ATSAM4LS2BA-UUR

Overview

The ATSAM4LS2BA-UUR is a microcontroller from the SAM4L series, featuring a 32-bit ARM Cortex-M4 processor running at up to 48 MHz. It includes 128 kB of embedded Flash memory and 32 kB of SRAM. The device supports a single power supply ranging from 1.68 V to 3.6 V. Key peripherals include USB 2.0 Device support, four TWI interfaces, three USARTs, one SPI interface, a 16-channel 12-bit ADC, and a capacitive touch module.

Feature Summary

• Integrates picoPower technology for ultra-low power consumption with configurable voltage scaling.
• Includes an embedded hardware capacitive touch module supporting up to 32 sensors.
• Features a full-speed USB 2.0 device interface with an on-chip transceiver.
• Provides direct peripheral-to-peripheral communication via the Peripheral Event System.

Applications

• Battery-powered wearable devices
• Industrial sensor nodes
• Consumer electronics with touch interfaces

Procurement Notes

Verify the specific ordering suffix against official Microchip documentation to confirm package type and temperature range. Ensure compatibility with required firmware libraries and development tools before procurement.

Selection Notes

Select this component for applications requiring low active current consumption combined with USB connectivity and capacitive touch capabilities. Consider the 48 MHz processing speed and available I/O count for system requirements.

Part Context

This part belongs to the SAM4L family of low-power microcontrollers based on the ARM Cortex-M4 core. The series emphasizes energy efficiency through picoPower technology while maintaining high performance for real-time control applications.

Replacement Considerations

Consult official substitution lists for pin-compatible or functionally equivalent parts within the SAM4L family or other Microchip MCU series.