User's Manual

© 2008 Microchip Technology Inc. Advance Information DS00000A-page 1
MRF24J40MA
Features:
• IEEE Std. 802.15.4™ Compliant RF Transceiver
• Supports ZigBee
®
, MiWi™, MiWi™ P2P and Pro-
prietary 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 certified for United States (FCC),
Canada (IC) and Europe (ETSI)
• Compatible with Microchip Microcontroller
families (PIC18F, PIC24F/H, dsPIC33 and PIC32)
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: 18 mA (typical)
- TX mode: 22 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
• -95 dBm Typical Sensitivity and 0 dBm Maximum
Input Level
• +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
FIGURE 1: PIN DIAGRAM
2
3
4
5
6
1
7
V
IN
GND
8
9
10
RESET
WAKE
SDO
SDI
SCK
CS
CLKOUT
GND
INT
12
11 GND
2.4 GHz IEEE Std. 802.15.4 ™ RF Transceiver Module