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9 low-power 2.4 ghz transceiver, 1 features, Atmega128rfa1 – Rainbow Electronics ATmega128RFA1 User Manual

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8266A-MCU Wireless-12/09

ATmega128RFA1

9 Low-Power 2.4 GHz Transceiver

9.1 Features

High performance RF-CMOS 2.4 GHz radio transceiver targeted for IEEE

802.15.4™, ZigBee™, IPv6 / 6LoWPAN, RF4CE, SP100, WirelessHART™ and
ISM applications

Outstanding link budget (103.5 dB):

o

Receiver sensitivity -100 dBm

o

Programmable output power from -17 dBm up to +3.5 dBm

Ultra-low current consumption:

o

TRX_OFF

= 0.4 mA

o

RX_ON

= 12.5 mA

o

BUSY_TX

= 14.5 mA (at max. transmit power of +3.5 dBm)

Optimized for low BoM cost and ease of production:

o

Few external components necessary (crystal, capacitors and

antenna)

o

Excellent ESD robustness

Easy to use interface:

o

Registers and frame buffer access from software

o

Dedicated radio transceiver interrupts

Radio transceiver features:

o

128 byte FIFO (SRAM) for data buffering

o

Integrated RX/TX switch

o

Fully integrated, fast settling PLL to support frequency hopping

o

Battery monitor

o

Fast wake-up time < 0.25 ms

Special IEEE 802.15.4 2006 hardware support:

o

FCS computation and clear channel assessment (CCA)

o

RSSI measurement, energy detection and link quality indication

MAC hardware accelerator:

o

Automated acknowledgement, CSMA-CA and frame

retransmission

o

Automatic address filtering

o

Automated FCS check

Extended Feature Set Hardware Support:

o

AES 128 bit hardware accelerator

o

RX/TX indication (external RF front-end control)

o

RX antenna diversity

o

Supported PSDU data rates: 250 kb/s, 500 kb/s, 1 Mb/s and 2 Mb/s

o

True random number generation for security applications

Compliant to IEEE 802.15.4-2006, IEEE 802.15.4-2003 and RF4CE

Compliant to EN 300 328/440, FCC-CFR-47 Part 15, ARIB STD-66, RSS-210