ATSAM4LS8BA-UUR

Overview

The ATSAM4LS8BA-UUR is a microcontroller from the Microchip SAM4L series, featuring an ARM Cortex-M4 processor running at up to 48MHz. It includes 512KB of embedded Flash and 64KB of SRAM. The device supports USB 2.0 Device functionality with an on-chip transceiver. It operates on a single 1.68V to 3.6V supply and utilizes picoPower technology for ultra-low power consumption.

Feature Summary

• Integrates picoPower technology for active current consumption down to 90 µA/MHz.
• Includes a Liquid Crystal Display (LCD) controller supporting passive displays.
• Features an Advanced Encryption System (AES) module with 128-bit key length.
• Provides capacitive touch sensing capabilities via the CATB module.

Applications

• Battery-powered sensor nodes
• Portable medical devices
• Industrial control systems

Procurement Notes

Verify the specific ordering suffix against official documentation to confirm package type and temperature range. Ensure compatibility with required interface standards before procurement. Confirm availability through authorized distributors as lead times may vary.

Selection Notes

Select this component for applications requiring low power consumption alongside cryptographic security features. Consider the available I/O count and peripheral set relative to system requirements. Evaluate the trade-off between processing speed and power modes for optimal efficiency.

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 peripheral configuration. The LS sub-series specifically lacks the LCD controller found in the LC series.

Replacement Considerations

Consult official substitution lists for compatible parts within the SAM4L family. Verify pin-to-pin compatibility and functional equivalence before replacing.