ATSAM4LC2AA-MU

Overview

The ATSAM4LC2AA-MU is a microcontroller from the SAM4L series, featuring an ARM Cortex-M4 core running at up to 48MHz. It includes 128KB of embedded Flash and 32KB of SRAM. The device supports USB 2.0 Device and Embedded Host functions, along with a segment LCD controller and AESA encryption. It operates on a single 1.68V to 3.6V supply and utilizes a 48-lead QFN package.

Feature Summary

• Ultra-low power consumption enabled by picoPower technology
• Integrated hardware capacitive touch module for sensor applications
• Supports direct peripheral-to-peripheral communication via Peripheral Event System
• Includes 128-bit Advanced Encryption Standard module for data security

Applications

• Battery-powered wearable devices requiring low active current
• Applications utilizing monochrome passive liquid crystal displays
• Systems requiring secure data transmission via hardware encryption
• Interfaces supporting USB host capabilities for peripheral connectivity

Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with required voltage levels and interface configurations before integration into the design.

Selection Notes

Select this component when a balance of moderate memory capacity and ultra-low power operation is required. The inclusion of both USB host/device modes and LCD control makes it suitable for portable consumer electronics without excessive processing overhead.

Part Context

This part belongs to the SAM4L family, which integrates high-performance 32-bit ARM Cortex-M4 processors with state-of-the-art picoPower technology. The series emphasizes energy efficiency while maintaining robust peripheral sets for diverse embedded applications.

Replacement Considerations

Consult official cross-reference lists for compatible parts within the SAM4L family or other Microchip MCU lines offering similar pin counts and memory specifications.