ATSAM4LC2BA-AUR

Overview

The ATSAM4LC2BA-AUR is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at frequencies up to 48MHz. It features 128KB of embedded Flash memory and 32KB of SRAM. The device includes an LCD controller supporting up to 4x13 segments, a 128-bit AES module, and USB Device/Host capabilities. It operates within a voltage range of 1.68V to 3.6V and utilizes a 64-lead QFN package.

Feature Summary

• Integrates picoPower technology for ultra-low power consumption with configurable voltage scaling.
• Includes a segment LCD controller and hardware capacitive touch module for user interface applications.
• Features a 128-bit Advanced Encryption System (AES) module for secure data processing.
• Supports direct peripheral-to-peripheral communication via the Peripheral Event System.

Applications

• Battery-powered consumer devices requiring low active current
• Applications utilizing monochrome passive liquid crystal displays
• Systems requiring hardware-accelerated cryptographic operations
• Portable devices needing integrated USB connectivity

Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with required development tools and software frameworks before procurement. Confirm that the component meets all necessary environmental and regulatory standards for the intended deployment.

Selection Notes

Select this model when the application requires a balance of processing performance and energy efficiency. The inclusion of dedicated LCD and touch controllers reduces CPU load for display management. Consider the available I/O count and peripheral set relative to system requirements to ensure optimal resource utilization.

Part Context

This component belongs to the SAM4L series of microcontrollers designed for low-power applications. The series leverages Atmel's picoPower technology to minimize energy usage while maintaining high performance. It targets markets demanding efficient, feature-rich solutions for portable and battery-operated electronics.

Replacement Considerations

Consult official substitution lists for verified alternatives. Cross-reference pinouts and electrical characteristics carefully when considering family members or updated revisions to ensure functional compatibility without redesigning the host circuitry.

FAQ

Does the ATSAM4LC2BA-AUR support both USB device and host modes?

Yes, the LC sub-series integrates a full-speed USB 2.0 interface capable of functioning as both a device and an embedded host.

What is the maximum number of segments supported by the LCD controller?

The LCD controller in this specific part supports up to 4 common terminals and 13 segment terminals.