ATSAM4SD16CA-AUR

Overview

The ATSAM4SD16CA-AUR is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at speeds up to 120 MHz. It features 1 Mbyte of embedded Flash memory and 160 Kbytes of SRAM. The device includes an 8-bit Static Memory Controller supporting SRAM, PSRAM, NOR, and NAND Flash. Connectivity options include USB 2.0 Device, I2C, SPI, SSC, USART/UART, IrDA, and SD/MMC card interfaces. It operates within a voltage range of 1.62V to 3.6V and supports industrial temperature ranges.

Feature Summary

• Integrates an ARM Cortex-M4 processor with DSP instructions and a Memory Protection Unit for secure execution.
• Provides dual-bank Flash memory architecture with cache support for efficient code execution.
• Includes an embedded voltage regulator enabling single-supply operation across various power domains.
• Features multiple DMA channels and low-power modes including sleep and backup states.

Applications

• Industrial control systems requiring robust memory management and real-time processing.
• Consumer electronics utilizing USB connectivity and high-speed data transfer.
• Medical devices needing precise analog-to-digital conversion and reliable reset mechanisms.
• Automotive applications demanding extended temperature range operation and safety features.

Procurement Notes

Verify the specific suffix 'AUR' indicates tape and reel packaging when sourcing components. Confirm that the manufacturer designation aligns with Microchip Technology following the Atmel acquisition. Ensure compliance with RoHS3 directives as specified in current product documentation. Check for any recent Product Change Notifications regarding assembly sites or marking changes before finalizing procurement orders.

Selection Notes

Select this component when 1 Mbyte of program storage and 160 Kbytes of RAM are required for complex firmware applications. The inclusion of an 8-bit SMC makes it suitable for designs interfacing with external memory devices. Consider the 120 MHz clock speed for performance-intensive tasks involving DSP operations. Verify pin compatibility if migrating from SAM3N or SAM3S series devices due to architectural similarities.

Part Context

This part belongs to the SAM4S family of microcontrollers, which are designed for high-performance embedded applications. The SAM4S series bridges the gap between legacy SAM7 products and newer architectures, offering pin-to-pin compatibility with select SAM3 variants. It utilizes the ARM Cortex-M4 core, distinguishing it from earlier ARM7-based solutions in the company's portfolio.

Replacement Considerations

ATSAM4SD16CB-CN

FAQ

Does the ATSAM4SD16CA-AUR support external memory expansion?

Yes, the device includes an 8-bit Static Memory Controller (SMC) that supports connection to SRAM, PSRAM, NOR Flash, and NAND Flash devices.

What is the maximum operating frequency of the Cortex-M4 core in this MCU?

The ARM Cortex-M4 core can operate at frequencies up to 120 MHz.