ATSAM4E8EA-CUR

Overview

The ATSAM4E8EA-CUR is a 32-bit microcontroller from the Microchip SAM4E series, featuring an ARM Cortex-M4 core. It integrates 512 kB of flash memory and 128 kB of SRAM. The device operates at a maximum clock frequency of 120 MHz and supports a supply voltage range of 1.62 V to 3.6 V. It includes 117 general-purpose I/Os, 16-channel 12-bit ADCs, and two 12-bit DACs. Connectivity options include CANbus, Ethernet, USB, SPI, UART/USART, SD, IrDA, and EBI/EMI interfaces.

Feature Summary

• Integrates an ARM Cortex-M4 processor with single-cycle multiplication and hardware divide for efficient digital signal processing.
• Provides comprehensive connectivity through integrated Ethernet MAC, USB OTG, and CAN controller peripherals.
• Features high-resolution analog conversion capabilities with multiple 12-bit ADC channels and dual 12-bit DAC outputs.
• Includes advanced power management features such as multiple low-power modes and internal oscillators.

Applications

• Industrial automation controllers requiring robust communication protocols
• Medical devices needing precise analog signal acquisition and processing
• Smart metering systems utilizing energy-efficient operation modes
• Consumer electronics with display interfaces and user input requirements

Procurement Notes

Verify the specific suffix 'CUR' against official Microchip documentation to confirm package type and temperature grade. Ensure compatibility with existing PCB footprints for the LFBGA-144 package. Check for moisture sensitivity level requirements during assembly. Confirm that the operating voltage range aligns with system power rails. Validate component authenticity through authorized distribution channels.

Selection Notes

Select this model when 512 kB of program storage is sufficient for application firmware. Choose the BGA package for space-constrained designs requiring high pin counts. Consider the 120 MHz performance for applications demanding real-time data processing. Evaluate the peripheral set, particularly Ethernet and USB, against interface needs. Compare power consumption characteristics in active and sleep modes against alternative MCUs.

Part Context

This component belongs to the SAM4E family, designed for cost-sensitive applications requiring moderate performance. It shares architectural similarities with other SAM4E variants but differs in memory size and package options. The family targets embedded control applications where integration of communication interfaces reduces external component count.

Replacement Considerations

Consult Microchip datasheets for direct pin-compatible alternatives within the SAM4E series. Verify functional equivalence for specific peripheral configurations before substitution. Cross-reference memory sizes and clock speeds to ensure performance adequacy. Check for any changes in package dimensions or thermal characteristics.