參數(shù)資料
型號： MRF24J40-I
廠商： Microchip Technology Inc.
英文描述： IEEE 802.15.4⑩ 2.4 GHz RF Transceiver
中文描述： IEEE 802.15.4標(biāo)準(zhǔn)⑩2.4 GHz射頻收發(fā)器
文件頁數(shù)： 61/66頁
文件大?。?/td> 748K
代理商： MRF24J40-I
2006 Microchip Technology Inc.
Advance Information
DS39776A-page 59
MRF24J40
INDEX
A
Absolute Maximum Ratings ................................................41
AC Characteristics
Receiver .....................................................................42
Transmitter .................................................................43
B
Bill of Materials ...................................................................56
Block Diagrams
Example Circuit ..........................................................47
Interrupt Logic .............................................................35
MRF24J40 Architecture ................................................4
Packet Format ............................................................19
Buffer Interface ...................................................................17
C
CCA
Clear Channel Assessment ........................................30
Channel Selection ..............................................................24
Code Examples
GPIO Read/Write ........................................................39
Initializing the MRF24J40 ...........................................28
Long Address Read ....................................................16
Long Address Write ....................................................17
Short Address Read ...................................................14
Short Address Write ...................................................15
Control Registers
Long Address ...............................................................9
Mapping, Long Address ..............................................10
Mapping, Short Address .............................................10
Short Address ...............................................................9
COORD Bit .........................................................................24
CSMA-CA ...........................................................................29
Carrier Sense Multiple Access
Collision Avoidance ............................................30
Current Consumption .....................................................3, 42
Customer Change Notification Service ...............................61
Customer Notification Service ............................................61
Customer Support ..............................................................61
D
Device Configuration ..........................................................24
Device Overview ...................................................................3
Features (40-Pin Devices) ............................................3
Differential RF Pin
Negative
RFN ......................................................................8
Positive
RFP ......................................................................8
E
Electrical Characteristics ....................................................41
Errata ....................................................................................2
Example SPI Slave Mode Requirements ...........................43
Extended Organizationally Unique Identifier (EUI) .............20
External Connections ...........................................................7
CLKOUT Pin .................................................................7
Oscillator .......................................................................7
Start-up .................................................................7
G
General Purpose I/O ..........................................................39
GPIO Registers
TRISGPIO
GPIO Pin Direction and
SPI Mode Register .....................................40
I
IEEE 802.15.4 ......................................................................3
IEEE 802.15.4-2003 ...........................................................19
Impedance
Measured ...................................................................47
PCB Antenna .............................................................48
PCB Antenna in Smith Chart ......................................48
PCB Antenna with Voltage Standing
Wave Ratio ........................................................49
Simulated PCB Antenna, Smith Plot ..........................51
Simulated PCB Antenna, XY Plot ..............................50
Initialization ........................................................................21
Integrated Oscillator Drive ....................................................3
Internet Address .................................................................61
Interrupts ............................................................................35
Structure .....................................................................35
L
Layout Considerations .......................................................47
Long Address Register Interface ........................................16
Reading ......................................................................16
Writing ........................................................................17
Long Address Summary .....................................................11
Long Addresses .................................................................26
M
MAC Initialization ...............................................................24
Memory Organization ...........................................................9
Microchip Internet Web Site ...............................................61
P
Packages .............................................................................3
Packaging ..........................................................................45
Details ........................................................................46
Marking ......................................................................45
Packet Format ....................................................................19
Cyclic Redundancy Check (CRC) ..............................19
Data Field ...................................................................20
Data Payload ..............................................................19
Destination Address ...................................................19
Destination Address Fields ........................................20
FCS Field ...................................................................20
Frame Control Field ...................................................20
Frame Delimiter ..........................................................20
Length Field .........................................................19, 20
Sequence Number Field ............................................20
Source Address ..........................................................19
Source Address Fields ...............................................20
PAN ID ...............................................................................26
PANCOORD Bit .................................................................24
PCB
Ground plane .............................................................53
Layout Design ............................................................52
Power Ground Plane ..................................................53
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相關(guān)代理商/技術(shù)參數(shù)
參數(shù)描述
MRF24J40-I/ML 功能描述:射頻收發(fā)器 2.4 Ghz IEEE/ZigBee RoHS:否 制造商:Atmel 頻率范圍:2322 MHz to 2527 MHz 最大數(shù)據(jù)速率:2000 Kbps 調(diào)制格式:OQPSK 輸出功率:4 dBm 類型: 工作電源電壓:1.8 V to 3.6 V 最大工作溫度:+ 85 C 接口類型:SPI 封裝 / 箱體:QFN-32 封裝:Tray
MRF24J40-I/ML 制造商:Microchip Technology Inc 功能描述:ZIGBEE Transceiver IC
MRF24J40-I/T 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:IEEE 802.15.4? 2.4 GHz RF Transceiver
MRF24J40-IMM 制造商:MICROCHIP 制造商全稱:Microchip Technology 功能描述:IEEE 802.15.4⑩ 2.4 GHz RF Transceiver
MRF24J40MA 制造商:Microchip Technology Inc 功能描述:WIRELESS TRANCEIVER MODULE, Supply Voltage Min:2.4V, Supply Voltage Max:3.6V, MS
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