ATSAM4E16CA-AUR

Overview

The ATSAM4E16CA-AUR is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at frequencies up to 120MHz. It features 1MB of in-system programmable flash memory and 128KB of SRAM. The device includes an Ethernet MAC with a dedicated DMA controller, supporting standard network protocols. Connectivity options include multiple UARTs, SPI interfaces, I2C, USB OTG, and CAN bus. Analog capabilities are provided by sixteen 12-bit ADC channels and two 12-bit DAC outputs. Power supply ranges from 1.62V to 3.6V, with an industrial temperature range of -40°C to +85°C.

Feature Summary

• Integrated Ethernet MAC with DMA for high-speed network communication
• ARM Cortex-M4 processor with hardware floating-point unit
• Extensive analog interface set including multiple ADCs and DACs
• Comprehensive peripheral connectivity suite including USB and CAN

Applications

• Industrial automation controllers requiring robust networking
• Smart energy metering systems with multi-channel data acquisition
• Medical equipment utilizing precise analog signal processing
• Automotive infotainment and gateway modules

Procurement Notes

Verify the specific suffix 'AUR' indicates tape-and-reel packaging when sourcing components. Confirm that the manufacturer designation remains Microchip Technology following the Atmel acquisition. Ensure documentation references the official SAM4E datasheet for accurate electrical characteristics and pin configurations prior to integration.

Selection Notes

Select this component for designs demanding integrated Ethernet connectivity alongside high-performance processing. The inclusion of a hardware FPU benefits complex algorithm execution. Evaluate pin count requirements against the available package options within the SAM4E family to ensure mechanical compatibility with the target PCB layout constraints.

Part Context

This part belongs to the SAM4E series, designed for applications requiring advanced connectivity and processing power. It bridges the gap between simple control tasks and complex networked operations. The series emphasizes low power consumption while maintaining high throughput through efficient peripheral management and optimized instruction sets.

Replacement Considerations

Consult official substitution lists for variants with different memory sizes or package types within the SAM4E family. Verify pin-to-pin compatibility before replacing existing inventory. Cross-reference specifications to ensure peripheral availability matches the original design requirements.