ATSAM4LC4BA-MUR

Overview

The ATSAM4LC4BA-MUR is a 32-bit microcontroller based on the ARM Cortex-M4 core, operating at frequencies up to 48MHz. It features 256KB of embedded Flash memory and 32KB of SRAM. The device supports a single power supply ranging from 1.68V to 3.6V and includes an integrated LCD controller, USB device and host capabilities, and hardware encryption via AESA. It utilizes picoPower technology for ultra-low power consumption across various sleep modes.

Feature Summary

• Integrates ARM Cortex-M4 processor with Memory Protection Unit (MPU) and Thumb-2 instruction set
• Features picoPower technology enabling active current consumption down to 90 µA/MHz with configurable voltage scaling
• Includes segment LCD controller, capacitive touch module (CATB), and Advanced Encryption System (AES)
• Supports direct peripheral-to-peripheral communication through Peripheral Event System (PES) and DMA

Applications

• Battery-powered wearable devices requiring low power consumption
• Industrial control systems utilizing LCD displays and capacitive touch interfaces
• Secure data transmission applications leveraging hardware AES encryption
• USB-enabled consumer electronics supporting both device and host modes

Procurement Notes

Verify that the ordering suffix matches the required package type and temperature range. Confirm RoHS compliance status as indicated in official documentation. Ensure the specific variant aligns with the intended application's pinout and peripheral requirements before finalizing procurement orders.

Selection Notes

Select this component when a balance of processing performance and low power consumption is required. Consider the availability of specific peripherals like the LCD controller or USB host functionality. Evaluate the package options available for the SAM4LC series to match board space constraints and thermal requirements effectively.

Part Context

This part belongs to the Microchip SAM4L series, designed for low-power applications. The SAM4LC sub-series specifically adds features like the LCD controller and AES hardware encryption compared to other variants in the family. It targets applications needing efficient power management alongside robust connectivity and security features.

Replacement Considerations

Check for compatible parts within the SAM4L family such as ATSAM4LS variants if LCD/AESA features are not needed. Verify pin compatibility and peripheral availability against existing designs. Consult official substitution lists for any updated revisions or alternative packages offering similar specifications.