ATSAM4LS2BA-MU

Overview

The ATSAM4LS2BA-MU is a microcontroller from the SAM4L series, featuring a 32-bit ARM Cortex-M4 processor running at up to 48MHz. It includes 128KB of embedded Flash memory and 32KB of SRAM. The device supports a single power supply ranging from 1.68V to 3.6V and operates within an industrial temperature range of -40°C to +85°C. It is housed in a 64-lead QFN package measuring 9x9mm with a 0.5mm pitch.

Feature Summary

• Integrates picoPower technology for ultra-low active current consumption and multiple low-power sleep modes with fast wake-up capabilities.
• Includes a full-speed USB 2.0 device interface with an on-chip transceiver and up to eight bidirectional endpoints.
• Features a capacitive touch module supporting autonomous detection for buttons, sliders, and wheels without CPU intervention.

Applications

• Battery-powered portable devices requiring extended operational life
• USB-enabled consumer electronics and peripherals
• Applications utilizing capacitive touch interfaces

Procurement Notes

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

Selection Notes

Select this component when a balance of processing performance and low power consumption is required. The SAM4L series offers flexible memory options and extensive peripheral sets suitable for resource-constrained embedded systems.

Part Context

This part belongs to the SAM4L family of microcontrollers designed for low-power applications. The series utilizes the ARM Cortex-M4 core and integrates various communication interfaces and analog peripherals to support diverse embedded control tasks.

Replacement Considerations

Consult official substitution lists for compatible parts within the SAM4L family or other Microchip MCU series that match the required pin count, memory size, and package dimensions.