MCHPATSAMD51J19A
Overview
The ATSAMD51J19A is a high-performance 32-bit microcontroller based on the ARM Cortex-M4F core with a floating-point unit (FPU). Running at speeds up to 120MHz, it provides a significant performance upgrade over Cortex-M0+ devices while maintaining a rich set of serial interfaces and analog peripherals. This MCU features 512KB of Flash and 192KB of RAM, making it suitable for complex embedded tasks and memory-intensive applications.
Why Choose This Part
The inclusion of a 120MHz Cortex-M4F core provides high-speed arithmetic performance for math-heavy algorithms. Engineers benefit from a versatile peripheral set that includes dual 12-bit DACs and 24-channel 12-bit ADCs for high-resolution analog interfacing. Its 192KB of RAM allows for larger RTOS implementations and more complex data structures compared to entry-level microcontrollers.
Applications
Key Specifications
Getting Started
Developers can use the Microchip Curiosity Nano or SAM D51 Evaluation Kit for rapid prototyping. Software development is supported through Microchip Harmony v3 within the MPLAB X IDE, or via the Atmel Studio 7 toolchain. For quick firmware validation, the device is also compatible with the Arduino IDE using the Adafruit SAMD board support packages.
Dev Boards
Development boards and breakout modules featuring the ATSAMD51J19A or compatible chips — ready to use for prototyping.
ATSAMD51J Family
Comparing specs that differ across variants. The current part is highlighted.
| Part Number | Package | Temp Range | Stock |
|---|---|---|---|
| ATSAMD51J19A (this part) | VFQFN-64 | -40degC ~ 85degC (.. | 5,449 |
| ATSAMD51J19A-AU | TQFP-64 | -40degC ~ 85degC (.. | — |
| ATSAMD51J19A-MFT | VFQFN-64 | -40degC ~ 125degC .. | 2,820 |
Also Consider
STMicroelectronics
- An alternative Cortex-M4F MCU with a similar 100MHz speed and compact footprint, popular in consumer electronics.
