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MRF24J40MB-I Datasheet, PDF (3/156 Pages) Microchip Technology – IEEE 802.15.4™ 2.4 GHz RF Transceiver
MRF24J40
IEEE 802.15.4™ 2.4 GHz RF Transceiver
Features:
• IEEE 802.15.4™ Standard Compliant
RF Transceiver
• Supports ZigBee®, MiWi™, MiWi P2P and
Proprietary Wireless Networking Protocols
• Simple, 4-Wire Serial Peripheral Interface (SPI)
• Integrated 20 MHz and 32.768 kHz Crystal
Oscillator Circuitry
• Low-Current Consumption:
- RX mode: 19 mA (typical)
- TX mode: 23 mA (typical)
- Sleep: 2 μA (typical)
• Small, 40-Pin Leadless QFN 6x6 mm2 Package
Pin Diagram:
40-Pin QFN
RF/Analog Features:
• ISM Band 2.405-2.48 GHz Operation
• Data Rate: 250 kbps (IEEE 802.15.4);
625 kbps (Turbo mode)
• -95 dBm Typical Sensitivity with +5 dBm
Maximum Input Level
• +0 dBm Typical Output Power with 36 dB
TX Power Control Range
• Differential RF Input/Output with Integrated
TX/RX Switch
• 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
Acknowledgement Response and FCS Check
• Independent Beacon, Transmit and GTS FIFO
• Supports all CCA modes and RSSI/ED
• Automatic Packet Retransmit Capability
• Hardware Security Engine (AES-128) with CTR,
CCM and CBC-MAC modes
• Supports Encryption and Decryption for MAC
Sublayer and Upper Layer
40 39 38 37 36 35 34 33 32 31
VDD 1
RFP 2
RFN 3
VDD 4
VDD 5
GND 6
GPIO0 7
GPIO1 8
GPIO5 9
GPIO4 10
MRF24J40
30 NC
29 NC
28 LPOSC1
27 LPOSC2
26 NC
25 GND
24 GND
23 NC
22 GND
21 VDD
11 12 13 14 15 16 17 18 1920
Note: Backside center pad is GND.
© 2010 Microchip Technology Inc.
Preliminary
DS39776C-page 3