ATSAM4LS2CA-CFUR

Overview

The ATSAM4LS2CA-CFUR is a microcontroller from the SAM4L series, featuring an ARM Cortex-M4 core operating at up to 48 MHz. It includes 128 KB of embedded Flash memory and 32 KB of SRAM. The device supports a single power supply ranging from 1.68 V to 3.6 V. Key peripherals include USB 2.0 Device/Host, LCD controller, AESA, capacitive touch module, and various communication interfaces like USART, SPI, and TWI.

Feature Summary

• Ultra-low power consumption with picoPower technology
• Integrated LCD controller for passive displays
• Hardware cryptographic acceleration via AESA
• Capacitive touch sensing capabilities

Applications

• Battery-powered wearable devices
• Industrial control systems requiring low power
• Consumer electronics with touch interfaces
• USB-enabled data logging equipment

Procurement Notes

Verify the specific ordering suffix CFUR indicates tape and reel packaging when sourcing components. Confirm that the device meets RoHS compliance requirements for your region. Ensure the supplier provides valid traceability documentation for the Microchip Technology part number.

Selection Notes

Select this component for applications needing balanced performance and power efficiency. The SAM4L series offers flexible power modes suitable for battery operation. Consider the available I/O count and peripheral set against system requirements before finalizing the design.

Part Context

This part belongs to the SAM4L family, designed for low-power applications. It shares architectural similarities with other SAM4L variants but differs in memory size and package options. The series emphasizes energy efficiency without compromising processing capability.

Replacement Considerations

Check for direct substitutes within the SAM4L series with matching memory configurations. Verify pin compatibility if replacing in existing designs. Consult official replacement lists for any end-of-life notices or recommended upgrades.