ATSAM4LS4CA-CFU

Overview

The ATSAM4LS4CA-CFU is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at frequencies up to 48MHz. It features picoPower technology for ultra-low power consumption and includes embedded hardware capacitive touch (QTouch), USB device capabilities, and a 128-bit AES module. The device integrates 256KB of Flash memory and 32KB of SRAM. It supports various peripherals including LCD controllers, audio interfaces, and high-speed serial communication protocols.

Feature Summary

• Integrates picoPower technology for ultra-low power consumption with configurable voltage scaling.
• Includes embedded hardware capacitive touch module supporting up to 32 sensors.
• Features a 128-bit Advanced Encryption System (AES) module for data security.
• Supports direct peripheral-to-peripheral communication via the Peripheral Event System.

Applications

• Battery-powered consumer electronics
• Industrial control systems requiring low power
• Smart home devices with touch interface requirements

Procurement Notes

Verify the specific package type and temperature range against your design requirements. Confirm that the ordering suffix matches the exact pinout and environmental specifications needed for your application. Ensure compatibility with existing development tools and software frameworks before procurement.

Selection Notes

Select this component for applications requiring a balance of processing performance and low power consumption. Consider the available I/O lines and peripheral set, such as USB and capacitive touch, when evaluating suitability for your specific system architecture and functional requirements.

Part Context

This part belongs to the SAM4L series of microcontrollers from Microchip Technology. The series is designed for low-power applications and features the ARM Cortex-M4 processor. It is suitable for designs needing efficient power management alongside robust connectivity and processing capabilities.

Replacement Considerations

Check for compatible parts within the SAM4L family with similar memory sizes and pin counts. Verify electrical characteristics and peripheral availability to ensure seamless integration without redesigning the hardware or software significantly.

FAQ

What is the maximum operating frequency of the ATSAM4LS4CA-CFU?

The device operates at frequencies up to 48MHz.

Does the ATSAM4LS4CA-CFU support capacitive touch functionality?

Yes, it includes an embedded hardware capacitive touch module capable of supporting up to 32 sensors.