ATSAMD51J20A-UUT-EFP

Overview

The ATSAMD51J20A-UUT-EFP is an ARM-based microcontroller from the Microchip SAM D51 series. It features a 32-bit ARM Cortex-M4 core with a floating-point unit (FPU) and operates at a maximum clock frequency of 120 MHz. The device includes 256 kB of Flash memory and 32 kB of SRAM. It supports a supply voltage range of 1.62 V to 3.63 V and is housed in a WLCSP-64 package. The component offers 51 general-purpose I/Os, multiple communication interfaces including I2C, SPI, UART, and USART, and integrates a 12-bit ADC with 20 channels.

Feature Summary

• Integrates an ARM Cortex-M4 processor with a hardware floating-point unit for efficient signal processing.
• Provides high-speed data transfer capabilities through multiple standard communication peripherals.
• Features integrated analog-to-digital conversion with multiple input channels for sensor interfacing.

Applications

• Industrial control systems requiring precise timing and analog signal acquisition
• Smart home devices utilizing wireless connectivity modules
• Medical instrumentation needing low-power operation and accurate data conversion

Procurement Notes

Verify the specific suffix codes against official Microchip documentation to confirm temperature range, packaging type, and lead-free status. Ensure compatibility with existing board layouts regarding the WLCSP-64 footprint. Confirm current availability and obsolescence status directly with authorized distributors or the manufacturer before finalizing procurement plans.

Selection Notes

Select this component when a balance of processing power and peripheral integration is required within a compact form factor. The inclusion of an FPU makes it suitable for applications involving mathematical computations. Consider the operating voltage range and thermal specifications to ensure they align with the target system's power budget and environmental constraints.

Part Context

This part belongs to the SAM D51 family of microcontrollers designed for low-power and high-performance applications. The family shares common architectural features but varies in memory size and pin count. The ATSAMD51J20A variant specifically targets applications needing moderate program storage and a rich set of peripherals in a small package.

Replacement Considerations

Consult official cross-reference guides for compatible alternatives. Verify that any substitute maintains identical pinout, memory configuration, and electrical characteristics to ensure seamless integration without redesigning the host circuitry.