Microchip Technology MRF24J40MA Zigbee Module User Manual MRF24J40MA

Microchip Technology Inc Zigbee Module MRF24J40MA

User Manual

© 2008 Microchip Technology Inc. Advance Information DS00000AMRF24J40MAData Sheet2.4 GHz IEEE Std. 802.15.4™RF Transceiver Module
DS00000A-page ii Advance Information © 2008 Microchip Technology Inc.Information contained in this publication regarding deviceapplications and the like is provided only for your convenienceand may be superseded by updates. It is your responsibility toensure that your application meets with your specifications.MICROCHIP MAKES NO REPRESENTATIONS ORWARRANTIES OF ANY KIND WHETHER EXPRESS ORIMPLIED, WRITTEN OR ORAL, STATUTORY OROTHERWISE, RELATED TO THE INFORMATION,INCLUDING BUT NOT LIMITED TO ITS CONDITION,QUALITY, PERFORMANCE, MERCHANTABILITY ORFITNESS FOR PURPOSE. Microchip disclaims all liabilityarising from this information and its use. Use of Microchipdevices in life support and/or safety applications is entirely atthe buyer’s risk, and the buyer agrees to defend, indemnify andhold harmless Microchip from any and all damages, claims,suits, or expenses resulting from such use. No licenses areconveyed, implicitly or otherwise, under any Microchipintellectual property rights.TrademarksThe Microchip name and logo, the Microchip logo, Accuron, dsPIC, KEELOQ, KEELOQ logo, MPLAB, PIC, PICmicro, PICSTART, PRO MATE, rfPIC and SmartShunt are registered trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.FilterLab, Linear Active Thermistor, MXDEV, MXLAB, SEEVAL, SmartSensor and The Embedded Control Solutions Company are registered trademarks of Microchip Technology Incorporated in the U.S.A.Analog-for-the-Digital Age, Application Maestro, CodeGuard, dsPICDEM, dsPICDEM.net, dsPICworks, dsSPEAK, ECAN, ECONOMONITOR, FanSense, In-Circuit Serial Programming, ICSP, ICEPIC, Mindi, MiWi, MPASM, MPLAB Certified logo, MPLIB, MPLINK, mTouch, PICkit, PICDEM, PICDEM.net, PICtail, PIC32 logo, PowerCal, PowerInfo, PowerMate, PowerTool, REAL ICE, rfLAB, Select Mode, Total Endurance, UNI/O, WiperLock and ZENA are trademarks of Microchip Technology Incorporated in the U.S.A. and other countries.SQTP is a service mark of Microchip Technology Incorporated in the U.S.A.All other trademarks mentioned herein are property of their respective companies.© 2008, Microchip Technology Incorporated, Printed in the U.S.A., All Rights Reserved. Printed on recycled paper.Note the following details of the code protection feature on Microchip devices:• Microchip products meet the specification contained in their particular Microchip Data Sheet.• Microchip believes that its family of products is one of the most secure families of its kind on the market today, when used in the intended manner and under normal conditions.• There are dishonest and possibly illegal methods used to breach the code protection feature. All of these methods, to our knowledge, require using the Microchip products in a manner outside the operating specifications contained in Microchip’s Data Sheets. Most likely, the person doing so is engaged in theft of intellectual property.• Microchip is willing to work with the customer who is concerned about the integrity of their code.• Neither Microchip nor any other semiconductor manufacturer can guarantee the security of their code. Code protection does not mean that we are guaranteeing the product as “unbreakable.”Code protection is constantly evolving. We at Microchip are committed to continuously improving the code protection features of ourproducts. Attempts to break Microchip’s code protection feature may be a violation of the Digital Millennium Copyright Act. If such actsallow unauthorized access to your software or other copyrighted work, you may have a right to sue for relief under that Act.Microchip received ISO/TS-16949:2002 certification for its worldwide headquarters, design and wafer fabrication facilities in Chandler and Tempe, Arizona; Gresham, Oregon and design centers in California and India. The Company’s quality system processes and procedures are for its PIC® MCUs and dsPIC® DSCs, KEELOQ® code hopping devices, Serial EEPROMs, microperipherals, nonvolatile memory and analog products. In addition, Microchip’s quality system for the design and manufacture of development systems is ISO 9001:2000 certified.
