Manufacturer Part Number

ATMEGA1284PR212-AU

Description

This product is an integrated circuit device that combines an RF transceiver with a microcontroller unit (MCU). It supports wireless communication using IEEE 802.15.4 in the sub-1GHz ISM bands and includes hardware for processing 6LoWPAN and Zigbee® protocols. It is packaged in a 44-pin Thin Quad Flat Package (TQFP), designed for surface mounting.

Specifications

Frequency Range: 769MHz to 935MHz

Supported Protocols: 6LoWPAN, Zigbee® (IEEE 802.15.4 standard)

Modulation Types: DSSS, BPSK, O-QPSK

Max Data Rate: 1Mbps

RF Output Power: 10dBm

Sensitivity: -110dBm

MCU Onboard Memory: 128kB Flash, 4kB EEPROM, 16kB SRAM

Number of GPIO Pins: 32

Serial Interface: SPI

Supply Voltage: 1.8V to 3.6V

Receiving Current: 8.7mA to 9.2mA

Transmitting Current: 13mA to 25mA

Operating Temperature Range: -40°C to +85°C

Package: 44-TQFP (10x10mm)

Moisture Sensitivity Level: 3 (168 Hours)

Compliance: RoHS3, REACH Unaffected

ECCN: 5A002A1

HTSUS: 8542.31.0001

Device Structure

The device combines a low-power RF transceiver and an 8-bit AVR microcontroller on a single silicon chip. It has 128kB Flash for program storage, 4kB EEPROM for data retention, and 16kB SRAM for fast access memory. It offers an SPI interface and 32 general-purpose I/O pins. The IC is built for integration into compact wireless applications using a 44-pin TQFP surface-mount package.

Performance Characteristics

The ATMEGA1284PR212-AU offers robust wireless connectivity with high receive sensitivity (-110dBm) and a maximum data throughput of 1Mbps. Output RF power can reach 10dBm, suitable for medium-range wireless links. Power consumption is low, supporting battery-powered applications. Its wide supply voltage and industrial temperature range offer flexibility in various environments.

Application Environments

This device is suited for wireless sensor networks, home and building automation (for example, smart lighting or temperature control), industrial monitoring, wireless metering, and Internet of Things (IoT) devices where standard 802.15.4 communication (like Zigbee® or 6LoWPAN) is required.

Selection Guidelines

Select this part if you need a single-chip MCU with integrated RF for 6LoWPAN or Zigbee® applications in the 769MHz ~ 935MHz range. Check that your application can use its voltage range (1.8V–3.6V) and current requirements. Make sure you need 128kB of code space and 32 GPIO, and that the 44-TQFP package fits your design. Confirm industrial temperature support if needed.

Usage Considerations

Observe proper ESD handling for sensitive CMOS devices. Pay attention to the moisture sensitivity level (MSL 3—must be mounted within 168 hours of opening the factory seal). RF design requires careful PCB layout for performance. Power supply voltage should stay within spec to avoid malfunctions. Use the correct Zigbee® or 6LoWPAN stack and ensure your software fits in 128kB Flash.

Potential Equivalent/Replacement Models

Currently, close functional alternatives include other Microchip (Atmel) RF MCU combinations such as ATmega256RFR2, ATmega128RFA1 or compatible RF modules covering the same frequency and protocols (like Texas Instruments CC1310 or Silicon Labs Si446x paired with an external MCU). However, they may differ in memory size, features, or package. If you require pin-to-pin or full feature replacement, please contact the Ariat-Tech sales team for more details and to confirm the best alternative for your application.

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