ATSAML11E14A-UUT

Overview

The ATSAML11E14A-UUT is an ARM microcontroller from the Microchip SAM L11 family, featuring an ARM Cortex-M23 core. It integrates 16 kB of Flash program memory and 8 kB of SRAM data RAM. The device supports a maximum clock frequency of 32 MHz and operates within a supply voltage range of 900 mV to 1.2 V. It provides 25 general-purpose I/O pins and includes a 12-bit ADC. The component is housed in a TQFP-32 package and is rated for an industrial operating temperature range from -40°C to +85°C.

Feature Summary

• Integrated hardware security features including crypto acceleration for secure key storage and cryptographic operations.
• Ultra-low power architecture designed for battery-operated applications with multiple low-power modes.
• Comprehensive peripheral set including DMA, multiple communication interfaces, and analog comparators.

Applications

• Secure IoT sensor nodes requiring hardware-based encryption
• Battery-powered wearable devices with strict power constraints
• Industrial control systems needing reliable MCU performance in harsh environments

Procurement Notes

Verify the specific suffix 'UUT' against official Microchip documentation to confirm packaging type, as standard datasheets often list 'AU' for tray packaging. Ensure compatibility with design-in requirements regarding moisture sensitivity levels and reflow soldering profiles specified in the latest product change notices.

Selection Notes

Select this part when a balance of low power consumption and robust security features is required. The Cortex-M23 core offers efficient code density suitable for constrained memory spaces. Compare pin counts and memory sizes against other SAM L11 variants if additional peripherals or storage are needed.

Part Context

This component belongs to the SAM L11 series, which focuses on ultra-low power and security. It shares the same core architecture with the SAM L10 but adds enhanced security peripherals. The series targets applications demanding high security standards alongside energy efficiency.

Replacement Considerations

Check for direct substitutes within the SAM L11 family such as ATSAML11E14A-AU, ensuring package and temperature grade match. Verify functional equivalence if considering cross-family replacements like SAM D21, noting differences in power consumption and security features.