Mcu, 32Bit, Cortex-M3, 84Mhz, Lqfp-144; Product Range:Sam32 Family Sam 3X Series Microcontrollers; Architecture:Arm Cortex-M3; No. Of Bits:32Bit; Cpu Speed:84Mhz; Program Memory Size:512Kb; Ram Memory Size:96Kb; No. Of Pins:144Pins; Rohs Compliant: Yes |Microchip ATSAM3X8EA-AU

ATSAM3X8EA-AU – 32-bit ARM Cortex-M3 Microcontroller – Microchip Technology

Upgrade your embedded systems with the ATSAM3X8EA-AU high-performance microcontroller from Microchip Technology. This 32-bit ARM® Cortex®-M3 IC delivers exceptional processing power with rich connectivity options, making it ideal for complex industrial, automation, and IoT applications. Experience reliable operation, low power consumption, and extensive peripheral integration—backed by PCX’s guaranteed genuine components and rapid shipping.

Key Features

• Core Processor: 32-bit ARM® Cortex®-M3 @ 84MHz
• Memory: 512KB Flash + 100KB SRAM
• Voltage Range: Ultra-low power 1.62V – 3.6V operation
• I/O Capabilities: 103 programmable I/O pins
• Connectivity: CANbus, Ethernet, USB, SPI, I2C, UART & more
• Operating Temp: Industrial-grade -40°C to 85°C

Technical Specifications

The ATSAM3X8EA-AU integrates a 12-bit ADC (16 channels) and dual 12-bit DACs alongside advanced peripherals including DMA controllers, PWM timers, and brown-out detection. Its 144-LQFP (20×20) surface-mount package offers robust performance in space-constrained designs. The internal oscillator reduces external components while supporting industrial temperature ranges for harsh environments. Download full datasheet.

Typical Applications

• Industrial automation controllers
• IoT gateway devices
• Motor control systems
• Medical monitoring equipment
• Consumer electronics interfaces

About Microchip Technology

Microchip Technology is a global leader in microcontroller and analog semiconductors, renowned for innovation in embedded control solutions. With over 30 years of industry expertise, they deliver certified components meeting rigorous quality standards for aerospace, automotive, and industrial markets.

Their SAM3X series represents a benchmark in ARM Cortex-M3 reliability, featuring fail-safe architectures and extended product lifecycles. Microchip’s commitment to technical support and documentation ensures seamless integration into mission-critical designs worldwide.

About Microcontrollers

Microcontrollers serve as the computational heart of embedded systems, integrating processor cores, memory, and I/O interfaces into single-chip solutions. They enable precise control of electronic devices while optimizing power efficiency and reducing system complexity.

Modern 32-bit MCUs like the SAM3X series are essential for real-time processing in connected applications. Their scalability balances performance with energy management, making them fundamental to automation, smart sensors, and human-machine interfaces across industries.

Packaging Options

Available in protective manufacturing trays for automated assembly. Contact PCX for reel packaging customization options.

Frequently Asked Questions

Q: Is this MCU suitable for battery-powered devices?
A: Yes, its 1.62V–3.6V operating range and sleep modes optimize energy efficiency.

Q: Does PCX provide design support for this microcontroller?
A: PCX offers technical documentation links and manufacturer resources; contact our support team for integration guidance.

Q: What development tools support the ATSAM3X8EA-AU?
A: Microchip’s MPLAB® X IDE and SAM-ICE debuggers are fully compatible.

Q: Can it handle Ethernet communication?
A: Yes, integrated Ethernet MAC enables network connectivity.

Q: Is the internal flash memory reprogrammable?
A: Absolutely, the 512KB flash supports in-circuit programming via USB/UART.

Q: How does Cortex-M3 benefit real-time applications?
A: The deterministic architecture ensures low-latency interrupt handling for time-sensitive tasks.

Ready to deploy? Order genuine ATSAM3X8EA-AU microcontrollers today for same-day shipping and dedicated PCX support!

Product images are representational. Refer to datasheets for exact specifications.