ATSAMR21E16A-MUT

RF Transceiver ICS Overview

The ATSAMR21E16A-MUT is an RF microcontroller from the SAM R21 series, integrating a 32-bit ARM Cortex-M0+ processor with a 2.4 GHz IEEE 802.15.4-compliant radio transceiver. It features 64 kB of flash memory and 8 kB of SRAM. The device operates within a supply voltage range of 1.8 V to 3.6 V and supports a maximum clock frequency of 48 MHz. It includes a 12-bit ADC, USB interface, and multiple communication peripherals. The component is housed in a 32-pin QFN package.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M0+ core with a 2.4 GHz IEEE 802.15.4 radio transceiver for wireless connectivity
• Supports low-power operation modes including SleepWalking and Brown-Out Reset for energy efficiency
• Includes built-in hardware acceleration for cryptographic operations such as AES and SHA-256

RF Transceiver ICS Applications

• Wireless sensor networks requiring IEEE 802.15.4 compliance
• Smart home automation devices and remote controls
• Industrial monitoring systems utilizing ZigBee or Thread protocols

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'MUT' corresponds to the tape and reel packaging configuration, as this differs from tray-packaged variants like the MFT or MU. Confirm that the procurement channel provides official Microchip documentation to ensure the part meets AEC-Q100 qualification standards if automotive application is intended. Cross-reference the datasheet revision date to ensure compatibility with current design requirements.

RF Transceiver ICS Selection Notes

Select this component when a combined MCU and RF solution is required for 2.4 GHz applications. It is suitable for designs needing integrated USB connectivity alongside wireless capabilities. Consider the 64 kB flash limit for firmware size constraints. Evaluate the thermal performance of the QFN package against the system's power dissipation requirements.

RF Transceiver ICS Part Context

This part belongs to the SAM R21 family, which targets low-power wireless applications. It differentiates itself by combining processing and radio functions on a single die, reducing board space compared to discrete solutions. The family supports standard wireless protocols, facilitating rapid development for IoT and smart device markets.

RF Transceiver ICS Replacement Considerations

Public confirmed substitute part numbers are not available in the provided source material.