ATSAM4E8EB-CN

Overview

The ATSAM4E8EB-CN 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 memory. The device supports a maximum clock frequency of 120 MHz and provides 117 general-purpose I/O lines. Key peripherals include a 16-bit ADC with eight channels, multiple communication interfaces such as USB, CAN, UART, and USART, along with nine timer/counters. It operates within a voltage range of 1.08 V to 1.32 V for the core and supports 3.3 V I/O levels, housed in an LFBGA-144 package.

Feature Summary

• Integrates an ARM Cortex-M4 processor core with hardware floating-point unit support for efficient digital signal processing.
• Includes a comprehensive set of high-speed communication interfaces including USB OTG, CAN, and multiple serial protocols.
• Features a 16-bit analog-to-digital converter with multiple input channels for precise signal acquisition.
• Supports flexible memory access via External Memory Interface for expansion beyond internal storage limits.

Applications

• Industrial control systems requiring robust real-time processing capabilities
• Medical devices utilizing high-resolution analog signal monitoring
• Consumer electronics incorporating USB connectivity and user interface controls
• Automotive applications leveraging CAN bus communication protocols

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm temperature grade and packaging details. Ensure compatibility with existing board designs regarding the LFBGA-144 footprint and pinout configuration. Confirm moisture sensitivity level handling requirements during assembly to prevent damage. Cross-reference the latest datasheet revision for any errata or recommended operating conditions that may impact system reliability.

Selection Notes

Select this component when a balance of processing power and peripheral richness is required for embedded applications. The 120 MHz speed and 512 kB Flash provide sufficient resources for complex firmware without excessive cost. Consider the 16-bit ADC resolution if high-precision analog measurements are necessary. Evaluate the available I/O count against system interface requirements to ensure adequate connectivity options.

Part Context

This part belongs to the SAM4E family, designed for applications needing high performance and low power consumption. The series utilizes the ARM Cortex-M4 architecture, offering enhanced DSP instructions compared to previous generations. It serves as a scalable solution within Microchip's portfolio, bridging the gap between entry-level MCUs and more complex processors.

Replacement Considerations

Consult official substitution lists for compatible parts within the SAM4E family. Verify pin-to-pin compatibility and electrical specifications before replacing. Ensure software compatibility with the new component's memory map and peripheral configurations.