Datasheet

DS70329B-page 23 © 2008 Microchip Technology Inc.
MRF24J40MA
INDEX
A
AC Characteristics
Receiver ......................................................................19
Transmitter ..................................................................20
Antenna Impedance
Measured PCB............................................................14
Simulated PCB............................................................14
B
Block Diagrams
Microcontroller to MRF24J40MA Interface....................4
MRF24J40MA ...............................................................3
C
Circuit Description .................................................................7
Customer Change Notification Service ...............................24
Customer Notification Service.............................................24
Customer Notification System ...............................................2
Customer Support ...............................................................24
E
Electrical Characteristics.....................................................19
Current Consumption ..................................................19
Recommended Operating Conditions .........................19
Errata.....................................................................................2
European Radio Communications (ERC)............................17
F
FCC ID Number...................................................................15
FCC RF Exposure Compliance...........................................16
H
Helpful Web Sites..........................................................16, 17
I
Interface Description .............................................................3
Internet Address..................................................................24
M
MAC/Baseband Features......................................................1
Microchip Internet Web Site................................................24
MiWi P2P...............................................................................3
MiWi Protocol ........................................................................3
More Information ...................................................................2
Customer Notification System.......................................2
Errata ............................................................................2
Mounting Details....................................................................5
MRF24J40 Data Sheet......................................................3, 7
MRF24J40MA Bill of Materials (BOM) ..................................9
MRF24J40MA Schematic......................................................8
O
Overview............................................................................... 3
P
PCB Antenna ...................................................................... 12
Dimensions ................................................................. 12
Simulation Drawing..................................................... 12
PCB Layers
Bottom Copper............................................................ 10
Layer 2 – Ground Plane.............................................. 10
Layer 3 – Power Plane ............................................... 10
Stack Up ..................................................................... 11
Top Copper................................................................. 10
Top Silk Screen .......................................................... 10
Pin Description...................................................................... 4
Pin Diagram .......................................................................... 1
Printed Circuit Board (PCB)................................................ 10
R
Radiation Pattern
2D ............................................................................... 13
3D ............................................................................... 13
Reader Response............................................................... 25
Regulatory Approval ........................................................... 15
Canada ....................................................................... 16
Europe ........................................................................ 17
United States .............................................................. 15
Revision History .................................................................. 21
RF Exposure....................................................................... 15
RF/Analog Features.............................................................. 1
S
Serial I/O
SCK, SDI, SDO, CS
...................................................... 7
Short Range Devices (SRD) ............................................... 17
Specific Absorption Rate (SAR).......................................... 16
SPI ........................................................................................ 7
W
WWW Address.................................................................... 24
WWW, On-Line Support ....................................................... 2
Z
ZigBee Protocol .................................................................... 3