© 2008 Microchip Technology Inc. Advance Information DS00000A-page 1MRF24J40MAFeatures:• IEEE Std. 802.15.4™ Compliant RF Transceiver• Supports ZigBee®, MiWi™, MiWi™ P2P and Pro-prietary Wireless Networking Protocols• Small size: 0.7” x 1.1” (17.8 mm x 27.9 mm) Surface Mountable• Integrated crystal, internal voltage regulator, matching circuitry and PCB antenna• Easy integration into final product - minimize product development, quicker time to market• Radio regulation certified for United States (FCC), Canada (IC) and Europe (ETSI)• Compatible with Microchip Microcontroller families (PIC18F, PIC24F/H, dsPIC33 and PIC32)Operational:• 20/10/5/2.5 MHz Clock Output:- Available to drive microcontroller clock• Operating Voltage: 2.4 - 3.6V (3.3V typical)• Temperature Range: -40°C to +85°C Industrial• Simple Four-Wire SPI Interface• Low-Current Consumption:- RX mode: 18 mA (typical)- TX mode: 22 mA (typical)-Sleep: 2 μA (typical)• Supports Power-Save modeRF/Analog Features:• ISM Band 2.405 - 2.48 GHz Operation• Data Rate: 250 Kbps• -95 dBm Typical Sensitivity and 0 dBm Maximum Input Level• +0 dBm Typical Output Power and 40 dB TX Power Control Range• 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 RangeMAC/Baseband Features:• Hardware CSMA-CA Mechanism, Automatic ACK Response and FCS Check• Independent Beacon, Transmit and GTS FIFO• Hardware Security Engine (AES-128) with CTR, CCM and CBC-MAC modes• Supports all CCA modes and RSS/LQI• Automatic Packet Retransmit Capable• Supports In-Line or Stand-Alone modes for both Encryption and DecryptionFIGURE 1: PIN DIAGRAM2345617VINGND8910RESETWAKESDOSDISCKCSCLKOUTGNDINT1211 GND2.4 GHz IEEE Std. 802.15.4™ RF Transceiver Module
MRF24J40MADS00000A-page 2 Advance Information © 2008 Microchip Technology Inc.Table of Contents 1.0 Device Overview .......................................................................................................................................................................... 52.0 Microcontroller Interface............................................................................................................................................................... 93.0 Circuit Description ...................................................................................................................................................................... 114.0 Regulatory Approval................................................................................................................................................................... 135.0 Electrical Characteristics ........................................................................................................................................................... 176.0 Packaging Information................................................................................................................................................................ 19Appendix A: Revision History............................................................................................................................................................... 21The Microchip Web Site ....................................................................................................................................................................... 23Customer Change Notification Service ................................................................................................................................................ 23Customer Support ................................................................................................................................................................................ 23Reader Response ................................................................................................................................................................................ 24MRF24J40MA Product Identification System....................................................................................................................................... 25
© 2008 Microchip Technology Inc. Advance Information DS00000A-page 3MRF24J40MATO OUR VALUED CUSTOMERSIt is our intention to provide our valued customers with the best documentation possible to ensure successful use of your Microchipproducts. To this end, we will continue to improve our publications to better suit your needs. Our publications will be refined andenhanced as new volumes and updates are introduced. If you have any questions or comments regarding this publication, please contact the Marketing Communications Department viaE-mail at docerrors@microchip.com or fax the Reader Response Form in the back of this data sheet to (480) 792-4150. Wewelcome your feedback.Most Current Data SheetTo obtain the most up-to-date version of this data sheet, please register at our Worldwide Web site at:http://www.microchip.comYou can determine the version of a data sheet by examining its literature number found on the bottom outside corner of any page.The last character of the literature number is the version number, (e.g., DS30000A is version A of document DS30000).ErrataAn errata sheet, describing minor operational differences from the data sheet and recommended workarounds, may exist for currentdevices. As device/documentation issues become known to us, we will publish an errata sheet. The errata will specify the revisionof silicon and revision of document to which it applies.To determine if an errata sheet exists for a particular device, please check with one of the following:• Microchip’s Worldwide Web site; http://www.microchip.com• Your local Microchip sales office (see last page)When contacting a sales office, please specify which device, revision of silicon and data sheet (include literature number) you areusing.Customer Notification SystemRegister on our web site at www.microchip.com to receive the most current information on all of our products.
