User's Manual

© 2009 Microchip Technology Inc. Preliminary DS70599B-page 1
MRF24J40MB
Features:
• IEEE Std. 802.15.4™ Compliant RF Transceiver
• Supports ZigBee
®
, MiWi™, MiWi P2P and
Proprietary Wireless Networking Protocols
• Small Size: 0.9" x 1.3" (22.9 mm x 33.0 mm),
Surface Mountable
• Integrated Crystal, Internal Voltage Regulator,
Matching Circuitry, Power Amplifier, Low Noise
Amplifier and PCB Antenna
• Easy Integration into Final Product – Minimize
Product Development, Quicker Time to Market
• Radio Regulation Certified for United States
(FCC), Canada (IC) and Europe (ETSI)
• Compatible with Microchip Microcontroller
Families (PIC16F, PIC18F, PIC24F/H, dsPIC33
and PIC32)
• Up to 4000 ft. Range
Operational:
• 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: 25 mA (typical)
- TX mode: 130 mA (typical)
- Sleep: 5 μA (typical)
RF/Analog Features:
• ISM Band 2.405-2.48 GHz Operation
• Data Rate: 250 kbps
• -102 dBm Typical Sensitivity with -23 dBm
Maximum Input Level
• +20 dBm Typical Output Power with 56 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
• Supports all CCA modes and RSS/LQI
• Automatic Packet Retransmit Capable
• Hardware Security Engine (AES-128) with CTR,
CCM and CBC-MAC modes
• Supports Encryption and Decryption for MAC
Sublayer and Upper Layer
FIGURE 1: PIN DIAGRAM
2
3
4
5
6
1
7
V
IN
GND
8
9
10
RESET
WAKE
SDO
SDI
SCK
CS
NC
GND
INT
12
11 GND
2.4 GHz IEEE Std. 802.15.4 ™ 20 dBm RF Transceiver Module