MCHPATSAMD51N19A-AU
Overview
The ATSAMD51N19A-AU is a high-performance microcontroller powered by a 120MHz ARM Cortex-M4F processor with a dedicated Floating Point Unit (FPU). It features 512KB of Flash memory and 192KB of RAM, providing a robust platform for complex computational tasks and real-time processing in a 100-TQFP package.
Why Choose This Part
This MCU offers a powerful combination of high-speed execution at 120MHz and extensive connectivity options including USB and QSPI. Its large 192KB SRAM and dual 12-bit DACs make it ideal for memory-intensive applications requiring precise analog output.
Applications
Key Specifications
Getting Started
Develop using the Atmel ICE or Power Debugger with the Microchip Studio (formerly Atmel Studio) or MPLAB X IDE. The SAM D51 Curiosity Nano evaluation kit is a recommended hardware platform for rapid prototyping and firmware validation.
Dev Boards
Development boards and breakout modules featuring the ATSAMD51N19A-AU or compatible chips — ready to use for prototyping.
ATSAMD51N Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | RAM | Flash | Temp Range | Stock |
|---|---|---|---|---|
| ATSAMD51N19A-AU (this part) | 192K | 512KB | -40degC ~ 85degC (.. | — |
| ATSAMD51N20A-AU | 256K | 1MB | -40degC ~ 85degC (.. | 413 |
| ATSAMD51N20A-AF | 256K | 1MB | -40degC ~ 125degC .. | — |



