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The ATMEGA128RFA1-ZUR is a microcontroller unit (MCU) manufactured by Microchip Technology (formerly Atmel). Below are its specifications, descriptions, and features:

Specifications:

• Manufacturer: Microchip Technology (formerly Atmel)
• Core: 8-bit AVR
• Flash Memory: 128 KB
• SRAM: 16 KB
• EEPROM: 4 KB
• Clock Speed: Up to 16 MHz
• Operating Voltage: 1.8V to 3.6V
• Radio Frequency (RF) Transceiver: 2.4 GHz IEEE 802.15.4 compliant
• I/O Pins: 54
• ADC Channels: 8 (10-bit resolution)
• Timers: 4 (Two 8-bit, Two 16-bit)
• Communication Interfaces:
• USART (4)
• SPI (1)
• TWI (I²C) (1)
• Package: QFN-64 (7x7 mm)
• Operating Temperature Range: -40°C to +85°C

Descriptions:

The ATMEGA128RFA1-ZUR is a highly integrated wireless microcontroller combining an AVR MCU with an IEEE 802.15.4 RF transceiver. It is designed for low-power wireless applications, including ZigBee, 6LoWPAN, and other 2.4 GHz wireless protocols. The device provides a single-chip solution for embedded wireless systems, reducing the need for external components.

Features:

• Integrated 2.4 GHz RF Transceiver:
• Supports IEEE 802.15.4 standard
• Data rates up to 250 kbps
• Programmable output power up to +3.5 dBm
• Low Power Consumption:
• Multiple sleep modes for energy efficiency
• Active mode current as low as 15 mA
• Rich Peripheral Set:
• Analog Comparator
• Watchdog Timer
• Real-Time Counter (RTC)
• PWM Channels
• Hardware Security:
• AES-128 encryption engine
• Development Support:
• Compatible with Atmel Studio and other AVR development tools
• Supports wireless protocol stacks (ZigBee, 6LoWPAN)

This MCU is commonly used in wireless sensor networks, home automation, industrial control, and IoT applications.