ATSAMR21G18A-MUT

RF Transceiver ICS Overview

The ATSAMR21G18A-MUT is a radio frequency microcontroller from the Microchip SAMR21 series, featuring an ARM Cortex-M0+ core. It integrates 256 kB of Flash program memory and 32 kB of SRAM data memory. The device supports a maximum clock frequency of 48 MHz and includes a 12-bit ADC with 8 channels. It operates at a fixed supply voltage of 3.3 V and provides 28 I/O pins via a QFN-48 package. Connectivity interfaces include SPI, UART, and USB.

RF Transceiver ICS Feature Summary

• Integrates IEEE 802.15.4-compliant 2.4 GHz RF transceiver for wireless communication
• Combines ARM Cortex-M0+ processing core with integrated radio functionality
• Supports multiple serial communication protocols including SPI, UART, and USB

RF Transceiver ICS Applications

• Wireless sensor network nodes
• Smart home automation devices
• Industrial monitoring systems

RF Transceiver ICS Procurement Notes

Verify that the suffix 'T' indicates tape-and-reel packaging rather than tray packaging when placing orders. Confirm the specific operating temperature range and voltage requirements match the target application design constraints before procurement to ensure compatibility with existing system architectures.

RF Transceiver ICS Selection Notes

Select this component for applications requiring integrated wireless connectivity alongside local processing capabilities. The 256 kB memory size accommodates complex firmware implementations compared to lower-capacity variants in the same family. Ensure the design supports the required 3.3 V power supply and utilizes the available GPIO count for peripheral connections.

RF Transceiver ICS Part Context

This part belongs to the ATSAMR21 series of wireless microcontrollers designed for low-power IoT applications. It shares the same core architecture and interface set as other members like the ATSAMR21G17A but offers increased memory capacity. The variant is specifically packaged for surface-mount assembly using reel-based manufacturing processes.

RF Transceiver ICS Replacement Considerations

The ATSAMR21G18A-MU serves as a direct functional substitute differing only in packaging format (tray versus tape-and-reel). Other family members such as the ATSAMR21G17A offer identical features but with reduced memory sizes.