ATSAML21E16B-MNT

Overview

The ATSAML21E16B-MNT is an ARM microcontroller from the SAML21 series, featuring an ARM Cortex-M0+ core operating at a maximum clock frequency of 48 MHz. It integrates 64 kB of Flash program memory and 8 kB of SRAM data RAM within a VQFN-48 package. The device supports a supply voltage range of 1.62 V to 3.63 V and includes a 12-bit ADC with 14 channels, a 12-bit DAC, and multiple communication interfaces such as I2C, LIN, SPI, USART, and USB.

Feature Summary

• Integrates a low-power ARM Cortex-M0+ processor core optimized for energy efficiency in battery-operated applications.
• Provides comprehensive analog capabilities including a high-resolution 12-bit ADC and DAC for precise signal processing.
• Supports versatile connectivity through integrated serial communication peripherals like USB, SPI, and I2C.

Applications

• Battery-powered wearable devices requiring low power consumption
• Industrial control systems utilizing serial communication protocols
• Consumer electronics with analog sensor interfaces

Procurement Notes

Verify the specific suffix MNT corresponds to the VQFN-48 package and commercial temperature range during sourcing. Confirm RoHS compliance status and moisture sensitivity level requirements for your assembly process. Ensure the component availability aligns with your production timeline as lead times may vary by distributor.

Selection Notes

Select this model when a balance of moderate memory capacity and rich peripheral set is required in a compact footprint. Compare against ATSAMD21 variants if automotive qualification is not needed, or ATSAML21J variants if higher memory density is necessary. Evaluate pin count constraints against the 37 available I/Os in the 48-pin package.

Part Context

This component belongs to the Microchip SAM L21 family of 32-bit ARM Cortex-M0+ microcontrollers designed for ultra-low power applications. The family emphasizes energy efficiency while maintaining robust performance and extensive peripheral integration for IoT and industrial use cases.

Replacement Considerations

ATSAMD21E16A-MUT shares similar memory and core specifications but lacks the specific SAML21 feature set. ATSAML21G16B-MNT offers identical memory but fewer I/O pins. Verify pin compatibility and peripheral differences before substitution.