ATMEGA256RFR2-ZUR

RF Transceiver ICS Overview

The ATMEGA256RFR2-ZUR is a single-chip microcontroller integrating an 8-bit AVR RISC processor with an IEEE 802.15.4-compliant radio transceiver operating in the 2.4 GHz ISM band. It features 256 KB of Flash memory, 32 KB of SRAM, and a 16 MHz maximum clock frequency. The device supports high data rates from 250 kb/s to 2 Mb/s and includes hardware-assisted multiple PAN address filtering for network support. Packaged in a 48-pin QFN with exposed pad, it operates within a voltage range of 1.8 V to 3.6 V.

RF Transceiver ICS Feature Summary

• Integrates an 8-bit AVR RISC microcontroller core with an IEEE 802.15.4 compliant radio transceiver on a single chip.
• Supports standard-based applications including ZigBee, RF4CE, and 6LoWPAN protocols.
• Provides hardware-assisted multiple PAN address filtering to enhance network management capabilities.
• Delivers high data rate communication with frame processing and excellent receiver sensitivity.

RF Transceiver ICS Applications

• ZigBee/IEEE 802.15.4 based wireless sensor networks
• ZigBee RF4CE remote control applications
• 6LoWPAN internet protocol implementations
• High data rate ISM band communication systems

RF Transceiver ICS Procurement Notes

Verify that the ordering suffix ZUR specifically denotes the tape and reel packaging format required for automated surface-mount assembly processes. Confirm the industrial temperature grade rating aligns with the operational environmental constraints of the target application. Ensure the 48-pin QFN package dimensions match the PCB footprint design specifications. Cross-reference the specific revision level against the latest Microchip datasheet to guarantee compatibility with intended firmware libraries and peripheral configurations.

RF Transceiver ICS Selection Notes

Select this component when a combined MCU and RF solution is required for 2.4 GHz low-power wireless applications. It is suitable for designs needing substantial program memory and RAM for complex protocol stacks. Consider this part over non-integrated solutions to reduce board space and component count. Evaluate the trade-off between the 8-bit architecture performance and power consumption requirements relative to alternative 32-bit ARM-based SoCs.

RF Transceiver ICS Part Context

This device belongs to the ATmega256RFR2 family of RF microcontrollers from Microchip Technology. It shares architectural similarities with the ATMEGA256RFR2-ZU but differs in packaging and delivery method. The family targets IoT and industrial wireless markets, offering a balance of processing power and RF performance within a compact form factor designed for efficient system integration.

RF Transceiver ICS Replacement Considerations

ATMEGA256RFR2-ZU (Tray packaging variant)

RF Transceiver ICS FAQ

What is the maximum clock frequency of the AVR core?

The maximum clock frequency is 16 MHz.

Does the device support hardware-accelerated network functions?

Yes, it includes hardware-assisted multiple PAN address filtering for network support.