ATSAMR21G17A-MU

RF Transceiver ICS Overview

The ATSAMR21G17A-MU is a radio frequency microcontroller from the SAM R21 series, integrating an ARM Cortex-M0+ core with a 2.4 GHz IEEE 802.15.4 transceiver. It features 128 kB of Flash memory and 16 kB of SRAM. The device operates on a supply voltage range of 1.8 V to 3.6 V and supports a maximum clock frequency of 48 MHz. It includes an 8-channel 12-bit ADC, 28 I/O pins, and interfaces such as SPI, UART, and USB. The component is housed in a 48-pin WLCSP package.

RF Transceiver ICS Feature Summary

• Integrates an ARM Cortex-M0+ processor with a 2.4 GHz IEEE 802.15.4 compliant RF transceiver for low-power wireless connectivity.
• Provides non-volatile program storage via integrated Flash memory alongside static RAM for data handling.
• Supports multiple communication protocols including SPI, UART, and USB for versatile peripheral interfacing.
• Includes analog-to-digital conversion capabilities with multiple channels for sensor interface applications.

RF Transceiver ICS Applications

• Wireless sensor networks requiring IEEE 802.15.4 compliance
• Smart home automation devices
• Industrial monitoring systems

RF Transceiver ICS Procurement Notes

Verify the specific suffix 'MU' indicates the WLCSP-48 packaging configuration when sourcing. Confirm that the operating temperature range aligns with your environmental requirements. Ensure compatibility with the 1.8 V to 3.6 V supply voltage domain. Check for any specific revision levels or manufacturing dates if long-term availability is critical. Validate pinout assignments against your PCB design constraints.

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 low power consumption and small form factors due to the WLCSP package. Consider alternative parts if higher Flash capacity or different RF bands are necessary. Evaluate the 48 MHz processing speed against application latency requirements.

RF Transceiver ICS Part Context

This part belongs to the Microchip SAM R21 family, which targets Zigbee and Thread protocol stacks. The series is designed for IoT applications requiring secure, low-power wireless communication. The G17 variant specifically denotes the 128 kB Flash memory configuration within the product line.

RF Transceiver ICS Replacement Considerations

• ATSAMR21G18A-MU

RF Transceiver ICS FAQ

What is the maximum operating voltage for the ATSAMR21G17A-MU?

The maximum operating supply voltage is 3.6 V.

Does this microcontroller support USB connectivity?

Yes, the device includes a USB interface for communication and programming.