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ATSAME54P20A-AUT

MCHPATSAME54P20A-AUT

Microchip Technology
ARM® Cortex®-M4F SAM E54 Microcontroller IC 32-Bit 120MHz 1MB (1M x 8) FLASH 128-TQFP (14x14)
Active941 in stock
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Overview

The ATSAME54P20A-AUT is a high-performance 32-bit microcontroller based on the ARM Cortex-M4F core with a floating-point unit, running at speeds up to 120MHz. This device features 1MB of Flash, 256KB of RAM, and extensive connectivity options including 10/100 Ethernet MAC and Dual CAN-FD interfaces. It is designed for complex automation and communication tasks that require robust processing and a rich set of serial peripherals.

Why Choose This Part

The SAM E54 series provides a significant performance boost with its 120MHz clock and hardware FPU while maintaining versatile power management. Its comprehensive connectivity suite, including Ethernet, USB, and high-speed CAN-FD, simplifies BOM by reducing the need for external interface controllers.

Applications

Industrial Gateways
Utilizing the integrated Ethernet and dual CAN-FD ports to bridge industrial fieldbus networks to IT infrastructure.
Motor Control
Leveraging the 120MHz Cortex-M4F and PWM peripherals for precise control of brushless DC and induction motors.
HMI Panels
Driving mid-sized displays and processing touch inputs using the EBI/EMI interface for external memory expansion.
Secure IoT Nodes
Handling complex encryption and communication stacks with 1MB of Flash and integrated hardware security features.

Key Specifications

Speed 120MHz
RAM Size 256K x 8
Core Size 32-Bit
Peripherals Brown-out Detect/Reset, DMA, I2S, POR, PWM, WDT
Connectivity CANbus, EBI/EMI, Ethernet, 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 1MB (1M 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

Developers can begin evaluation using the SAM E54 Xplained Pro evaluation kit. Development is fully supported by the Microchip Harmony 3 software framework within MPLAB X IDE, which provides drivers and middleware for Ethernet, USB, and CAN-FD stacks.

ATSAME54P Family

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

Part Number RAM Flash Temp Range Stock
ATSAME54P20A-AUT (this part) 256K 1MB -40degC ~ 85degC (.. 941
ATSAME54P20A-AF 256K 1MB -40degC ~ 125degC .. 27
ATSAME54P20A-AFT 256K 1MB -40degC ~ 125degC .. 944
ATSAME54P19A-AF 192K 512KB -40degC ~ 125degC .. —

Also Consider

STM32F407VGT6 STMicroelectronics - Offers similar Cortex-M4 performance with integrated Ethernet and is a widely adopted alternative for industrial networking.
ATSAME70Q21B-ANT MCHPMicrochip Technology - Provides a higher performance Cortex-M7 core and larger memory for applications exceeding the SAM E54's processing limits.
Kinetis K64 NXP Semiconductors - Features 1MB Flash and 256KB RAM with Ethernet and USB, serving as a direct competitor in the high-performance MCU space.