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DEVICE OVERVIEW

The MRF24J40MA is a 2.4 GHz IEEE Std. 802.15.4? compliant, surface mount module with integrated crystal, internal voltage regulator, matching circuitry and PCB antenna. The MRF24J40MA module operates in the non-licensed 2.4 GHz frequency band and is FCC, IC and ETSI compliant. The integrated module design frees the integrator from extensive RF and antenna design, and regulatory compliance testing, allowing quicker time to market.

The MRF24J40MA module is compatible with Microchip’s ZigBee?, MiWi? and MiWi P2P software stacks. Each software stack is available as a free download, including source code, from the Microchip web site http://www.microchip.com/wireless.

Features:

? IEEE Std. 802.15.4? Compliant RF Transceiver

? Supports ZigBee?, MiWi?, MiWi? P2P and Proprietary Wireless Networking Protocols

? Small Size: 0.7” x 1.1” (17.8 mm x 27.9 mm), Surface Mountable

? Integrated Crystal, Internal Voltage Regulator, Matching Circuitry and PCB Antenna

? Easy Integration into Final Product – Minimize Product Development, Quicker Time to Market

? Radio Regulation Certification for United States (FCC), Canada (IC) and Europe (ETSI)

? Compatible with Microchip Microcontroller Families (PIC16F, PIC18F, PIC24F/H, dsPIC33 and PIC32)

? Up to 400m Range (outdoor, line-of-sight)

Operational:

? 20/10/5/2.5 MHz Clock Output:

- Available to drive microcontroller clock

? Operating Voltage: 2.4-3.6V (3.3V typical)

? Temperature Range: -40°C to +85°C Industrial

? Simple, Four-Wire SPI Interface

? Low-Current Consumption:

- RX mode: 19 mA (typical)

- TX mode: 23 mA (typical)

- Sleep: 2 μA (typical)

? Supports Power Save mode

RF/Analog Features:

? ISM Band 2.405-2.48 GHz Operation

? Data Rate: 250 kbps

? -94 dBm Typical Sensitivity

? +0 dBm Typical Output Power and 40 dB TX Power Control Range

? Integrated, Low Phase Noise VCO, Frequency Synthesizer and PLL Loop Filter

? Digital VCO and Filter Calibration

? Integrated RSSI ADC and I/Q DACs

? Integrated LDO

? High Receiver and RSSI Dynamic Range

MAC/Baseband Features:

? Hardware CSMA-CA Mechanism, Automatic ACK Response and FCS Check

? Independent Beacon, Transmit and GTS FIFO

? Hardware Security Engine (AES-128) with CTR, CCM and CBC-MAC modes

? Supports all CCA modes and RSS/LQI

? Automatic Packet Retransmit Capable

? Supports In-Line or Stand-Alone modes for both Encryption and Decryption