ATSAM4CMS32CA-AU

Overview

The ATSAM4CMS32CA-AU is a 32-bit microcontroller from the SAM4CM series, featuring a dual-core ARM Cortex-M4/M4F architecture. It integrates 32MB of embedded Flash memory and 1MB of SRAM. The device operates at a maximum clock frequency of 120MHz and includes an internal oscillator. It supports a supply voltage range of 1.62V to 3.6V and is housed in a 144-LQFP package with dimensions of 20x20mm.

Feature Summary

• Dual-core ARM Cortex-M4/M4F architecture for integrated application and security processing
• High-density memory configuration with 32MB Flash and 1MB SRAM
• Comprehensive connectivity including USB, Ethernet, CAN, and multiple serial interfaces

Applications

• Smart metering systems requiring secure data handling
• Industrial control applications demanding high performance
• Medical equipment utilizing advanced signal processing

Procurement Notes

Verify the specific suffix against official Microchip documentation to confirm package type and temperature rating. Ensure compatibility with existing design constraints regarding pinout and power requirements before procurement.

Selection Notes

Select this component for designs requiring significant code storage and complex real-time processing capabilities. Evaluate the dual-core architecture benefits for separating critical security tasks from general application logic.

Part Context

This part belongs to the SAM4CM family, designed for high-performance embedded applications. It shares architectural similarities with other SAM4C devices but offers expanded memory resources suitable for more complex firmware implementations.

Replacement Considerations

Consult official substitution lists for equivalent parts within the SAM4CM or SAM4C families. Verify functional compatibility and pin-to-pin correspondence before considering alternative components.