ATSAML11E14A-MF

Overview

The ATSAML11E14A-MF is a Microchip Technology ARM microcontroller from the SAM L11 series, featuring an ARM Cortex-M23 core. It integrates 16 kB of Flash program memory and 8 kB of SRAM data RAM. The device operates within a supply voltage range of 1.62 V to 3.63 V and supports a maximum clock frequency of 32 MHz. It includes a 12-bit ADC with 10 channels and a 10-bit DAC. The component is housed in a 32-pin VQFN package and is rated for an operating temperature range of -40°C to +85°C.

Feature Summary

• Integrates hardware security features including TrustZone-M and cryptographic accelerators for secure boot and data protection.
• Includes a Programmable Threshold Controller (PTC) that combines analog comparators, touch sensing capabilities, and temperature measurement functions.
• Features multiple Serial Communication (SERCOM) modules supporting standard protocols such as I2C, SPI, and USART.

Applications

• Secure IoT sensor nodes requiring low power consumption and hardware encryption
• Industrial control systems utilizing programmable threshold monitoring
• Smart metering devices needing reliable serial communication interfaces

Procurement Notes

Verify the specific suffix 'MF' against the official datasheet to confirm the 32-VQFN package and industrial temperature grade. Ensure compatibility with existing PCB footprints for the VQFN-32 form factor. Confirm that the required firmware supports the integrated TrustZone-M security architecture before finalizing procurement.

Selection Notes

Select this part when a balance of moderate memory capacity and robust security features is required. The SAM L11 series is suitable for applications demanding low active current consumption alongside hardware-based cryptographic acceleration. Compare pin counts and peripheral availability against alternative packages if board space constraints exist.

Part Context

This component belongs to the Microchip SAM L11 family of Arm Cortex-M23 microcontrollers designed for ultra-low power and security-sensitive applications. The family offers various memory configurations and package options to accommodate different design requirements while maintaining consistent peripheral sets and software compatibility across the series.

Replacement Considerations

Consult the official SAM L11 Family Errata and Datasheet for verified pin-to-pin compatible alternatives within the same series. Cross-reference specific memory sizes and package dimensions to ensure mechanical and functional equivalence without redesigning the host system.