ATSAM4E8CA-AN

Overview

The ATSAM4E8CA-AN is a 32-bit microcontroller from the Microchip SAM4E series, featuring an ARM Cortex-M4 core with a maximum clock frequency of 120 MHz. It integrates 512 KB of Flash program memory and 128 KB of SRAM data memory. The device operates within a supply voltage range of 1.62 V to 3.6 V and supports an industrial temperature range of -40°C to +85°C. Connectivity options include CAN, UART, USART, and USB interfaces. It utilizes a 100-pin LQFP package for surface-mount installation.

Feature Summary

• Integrates a high-performance ARM Cortex-M4 processor core capable of executing complex control algorithms at speeds up to 120 MHz.
• Provides substantial non-volatile storage with 512 KB of in-system programmable Flash memory for application code and data retention.
• Includes a large 128 KB static RAM block to support extensive variable storage and stack operations during runtime.
• Features integrated communication peripherals including CAN, USB, and serial interfaces for robust system connectivity.

Applications

• Industrial automation controllers requiring reliable real-time processing
• Medical devices needing precise analog-to-digital conversion capabilities
• Consumer electronics utilizing USB connectivity for host or device modes
• Automotive instrumentation systems operating within industrial temperature ranges

Procurement Notes

Verify the specific suffix AN against official Microchip documentation to confirm the exact package type and temperature grade. Ensure compatibility with existing PCB footprints for the 100-pin LQFP configuration. Cross-reference the datasheet for any recent product change notices affecting pinout or electrical characteristics before finalizing procurement.

Selection Notes

Select this component when a balance of processing power and memory capacity is required for embedded applications. The 120 MHz speed suits tasks involving signal processing or complex protocol handling. Consider the available I/O count and peripheral set, such as the 16-bit ADCs and PWM units, to ensure they meet the specific interface requirements of the target design.

Part Context

This part belongs to the SAM4E family, designed for cost-sensitive applications demanding high performance. It shares architectural similarities with other SAM4 variants but offers specific memory and peripheral configurations tailored for general-purpose microcontroller needs. The series emphasizes low power consumption alongside robust computational capabilities.

Replacement Considerations

Consult official Microchip substitution guides for verified alternatives. Potential replacements may include other members of the SAM4E series with matching memory sizes or different package options, provided pinouts and electrical specifications remain compatible.