ATSAML11E15A-UUT

Overview

The ATSAML11E15A-UUT is a Microchip Technology ARM microcontroller from the SAM L11 family, featuring an ARM Cortex-M23 core. It integrates 32 KB of Flash memory and 8 KB of SRAM. The device operates within a voltage range of 1.62 V to 3.63 V and supports an industrial temperature range of -40°C to +85°C. It utilizes a WLCSP-32 package and includes security features such as AES, SHA, and TRNG.

Feature Summary

• Integrated hardware security engine supporting AES, SHA, and True Random Number Generator for secure boot and data protection
• Low-power ARM Cortex-M23 processor core optimized for energy-efficient embedded applications
• Comprehensive analog peripheral suite including high-speed ADCs and comparators for signal processing

Applications

• Secure IoT sensor nodes requiring encrypted communication
• Smart home devices with low power consumption requirements
• Industrial control systems needing reliable data integrity

Procurement Notes

Verify the specific ordering suffix against the manufacturer's current datasheet to ensure compatibility with required packaging and environmental specifications. Confirm that the WLCSP-32 package aligns with your PCB layout constraints. Check for any recent product change notices regarding assembly sites or materials to ensure supply chain continuity and compliance with project standards.

Selection Notes

Select this component when a balance of security features and low power consumption is critical. The Cortex-M23 core provides enhanced security compared to standard M0+ cores. Ensure the design accommodates the WLCSP-32 package size and thermal requirements. Verify that the available I/O count and peripheral set meet the system interface needs without requiring additional external components.

Part Context

This part belongs to the SAM L11 family of 32-bit ARM Cortex-M23 microcontrollers designed for secure, low-power applications. It shares architectural similarities with the SAM L10 series but adds advanced security peripherals. The family targets markets demanding robust data protection in compact form factors.

Replacement Considerations

Consult the official SAM L11 family errata and datasheet for pin-compatible alternatives. Cross-reference with other SAM L11 variants offering different memory sizes or package options. Verify functional equivalence before substituting to ensure all security and peripheral features remain intact.