ATSAM4S16CA-CUR

Overview

The ATSAM4S16CA-CUR is a 32-bit microcontroller from the Microchip SAM4S series, built on the ARM Cortex-M4 core. It operates at a maximum frequency of 120 MHz and integrates 1 MB of embedded Flash memory with 128 KB of SRAM. The device features a 100-pin TFBGA package and supports an operating temperature range of -40°C to +105°C. Key peripherals include USB 2.0, multiple communication interfaces such as SPI, I2C, and USART, along with 16-channel 12-bit ADCs and two 12-bit DACs.

Feature Summary

• Integrates ARM Cortex-M4 processor with DSP instruction set for high-performance signal processing capabilities.
• Includes full-speed USB 2.0 device port with on-chip transceiver for reliable connectivity.
• Features comprehensive peripheral DMA channels to reduce CPU load during data transfers.
• Supports low-power operation modes including sleep and backup states for energy efficiency.

Applications

• Industrial control systems requiring robust real-time processing
• Smart metering applications demanding secure and efficient data handling
• Consumer electronics utilizing USB connectivity and analog signal acquisition

Procurement Notes

Verify the specific suffix CUR indicates tape and reel packaging when sourcing components. Confirm the manufacturer part number matches exactly to ensure compatibility with existing designs. Check for any recent product change notices regarding assembly sites or material composition updates before finalizing procurement plans.

Selection Notes

Select this component for designs requiring a balance of high processing speed and extensive memory within a compact surface-mount package. Ensure the application benefits from the integrated USB controller and rich peripheral set. Consider the industrial temperature range suitability for harsh environments compared to commercial grade alternatives in the same family.

Part Context

This MCU belongs to the SAM4S family, which provides pin-to-pin compatibility with previous generations like SAM3S. It serves as a scalable solution for applications needing advanced security features and multimedia processing. The architecture supports flexible memory configurations and offers a mature ecosystem for development tools and software libraries.

Replacement Considerations

Direct substitutes within the same package and specification include other variants from the SAM4S series such as ATSAM4S16CA-AU for LQFP packaging or ATSAM4SD16CB-CN for TFBGA with different memory sizes. Verify pinout compatibility and firmware adaptability when transitioning between these related models.