualified automotive components without significant code migration efforts.

Replacement Considerations

Direct pin-to-pin replacements within the same package may include other variants in the SAM E51 family with differing memory sizes. Verify functional equivalence regarding peripheral availability and electrical specifications before substituting.