ATSAM4S4CA-AUR

Overview

The ATSAM4S4CA-AUR is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at a maximum frequency of 120MHz. It features 256KB of flash memory and 64KB of RAM within a 100-LQFP package. The device supports a supply voltage range of 1.62V to 3.6V and includes integrated analog-to-digital converters (16x12b) and digital-to-analog converters (2x12b). Connectivity options include USB, SPI, I2C, USART, SSC, IrDA, EBI/EMI, and SD card interfaces.

Feature Summary

• Integrates an ARM Cortex-M4 processor with single-cycle multiplication and hardware divide capabilities for efficient signal processing.
• Provides flexible connectivity through multiple serial communication interfaces including USB Full Speed and standard peripheral buses.
• Includes dedicated analog peripherals with high-resolution ADCs and DACs for precise sensor interfacing and waveform generation.

Applications

• Industrial control systems requiring robust peripheral integration
• Consumer electronics utilizing USB connectivity
• Motor control applications leveraging DSP instructions

Procurement Notes

Verify the specific suffix 'AUR' indicates tape and reel packaging when ordering. Confirm that the assembly location codes match current production standards via official PCN documents. Ensure compatibility with existing PCB footprints for the 100-LQFP package before finalizing procurement plans.

Selection Notes

Select this component when 256KB of program storage and 64KB of data memory are required alongside extensive I/O capabilities. Consider the 120MHz performance ceiling and the specific interface set including USB and EBI against alternative SAM4S variants with different memory sizes or package types.

Part Context

This part belongs to the Microchip SAM4S series, which utilizes the ARM Cortex-M4 architecture. The series offers a balance of processing power and peripheral richness for embedded applications. The ATSAM4S4CA variant specifically targets designs needing moderate memory capacity with comprehensive connectivity options in a surface-mount package.

FAQ

What is the maximum operating frequency of the ATSAM4S4CA-AUR?

The microcontroller operates at a maximum clock frequency of 120MHz.

Does this device support external memory expansion?

Yes, it includes an External Bus Interface (EBI) and External Memory Interface (EMI) for connecting external memory devices.