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ATSAMD51P19A-AU

MCHPATSAMD51P19A-AU

Microchip Technology
ARM® Cortex®-M4F SAM D51 Microcontroller IC 32-Bit 120MHz 512KB (512K x 8) FLASH 128-TQFP (14x14)
Active2,508 in stock
Datasheet Digi-Key Mouser Compare Prices

Overview

The ATSAMD51P19A-AU is a high-performance microcontroller featuring a 120MHz ARM Cortex-M4F core with a Floating Point Unit (FPU). It integrates 512KB of Flash and 192KB of RAM, providing robust computational power and memory for complex embedded tasks. This device is equipped with extensive connectivity options including QSPI, USB, and a rich set of serial interfaces.

Why Choose This Part

The ATSAMD51P19A-AU offers a significant performance boost over the SAMD21 series while maintaining a familiar peripheral set. It features dual 12-bit ADCs and DACs for high-fidelity analog interfacing and a large 192KB RAM buffer for intensive data operations.

Applications

Digital Signal Processing
Utilizes the Cortex-M4F and 120MHz clock speed for real-time sensor fusion and audio processing.
Human Machine Interface (HMI)
Leverages 99 I/O pins and integrated touch controller capabilities for sophisticated control panels.
Industrial Gateway
Manages multiple communication protocols across UART, I2C, SPI, and LINbus for factory automation.
High-Speed Data Logging
Uses the QSPI interface and MMC/SD support for high-bandwidth external storage applications.

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 99
Core Processor ARM Cortex-M4F
Package / Case 128-TQFP
Data Converters A/D 32x12b; 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 128-TQFP (14x14)
Voltage - Supply (Vcc/Vdd) 1.71V ~ 3.63V

Getting Started

Engineers can begin development using the Microchip Trust Platform and the Atmel Studio or MPLAB X IDEs. The SAM D51 Curiosity Nano or various Adafruit Feather M4 boards provide hardware platforms for rapid prototyping with the integrated peripheral touch controller and USB stacks.

Dev Boards

Development boards and breakout modules featuring the ATSAMD51P19A-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 967 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

ATSAMD51P Family

Comparing specs that differ across variants. The current part is highlighted.

Part Number RAM Flash Temp Range Stock
ATSAMD51P19A-AU (this part) 192K 512KB -40degC ~ 85degC (.. 2,508
ATSAMD51P20A-AFT 256K 1MB -40degC ~ 125degC .. —
ATSAMD51P20A-AU 256K 1MB -40degC ~ 85degC (.. 12