ATSAM4E8EA-CU

Overview

The ATSAM4E8EA-CU is an ARM Cortex-M4 microcontroller from the SAM4E series, manufactured by Microchip Technology. It features a 32-bit data bus and operates at a maximum clock frequency of 120 MHz. The device integrates 512 kB of Flash program memory and 128 kB of SRAM data RAM. It includes a 16-channel, 16-bit ADC and provides 117 I/O pins. The core voltage range is specified between 1.08 V and 1.32 V, with I/O voltages at 3.3 V. It supports interfaces including CAN, UART, USART, and USB. The component is housed in an LFBGA-144 package and functions within a temperature range of -40°C to +85°C.

Feature Summary

• Integrates an ARM Cortex-M4 processor core for high-performance 32-bit processing capabilities.
• Includes on-chip Flash memory and SRAM for code execution and data storage.
• Features multiple communication interfaces such as CAN, UART, USART, and USB for system connectivity.
• Equipped with a 16-bit analog-to-digital converter for precise signal acquisition.

Applications

• Industrial control systems requiring robust communication protocols
• Medical devices needing high-resolution analog input processing
• Consumer electronics utilizing embedded USB connectivity
• Automotive applications compatible with CAN bus networks

Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to ensure correct package type, temperature grade, and lead-free status. Confirm that the LFBGA-144 footprint matches your PCB design requirements. Check for any moisture sensitivity level (MSL) handling instructions prior to assembly. Ensure compatibility with your target operating voltage range of 1.08 V to 1.32 V for the core supply.

Selection Notes

Select this component when a balance of processing power and peripheral integration is required for cost-sensitive applications. The SAM4E series offers a scalable architecture suitable for designs transitioning from simpler MCUs. Consider the 120 MHz speed and 512 kB Flash capacity for complex firmware implementations. Evaluate the 117 available I/O lines against your interface needs before finalizing the choice.

Part Context

The ATSAM4E8EA-CU belongs to the SAM4E family of 32-bit microcontrollers based on the ARM Cortex-M4 core. This series is designed for applications demanding high performance and low power consumption. It shares architectural similarities with other SAM4E variants but differs in memory size and pin count. The CU suffix typically denotes a specific package and temperature range configuration within the product line.

Replacement Considerations

Consult Microchip's official cross-reference tools for verified substitutes. Potential alternatives within the same family include ATSAM4E16EA-CU for increased memory or ATSAM4S series for different feature sets. Ensure any replacement maintains compatibility with the LFBGA-144 package or requires PCB redesign. Verify software compatibility if migrating between different memory configurations within the SAM4E family.