MRF24J40-I/ML Microchip Technology, MRF24J40-I/ML Datasheet - Page 6

• Manufacturer Part Number: MRF24J40-I/ML
• Description: IC TXRX IEEE/ZIGBEE 2.4GHZ 40QFN
• Manufacturer: Microchip Technology

Specifications of MRF24J40-I/ML

• Package / Case: 40-QFN
• Frequency: 2.4GHz
• Data Rate - Maximum: 250kbps
• Modulation Or Protocol: 802.15.4
• Applications: ISM, ZigBee™
• Power - Output: 0dBm
• Sensitivity: -95dBm
• Voltage - Supply: 2.4 V ~ 3.6 V
• Current - Receiving: 18mA
• Current - Transmitting: 18mA
• Data Interface: PCB, Surface Mount
• Antenna Connector: PCB, Surface Mount
• Operating Temperature: -40°C ~ 85°C
• Number Of Receivers: 1
• Number Of Transmitters: 1
• Wireless Frequency: 2.4 GHz
• Interface Type: 4 Wire SPI
• Noise Figure: 8 dB
• Output Power: + 0 dBm
• Operating Supply Voltage: 2.5 V, 3.3 V
• Maximum Operating Temperature: 85 C
• Mounting Style: SMD/SMT
• Maximum Supply Current: 22 mA
• Minimum Operating Temperature: - 40 C
• Lead Free Status / RoHS Status: Lead free / RoHS Compliant
• Memory Size: -
• Lead Free Status / Rohs Status: Lead free / RoHS Compliant

1.1
The
IEEE 802.15.4™-2003 Standard. The Standard speci-
fies the physical (PHY) and Media Access Controller
(MAC) functions that form the basis for a wireless net-
work device. Figure 1-2 shows the structure of the PHY
packet and MAC frame.
FIGURE 1-2:
DS39776C-page 6
MRF24J40
MAC Sublayer
MAC Sublayer
MAC Sublayer
MAC Sublayer
PHY Layer
packet
On air
MRF24J40
IEEE 802.15.4-2003 Standard
Preamble
4
Acknowledgment
MAC Command
SHR
Beacon
Frame
Frame
Frame
Frame
Data
SFD
IEEE 802.15.4™ PHY PACKET AND MAC FRAME STRUCTURE
1
is
Length
Frame
PHR
1
compliant
Control
Control
Control
Control
Frame
Frame
Frame
Frame
2
2
2
2
MHR
Sequence
Sequence
Sequence
Sequence
Number
Number
Number
Number
1
1
1
1
MHR
MHR
MHR
with
FCS
MFR
2
Adressing
Adressing
Adressing
4 to 20
4 to 20
4 or 10
Fields
Fields
Fields
Preliminary
the
octets
Command
Specification
Superframe
PPDU
Type
1
2
It is highly recommended that the design engineer be
familiar with the IEEE 802.15.4-2003 Standard in order
to best understand the configuration and operation of the
MRF24J40. The Standard can be downloaded from the
IEEE web site: http://www.ieee.org.
PHY Payload
5 – 127
Fields
PSDU
GTS
k
Data Payload
Pending
Address
MSDU
MSDU
MSDU
Fields
Command Payload
m
n
n
Beacon Payload
© 2010 Microchip Technology Inc.
n
MFR
MFR
MFR
FCS
FCS
FCS
2
2
2
octets
octets
octets
octets