ATSAM4SD32CB-CFN

Overview

The ATSAM4SD32CB-CFN is a 32-bit microcontroller from the SAM4S series, manufactured by Microchip Technology. It integrates an ARM Cortex-M4 core operating at up to 120 MHz with a 2 Kbyte cache and DSP instructions. The device features 32 Mbytes of embedded Flash memory and 512 Kbytes of SRAM. It includes a full-speed USB 2.0 Device port, multiple communication interfaces including SPI, I2C, and USART, and supports external memory via EBI/EMI. The component operates within a voltage range of 1.62V to 3.6V and is available in a 100-TFBGA package.

Feature Summary

• Integrates high-performance ARM Cortex-M4 processor with DSP capabilities and Memory Protection Unit
• Provides extensive on-chip memory including large-capacity Flash and SRAM for complex applications
• Supports secure data handling through integrated cryptographic engines and code protection mechanisms
• Features comprehensive peripheral set including USB 2.0, DMA channels, and multiple serial communication interfaces

Applications

• Smart energy metering systems requiring secure data storage and processing
• Industrial control applications utilizing real-time processing and robust connectivity
• Medical devices needing reliable operation and secure communication protocols
• Consumer electronics integrating USB connectivity and multimedia processing

Procurement Notes

Verify the specific suffix CFN against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with existing design constraints regarding pinout and power supply requirements. Cross-reference the part number with current datasheets to validate availability and any recent engineering changes or lifecycle status updates before finalizing procurement plans.

Selection Notes

Select this component when designing systems that require significant onboard memory capacity combined with security features. The inclusion of a hardware cryptographic engine makes it suitable for applications demanding data integrity and protection. Evaluate the 120 MHz processing speed against application latency requirements and ensure the TFBGA package fits the board layout constraints.

Part Context

This microcontroller belongs to the SAM4S family, which is designed for high-performance applications. The series is characterized by its ARM Cortex-M4 core and extensive peripheral integration. It serves as a system-on-chip solution for smart energy, industrial, and medical markets, offering a balance of processing power, memory, and security features within a compact form factor.

Replacement Considerations

Consult official Microchip documentation for verified substitute part numbers. Consider variants within the SAM4S series that offer different memory configurations or package options if physical footprint or capacity requirements differ. Ensure any replacement maintains compatibility with existing software and peripheral configurations.