ATSAME51J20A-MUT

Overview

The ATSAME51J20A-MUT is an ARM microcontroller from the ATSAME51 series, manufactured by Microchip Technology. It features an ARM Cortex-M4F core with a maximum clock frequency of 120 MHz. The device includes 1 MB of Flash program memory and 256 kB of SRAM data RAM. It is housed in a QFN-64 package and supports SMD/SMT installation. The MCU offers 51 I/O lines, 24 ADC channels with 12-bit resolution, and 12-bit DAC resolution. Operating voltage ranges from 1.71 V to 3.63 V, with an operating temperature range of -40°C to +85°C. It holds AEC-Q100 qualification.

Feature Summary

• Integrated ARM Cortex-M4F core with floating-point unit for efficient digital signal processing.
• Extended flash performance architecture providing high-speed code execution and large storage capacity.
• Comprehensive connectivity suite including USB, Ethernet, CAN, LIN, I2C, SPI, USART, and I2S interfaces.
• High-resolution analog peripherals with 24-channel 12-bit ADC and 12-bit DAC for precise signal handling.

Applications

• Automotive infotainment systems requiring robust connectivity and processing power.
• Industrial control applications utilizing CAN and LIN bus protocols.
• Smart home devices needing USB and Ethernet communication capabilities.
• Medical equipment demanding high reliability and AEC-Q100 compliance.

Procurement Notes

Verify the specific suffix 'MUT' corresponds to the QFN-64 package and extended flash variant when ordering. Confirm that the AEC-Q100 automotive qualification meets your project's reliability standards. Ensure the 1.71 V to 3.63 V supply voltage range aligns with your system design. Check for moisture sensitivity level requirements during assembly. Validate interface availability against your schematic needs.

Selection Notes

Select this model if your application requires 1 MB of Flash and 256 kB of RAM within a compact QFN-64 footprint. It is suitable for designs needing integrated Ethernet and USB controllers alongside standard serial interfaces. Consider this part for automotive or industrial environments due to its wide temperature range and qualification. Compare with the AU package version if lead-free tray packaging is preferred over tape and reel.

Part Context

This component belongs to the ATSAME51 family, which targets cost-sensitive embedded applications requiring high performance. The J20 variant specifically denotes the 1 MB Flash and 256 kB RAM configuration. The MUT suffix indicates the QFN-64 package type. This family bridges the gap between basic MCUs and complex MPUs, offering rich peripheral sets in a small form factor.

Replacement Considerations

ATSAME51J20A-AU is a pin-compatible alternative in TQFP-64 packaging. ATSAMD51J20A-AUT shares similar specifications but belongs to the D51 series. Verify software compatibility and peripheral register differences before substituting.