ATSAM4E16EA-CUR

Overview

The ATSAM4E16EA-CUR is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at a maximum frequency of 120 MHz. It features 1 MB of in-system programmable Flash memory and 128 KB of SRAM. The device includes an Ethernet MAC with dedicated DMA channels, supporting standard communication interfaces such as USB OTG, CAN, UART, USART, SPI, I2C, and SDIO. It integrates multiple analog peripherals including two 12-bit DACs and sixteen 12-bit ADC channels. The unit operates within a voltage range of 1.62 V to 3.6 V and supports industrial temperatures from -40°C to +85°C.

Feature Summary

• Integrated Ethernet MAC with DMA for high-speed network connectivity
• USB On-The-Go (OTG) controller supporting host and device modes
• High-resolution analog conversion with sixteen 12-bit ADC channels
• Dual 12-bit digital-to-analog converters for signal generation

Applications

• Industrial automation controllers requiring robust communication protocols
• Smart energy metering systems utilizing precise analog measurement
• Medical equipment needing reliable data acquisition and processing
• Consumer electronics with display and touch interface requirements

Procurement Notes

Verify the specific suffix 'CUR' against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing board layouts regarding pin assignments and power supply requirements. Confirm that the selected variant meets all regulatory standards for the intended deployment region. Cross-reference datasheet revisions to ensure feature parity with current production units.

Selection Notes

Select this component when an application demands integrated Ethernet and USB capabilities alongside substantial program storage. The 120 MHz performance suits complex control loops and multimedia processing tasks. Consider the 144-pin package constraints during PCB design. Evaluate peripheral availability against system interface needs before finalizing the choice.

Part Context

This microcontroller belongs to the SAM4E series, designed for applications requiring high performance and rich connectivity. It combines the efficiency of the ARM Cortex-M4 core with extensive peripheral sets. The series targets cost-sensitive markets while delivering advanced features typically found in higher-end processors. It serves as a central processing unit for embedded systems requiring real-time control and networking.

Replacement Considerations

Consult official substitution lists for compatible devices within the SAM4E family. Verify pin-to-pin compatibility if replacing existing hardware. Check for equivalent memory sizes and peripheral counts to ensure functional parity.