ATSAM4SD16CA-CFUR

Overview

The ATSAM4SD16CA-CFUR is a 32-bit microcontroller from the Microchip SAM4S series, built on an ARM Cortex-M4 core. It features 1 MB of embedded Flash memory and 160 kB of SRAM. The device operates at a maximum clock frequency of 120 MHz and supports a supply voltage range of 1.62 V to 3.6 V. It includes a 12-bit ADC with 16 channels and provides 79 general-purpose I/O pins. Connectivity options include USB 2.0, SPI, I2C, USART, SSC, IrDA, and EBI/EMI interfaces. The component is housed in a 100-TFBGA package and functions within a temperature range of -40°C to +105°C.

Feature Summary

• Integrates an ARM Cortex-M4 processor with DSP instruction sets and a Memory Protection Unit for secure execution.
• Includes dual-bank Flash memory architecture with cache support to optimize code execution speed.
• Features an embedded voltage regulator enabling single-supply operation across various industrial environments.
• Supports high-speed communication via USB 2.0 Device interface and multiple peripheral controllers.

Applications

• Industrial control systems requiring robust processing and safety features
• Smart metering applications utilizing internal calibration circuits
• Consumer electronics devices needing low-power management modes
• Security systems integrating hardware encryption and authentication

Procurement Notes

Verify the specific suffix CFUR indicates tape-and-reel packaging when sourcing components. Confirm RoHS compliance status through official manufacturer documentation prior to integration. Ensure design compatibility with the 100-TFBGA footprint and thermal requirements for the specified operating temperature range. Cross-reference the latest datasheet for any errata or pinout modifications affecting system design.

Selection Notes

Select this model for designs requiring a balance of processing power and integrated connectivity without external memory expansion. The SAM4S series offers pin-to-pin compatibility with other SAM3 and SAM7 variants, facilitating migration paths. Consider the available DMA channels and peripheral count when evaluating system complexity. Verify that the 120 MHz performance meets real-time processing constraints for the target application.

Part Context

This component belongs to the SAM4S family of microcontrollers designed for mid-range applications. The series emphasizes efficiency in power consumption relative to processing capability. It serves as a versatile platform for developers needing reliable ARM-based control with extensive peripheral integration. The part number denotes specific memory size, package type, and commercial/industrial grade specifications.

Replacement Considerations

Consult the official SAM4S product selector for direct pin-compatible alternatives within the same family. Verify functional equivalence regarding memory capacity and peripheral availability before substituting. Check for updated manufacturing notices or lifecycle status changes that may affect long-term supply stability.