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ATMEGA256RFR2-ZUR

MCHPATMEGA256RFR2-ZUR

Microchip Technology
IC RF TxRx + MCU 802.15.4 Zigbee® 2.4GHz 64-VFQFN Exposed Pad
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Overview

The Microchip ATMEGA256RFR2-ZUR is a low-power, 2.4GHz transceiver combined with an AVR microcontroller in a single 64-VFQFN package. It integrates a 256kB Flash, 32kB SRAM, and 8kB EEPROM, making it suitable for applications requiring both processing power and wireless connectivity. This part supports the IEEE 802.15.4 Zigbee protocol and offers features like hardware-assisted multiple PAN address filtering and reduced power consumption.

Why Choose This Part

This integrated solution reduces component count and board space, simplifying design for wireless applications. Its hardware-assisted features contribute to lower power consumption, extending battery life in portable or energy-constrained devices. The robust AVR core combined with the 802.15.4 transceiver provides a reliable platform for embedded wireless development.

Applications

Wireless Sensor Nodes
Ideal for battery-powered sensor nodes that require local processing and 2.4GHz wireless communication using Zigbee for data transmission in IoT applications.
Smart Home Devices
Suitable for connected devices within a smart home ecosystem, leveraging its Zigbee capabilities for reliable and low-power communication between devices.
Industrial IoT (IIoT)
Can be used in industrial control and monitoring systems where robust 2.4GHz wireless links are needed for data collection from remote equipment.
Asset Tracking
Enables the development of compact and long-lasting asset tracking tags that communicate wirelessly over a Zigbee network.
Lighting Control Systems
Provides a cost-effective solution for wireless lighting control, integrating the microcontroller for control logic and the RF transceiver for network communication.

Key Specifications

GPIO 35
Type TxRx + MCU
Protocol Zigbee
Frequency 2.4GHz
Modulation DSSS, O-QPSK
Memory Size 256kB Flash, 8kB EEPROM, 32kB SRAM
Sensitivity -100dBm
Mounting Type Surface Mount
Package / Case 64-VFQFN Exposed Pad
Power - Output 3.5dBm
Data Rate (Max) 2Mbps
Voltage - Supply 1.8V ~ 3.6V
Serial Interfaces I2C, JTAG, SPI, USART
RF Family/Standard 802.15.4
Current - Receiving 5mA ~ 12.5mA
Operating Temperature -40degC ~ 85degC
Current - Transmitting 8mA ~ 14.5mA
Supplier Device Package 64-QFN (9x9)

Getting Started

To get started, engineers can utilize Microchip's development tools, including the MPLAB X IDE and suitable AVR programmers/debuggers like the Atmel-ICE. Development kits specific to the ATMEGA256RFR2 family can accelerate prototyping by providing a ready-to-use platform with necessary peripherals and software examples. Refer to Microchip's documentation for Zigbee stack implementation and hardware reference designs.

Also Consider

EFR32MG21A020F1024IM32-B SiLSilicon Labs - This part offers a more powerful 32-bit ARM Cortex-M33 core and supports multiple wireless protocols including Zigbee, Bluetooth, and Thread.
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