ATSAM4E8CA-ANR

Overview

The ATSAM4E8CA-ANR is an ARM microcontroller featuring the Cortex-M4 core, operating at a maximum clock frequency of 120 MHz. It integrates 512 kB of Flash program memory and 128 kB of SRAM data memory within a 100-pin LQFP package. The device supports a supply voltage range from 1.08 V to 1.32 V for the core and operates between -40°C and +85°C. Key peripherals include a 16-bit ADC with eight channels, USB Full-Speed interface, CAN controller, and multiple serial communication interfaces.

Feature Summary

• Integrates a high-performance ARM Cortex-M4 processor with hardware floating-point unit for efficient signal processing.
• Includes integrated USB Full-Speed controller and CAN interface for robust connectivity options.
• Features a 16-bit analog-to-digital converter with multiple input channels for precise signal acquisition.
• Provides extensive peripheral set including Ethernet MAC, DMA controllers, and multiple serial communication modules.

Applications

• Industrial automation control systems
• Medical equipment requiring precise analog signal processing
• Automotive body electronics and infotainment subsystems
• Smart energy metering devices

Procurement Notes

Verify component authenticity through authorized Microchip distributors or certified partners. Confirm RoHS compliance status and specific manufacturing lot codes against current datasheet revisions. Ensure proper handling procedures are followed due to moisture sensitivity classification. Validate that the LQFP-100 package variant matches the design requirements for thermal performance and mechanical fit.

Selection Notes

Select this model when a balance of processing power and peripheral richness is required in a compact form factor. The 120 MHz Cortex-M4 core suits applications needing real-time response capabilities. Consider the 512 kB Flash size for complex firmware implementations. Evaluate the 128 kB RAM allocation against application stack and buffer requirements before finalizing the design choice.

Part Context

This component belongs to the SAM4E series of 32-bit microcontrollers designed for cost-sensitive embedded applications. The series targets markets demanding reliable performance with integrated connectivity features. The ATSAM4E8CA-ANR represents a specific configuration within this family, optimized for industrial and commercial environments requiring stable operation across wide temperature ranges.

Replacement Considerations

Consult official Microchip documentation for qualified pin-to-pin compatible alternatives within the SAM4E series. Verify functional equivalence regarding peripheral availability and memory capacity before substitution. Cross-reference package dimensions and electrical characteristics to ensure compatibility with existing PCB layouts and system constraints.