ATSAMD51J19A-MUT-EFP

Overview

The ATSAMD51J19A-MUT-EFP is a 32-bit ARM Cortex-M4F microcontroller from the Microchip SAM D51 family, housed in a 64-pin QFN package. It features 512 kB of Flash memory and 192 kB of SRAM, operating at a maximum clock frequency of 120 MHz. The device supports a supply voltage range of 1.71 V to 3.63 V and includes 51 general-purpose I/Os. Key peripherals include 24-channel 12-bit ADCs, two 12-bit DACs, and interfaces such as USB, SPI, I2C, USART, LIN, and QSPI. It is qualified to AEC-Q100 standards for automotive applications.

Feature Summary

• Integrated ARM Cortex-M4F core with FPU for efficient digital signal processing and control tasks
• Automotive-grade qualification ensuring reliability under extended temperature conditions
• High-speed connectivity via integrated USB controller and multiple serial communication interfaces
• Advanced analog capabilities with high-resolution ADCs and DACs for precise sensor interfacing

Applications

• Automotive infotainment systems and instrument clusters
• Industrial motor control and automation devices
• Medical equipment requiring reliable data acquisition
• Smart home appliances with connectivity features

Procurement Notes

Verify the specific suffix 'MUT-EFP' against official Microchip documentation to confirm the QFN-64 package and tape-and-reel packaging configuration. Ensure compatibility with your PCB footprint design rules. Confirm that the AEC-Q100 Grade 1 rating meets your project's environmental requirements. Cross-reference the datasheet revision date to ensure access to the latest errata and silicon updates before finalizing procurement.

Selection Notes

Select this component when a robust automotive-grade MCU with significant memory resources is required. The combination of 512 kB Flash and 192 kB RAM supports complex firmware and machine learning algorithms. The inclusion of a hardware FPU accelerates mathematical operations compared to standard Cortex-M4 cores. Consider the QFN package for space-constrained designs while ensuring adequate thermal management solutions are implemented on the PCB.

Part Context

This part belongs to the SAM D51 series, which targets high-performance embedded applications. It shares architectural similarities with other SAM D51 variants but differs in memory size and package type. The 'J19' designation typically indicates the 512 kB Flash configuration within this family. It serves as a bridge between standard performance MCUs and higher-end automotive controllers, offering a balance of cost, power, and capability.

Replacement Considerations

Direct pin-to-pin replacements within the same package may include other SAM D51 variants with different memory sizes, such as ATSAMD51J19A-MU-EFP (if available in tray) or ATSAMD51J20A-MU-EFP. Verify electrical characteristics and peripheral availability carefully. No direct substitute is confirmed in the provided source material; consult Microchip for current equivalent listings.