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MCHPATSAME54P20A-AU

Microchip
ARM Cortex-M4 MCU with FPU, 120 MHz, 1 MB Flash, 256 KB RAM, Ethernet, CAN-FD, USB.
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Overview

The ATSAME54P20A-AU is a Microchip ARM Cortex-M4 microcontroller with FPU running at 120 MHz. It provides 1 MB of flash and 256 KB of RAM and integrates high-speed connectivity options including Ethernet, CAN-FD, and USB. The device targets compute- and connectivity-heavy embedded applications that need real-time processing and field networks.

Why Choose This Part

The SAME54 family combines a 120 MHz Cortex-M4 with an FPU and large on-chip flash and RAM, letting you run complex control and communication stacks without external memory. Integrated Ethernet, CAN-FD, and USB peripherals reduce BOM cost and PCB complexity by avoiding separate controllers. Choosing this MCU shortens development time when you need both math performance and multiple field/network interfaces.

Applications

Industrial protocol gateway
Acts as an Ethernet-to-CAN-FD gateway or protocol converter for industrial automation and factory networks.
Vehicle and machine networking node
Implements CAN-FD endpoints or domain controllers for vehicle subsystems and off-highway equipment.
High-performance USB device or host
Serves as a USB-enabled data logger, firmware updater, or human-interface gateway using the integrated USB controller.
Real-time control with floating-point math
Runs motor control, sensor fusion, or DSP-style filtering where the FPU and large RAM/flash improve algorithm complexity and responsiveness.
Edge controller with embedded networking
Hosts local application logic and Ethernet-based connectivity for edge computing tasks in industrial and building automation.

Getting Started

Begin with Microchip development tools and example code available from Microchip's website; the device is supported by standard ARM toolchains such as the GNU Arm Embedded Toolchain and by Microchip's IDEs and software libraries. Use an SWD/JTAG debugger (for example a Microchip or SEGGER probe) for flashing and debug. On your hardware, plan for an external Ethernet PHY and magnetics plus a CAN transceiver when using the on-chip MAC and CAN-FD controller.

Part of SAM Microcontrollers family » SAME54P

SAME54P Family

Part NumberDifferenceStock
ATSAME54P20A-AZVAO (Microchip Technology) ZVAO 82

Also Consider

STM32H743ZI STMicroelectronics - Higher-performance Cortex-M7 alternative with large memory and rich connectivity for compute-heavy embedded applications.
i.MX RT1052 NXP Semiconductors - i.MX RT crossover MCU family part with strong real-time performance and connectivity for advanced edge applications.
PIC32MZ2048EFH064 MCHPMicrochip Technology - Microchip PIC32MZ series part offering large memory and integrated Ethernet/USB capabilities as an alternative MCU class.

Categories

Microcontrollers > ARM Cortex-M4 Microcontrollers > Microchip