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ATSAMD51N19A-AU

MCHPATSAMD51N19A-AU

Microchip Technology
ARM® Cortex®-M4F SAM D51 Microcontroller IC 32-Bit 120MHz 512KB (512K x 8) FLASH 100-TQFP (14x14)
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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

Industrial Automation
Utilizing the 120MHz clock speed and multiple serial interfaces for PLC and sensor hub applications.
Digital Signal Processing
Leveraging the integrated FPU and DMA for efficient audio processing or sensor data filtering.
Human Machine Interface
Driving small displays and touch interfaces using the 81 available I/O pins and various communication peripherals.
Advanced Data Logging
Managing high-speed data storage via the MMC/SD and QSPI interfaces.

Key Specifications

Speed 120MHz
RAM Size 192K x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM
Connectivity EBI/EMI, I2C, IrDA, LINbus, MMC/SD, QSPI, SPI, UART/USART, USB
Mounting Type Surface Mount
Number of I/O 81
Core Processor ARM Cortex-M4F
Package / Case 100-TQFP
Data Converters A/D 28x12b; D/A 2x12b
Oscillator Type Internal
Program Memory Size 512KB (512K x 8)
Program Memory Type FLASH
Operating Temperature -40degC ~ 85degC (TA)
Supplier Device Package 100-TQFP (14x14)
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.63V

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.

Adafruit Feather M4 Express Adafruit Industries LLC
ATSAMD51J19 Feather M4 Express SAM D ARM® Cortex®-M4 MCU 32-Bit Embedded Evaluation Board
Digi-Key 239 in stock
SAMD51 - Motor Controller/Driver Interface Evaluation Board
Digi-Key Mouser 16 in stock
Wio Terminal Seeed Technology Co., Ltd
ATSAMD51 Wio ARM® Cortex®-M4F MCU 32-Bit Embedded Evaluation Board
Digi-Key 497 in stock
Adafruit HalloWing M4 Express Adafruit Industries LLC
ATSAMD51G18 HalloWing M4 Express SAM D ARM® Cortex®-M4 MCU 32-Bit Embedded Evaluation Board
Development Boards & Kits - ARM Metro M4 feat. Microchip ATSAMD51
Mouser 73 in stock

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 ..

Also Consider

ATSAMD51N20A-AU MCHPMicrochip Technology - Offers double the flash memory at 1MB while maintaining pin-compatibility.