ATSAM4E8EB-CNR

Overview

The ATSAM4E8EB-CNR is a 32-bit microcontroller from the Microchip SAM4E series, featuring an ARM Cortex-M4 processor core. It integrates 512 kB of Flash program memory and 128 kB of SRAM data RAM. The device supports a maximum clock frequency of 120 MHz and operates within a voltage range of 1.08 V to 1.32 V for the core, with I/O voltages at 3.3 V. It includes a 16-bit ADC with 8 channels, multiple timers, and interfaces such as CAN, UART, USART, and USB. The component is housed in an LFBGA-144 package and is rated for industrial temperatures between -40°C and +85°C.

Feature Summary

• Integrates an ARM Cortex-M4 processor core with hardware floating-point unit support for efficient digital signal processing.
• Includes on-chip NAND flash controller supporting external NAND flash memory expansion.
• Features integrated USB OTG controller and Ethernet MAC for connectivity applications.
• Provides comprehensive analog peripherals including high-resolution ADCs and comparators.

Applications

• Industrial motor control systems
• Medical equipment requiring precise analog signal acquisition
• Smart energy metering devices
• Automotive infotainment and instrument clusters

Procurement Notes

Verify the specific suffix 'CNR' against the official Microchip datasheet to confirm package type, temperature grade, and lead-free status. Ensure compatibility with existing PCB footprints for the LFBGA-144 package. Check for moisture sensitivity level requirements during storage and handling. Confirm that the supply voltage ranges match the target system design constraints.

Selection Notes

Select this component when a balance of processing power and peripheral integration is required for embedded control applications. The 120 MHz Cortex-M4 core offers sufficient performance for complex algorithms while maintaining low power consumption. Consider the available GPIO count and interface options relative to system connectivity needs. Evaluate the cost-performance ratio compared to higher-end SAM4S or lower-end SAMD series devices.

Part Context

The ATSAM4E8EB-CNR belongs to the SAM4E family, designed for cost-sensitive applications needing robust performance. It shares architectural similarities with other SAM4E variants but differs in memory size and package options. This series targets markets such as industrial automation, medical devices, and smart meters where reliability and feature density are critical.

Replacement Considerations

Direct substitutes include other members of the SAM4E family such as ATSAM4E8EA or ATSAM4E16, depending on memory requirements. Verify pin-to-pin compatibility if migrating to different packages like LQFP or BGA variants. Cross-reference with SAM4S series for enhanced features if budget permits.