ATSAM4CMS32CA-AUR

Overview

The ATSAM4CMS32CA-AUR is a Microchip Technology ARM microcontroller based on the Cortex-M4 core, operating at a maximum clock frequency of 120 MHz. It features 2 MB of embedded Flash memory and 304 KB of SRAM within a 100-pin LQFP package. The device supports a supply voltage range from 1.62 V to 3.6 V and includes integrated cryptographic security modules.

Feature Summary

• Dual-core architecture supporting simultaneous execution of application and security functions
• Integrated hardware cryptographic engine for secure data processing
• External Bus Interface (EBI) for expanding program and data memory capacity

Applications

• Smart metering systems requiring high performance and security
• Industrial control applications with complex communication requirements
• Secure IoT gateway devices

Procurement Notes

Verify the specific suffix 'AUR' indicates tape-and-reel packaging when ordering. Confirm RoHS compliance status and moisture sensitivity level (MSL) ratings prior to assembly planning. Ensure the procurement channel provides valid traceability documentation for this specific Microchip part number.

Selection Notes

Select this component for designs requiring dual-core processing capabilities combined with robust hardware security features. The 120 MHz speed and extensive memory support complex real-time tasks. Verify that the 100-pin LQFP footprint fits the target PCB layout constraints.

Part Context

This model belongs to the SAM4C series of 32-bit ARM microcontrollers designed for smart energy and industrial markets. It utilizes the Cortex-M4 processor with an optional floating-point unit. The series emphasizes integration of security peripherals alongside high-speed processing cores.

Replacement Considerations

Consult official Microchip documentation for verified cross-reference part numbers. Do not assume functional equivalence with other SAM4 series variants without verifying pinout and peripheral compatibility.