ATSAME51J20A-MUT-EFP

Overview

The ATSAME51J20A-MUT-EFP is a Microchip Technology ARM microcontroller featuring an ARM Cortex-M4F core with a floating-point unit. It operates at a maximum clock frequency of 120 MHz and includes 1 MB of Flash memory and 256 kB of SRAM. The device provides 51 I/O pins and supports multiple communication interfaces including USB, CAN, I2C, SPI, USART, I2S, LIN, and QSPI. It features 24-channel 12-bit ADCs and two 12-bit DACs. Operating voltage ranges from 1.71 V to 3.63 V, with an industrial temperature range of -40°C to +85°C.

Feature Summary

• Integrated ARM Cortex-M4F processor with hardware floating-point support for efficient signal processing.
• High-performance extended flash memory architecture offering enhanced code execution speed.
• Comprehensive analog subsystem with high-resolution ADCs and DACs for precise data conversion.
• Robust connectivity suite supporting USB, CAN, and various serial protocols for embedded applications.

Applications

• Industrial automation controllers requiring robust communication protocols
• Medical devices utilizing precision analog signal acquisition
• Consumer electronics with USB connectivity requirements
• Smart home hubs integrating multiple sensor inputs

Procurement Notes

Verify the specific suffix configuration against official Microchip documentation to ensure compatibility with required packaging and environmental specifications. Confirm that the selected variant meets all necessary regulatory standards for your target market. Cross-reference the datasheet revision history for any errata or design changes relevant to production implementation.

Selection Notes

Select this component when a balance of processing power and peripheral richness is required within a compact form factor. The inclusion of both USB and CAN interfaces makes it suitable for complex networked systems. Ensure the 120 MHz performance aligns with real-time processing demands while considering the thermal characteristics of the QFN package.

Part Context

This part belongs to the SAM E51 family of microcontrollers designed for cost-sensitive applications requiring high performance. It shares architectural similarities with other members of the SAM E5x series, facilitating migration between different memory configurations. The family emphasizes energy efficiency alongside computational capabilities for IoT and industrial use cases.

Replacement Considerations

Direct substitutes within the same package and pinout include other variants in the ATSAME51JxxA-MUT-EFP series with differing memory sizes. Verify electrical compatibility and software library support before transitioning to alternative part numbers from the same manufacturer.