ATSAMD51N19A-AFT

Overview

The ATSAMD51N19A-AFT is a 32-bit ARM Cortex-M4F microcontroller from the Microchip SAM D51 family, operating at a maximum clock frequency of 120 MHz. It features 512 kB of Flash program memory and 192 kB of SRAM data RAM within a 100-TQFP package. The device supports a supply voltage range of 1.71 V to 3.6 V and includes integrated peripherals such as USB, DMA, and multiple communication interfaces. It offers 81 I/O pins, 28 channels of 12-bit ADC, and two channels of 12-bit DAC.

Feature Summary

• Integrated ARM Cortex-M4F core with hardware floating-point unit for efficient digital signal processing
• Supports advanced machine learning algorithms via dedicated DSP instructions and vector math capabilities
• Includes comprehensive connectivity options with built-in USB Full-Speed controller and multiple serial interfaces

Applications

• Industrial automation controllers requiring robust peripheral integration
• Consumer electronics devices utilizing USB connectivity
• Smart home appliances with sensor interface requirements

Procurement Notes

Verify the specific suffix 'AFT' against official Microchip documentation to confirm the tape and reel packaging configuration and temperature grade. Ensure compatibility with surface-mount assembly processes for the TQFP-100 footprint. Cross-reference the manufacturer part number directly with datasheet identifiers to avoid substitution errors.

Selection Notes

Select this component when a balance of high-performance computing and extensive I/O is required in a compact form factor. The 100-pin package provides access to numerous peripherals suitable for complex system designs. Consider the 120 MHz processing speed and memory capacity for applications involving real-time data acquisition and control loops.

Part Context

This microcontroller belongs to the SAM D51 series, which targets applications demanding high performance and low power consumption. The series integrates a Cortex-M4F core with specialized extensions for machine learning tasks. It serves as a versatile solution for embedded systems requiring significant processing power alongside rich peripheral sets.

Replacement Considerations

Consult Microchip's official cross-reference tools or datasheets for verified equivalent parts within the SAM D51 family or compatible architectures. Verify pin-to-pin compatibility and software register mapping before implementing any substitute components.