MRF24J40 datasheet(3/152 Pages) MICROCHIP

Part #	MRF24J40

Description	IEEE 802.15.4??2.4 GHz RF Transceiver

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Manufacturer	MICROCHIP [Microchip Technology]

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Preliminary

DS39776B-page 1

MRF24J40

Features:

• IEEE 802.15.4™ Standard Compliant

RF Transceiver

• Supports ZigBee®, MiWi™, MiWi P2P and

Proprietary Wireless Networking Protocols

• Simple, 4-Wire SPI Interface

• 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

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

Pin Diagram:

40-Pin QFN

2

3

4

5

6

1

7

VDD

RFP

RFN

VDD

GND

GPIO0

MRF24J40

8

9

GPIO1

GPIO5

10

GPIO4

12 13 14 15 16

11

17 18 19 20

29

28

27

26

25

30

24

NC

LPOSC1

LPOSC2

NC

GND

23

22

NC

GND

21

VDD

32

33

34

35

36

31

37

38

39

40

Note: Backside center pad is GND.

IEEE 802.15.4™ 2.4 GHz RF Transceiver

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