MRF24J40MADS00000A-page 4 Advance Information © 2008 Microchip Technology Inc.NOTES:
© 2008 Microchip Technology Inc. Advance Information DS00000A-page 5MRF24J40MA1.0 DEVICE OVERVIEWThe MRF24J40MA is a 2.4 GHz IEEE Std. 802.15.4™compliant, surface mount module with integrated crystal,internal voltage regulator, matching circuitry and PCBantenna. The MRF24J40MA module operates in thenon-licensed 2.4 GHz frequency band and is FCC, IC,and ETSI compliant. The integrated module design freesthe end user from extensive RF, antenna design, andregulatory compliance testing and allows quicker time tomarket.Figure 1-1 shows a simplified block diagram of theMRF24J40MA module. The module is based on theMicrochip Technology MRF24J40 IEEE 802.15.4™ 2.4GHz RF Transceiver chip. The module interfaces tomany popular Microchip PIC® microcontrollers via a 4-wire serial SPI interface, interrupt, wake, reset, powerand ground. The module has an integrated PCBantenna and matching circuitry all in a compact size.The MRF24J40MA module is compatible withMicrochip's ZigBee®, MiWi, and MiWi P2P softwarestacks. Each software stack is available as a freedownload, including source code, from the Microchipweb site http://www.microchip.com/wireless.The MRF24J40MA module has received regulatoryapprovals for modular devices in the United States(FCC), Canada (IC) and Europe (ETSI). Modularapproval removes the need for expensive RF andantenna design and allows the end user to place theMRF24J40MA module inside a finished product and notrequire testing for an intentional radiator (RFtransmitter). See Section 4.0 “Regulatory Approval”for specific requirements to be followed by the end user.This user's guide describes the installation, pin out, andvoltage requirements for optimum operation of themodule. Data communications with the MRF24J40MAmodule is documented in the MRF24J40 IEEE802.15.4™ 2.4 GHz RF Transceiver Data Sheet(DS39776). Refer to the MRF24J40 data sheet forspecific serial interface protocol and register definitions.FIGURE 1-1: MRF24J40MA BLOCK DIAGRAM PCBAntenna MatchingCircuitryPhysical MACDiscreteInterfacePowerManagementSPI20 MHzCrystalDigitalI/OPowerMRF24J40MA IEEE Std. 802.15.4 ModuleMRF24J40
MRF24J40MADS00000A-page 6 Advance Information © 2008 Microchip Technology Inc.TABLE 1-1: PIN DESCRIPTIONFIGURE 1-2: MOUNTING DETAILSPin Symbol Type Description1 GND Power Ground2 RESET DI Global hardware reset pin3 WAKE DI External wake-up trigger4 INT DO Interrupt pin to microcontroller5 SDI DI Serial interface data input 6 SCK DI Serial interface clock7 SDO DO Serial interface data output from MRF24J408CS DI Serial interface enable9 CLKOUT DO 20/10/5/2.5 MHz clock output10 VIN Power Power supply11 GND Ground Ground12 GND Ground GroundLegend: Pin type abbreviation: A = Analog, D = Digital, I = Input, O = Output0.470”Edge of PCBKeep area around antenna(approximately 1.2 inches)clear of metalic structuresfor best performancePCB Ground Plane (Counterpoise)Extend as far as possible tothe sides and below the module(at least 0.4 inches on each side)for best performance0.4”0.4” 0.4”1.2”1.2”
© 2008 Microchip Technology Inc. Advance Information DS00000A-page 7MRF24J40MAFIGURE 1-3: RECOMMENDED PCB FOOTPRINTFIGURE 1-4: MODULE DETAILS
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© 2008 Microchip Technology Inc. Advance Information DS00000A-page 9MRF24J40MA2.0 MICROCONTROLLER INTERFACEFIGURE 1: MICROCONTROLLER TO MRF24J40MA INTERFACESDOI/OSDISCKINTxMRF24J40MACSSDISDOSCKINTI/O WAKEVINGNDPIC® MCUI/O RESET
MRF24J40MADS00000A-page 10 Advance Information © 2008 Microchip Technology Inc.NOTES:
© 2008 Microchip Technology Inc. Advance Information DS00000A-page 11MRF24J40MA3.0 CIRCUIT INTERFACE
MRF24J40MADS00000A-page 12 Advance Information © 2008 Microchip Technology Inc.FIGURE 3-1:VDD1RFP2RFN3VDD4VDD5GND6GPIO07GPIO18GPIO59GPIO410RXQP 30RXIP 29LPOSC1 28LPOSC2 27CLKOUT 26GND 25GND 24NC 23GND 22VDD 21IC1GPIO211GPIO312RESET13GND14WAKE15INT16SDO17SDI18SCK19CS2040393837363534333231LCAPVDDNCVDDGNDVDDOSC1OCSC2VDDVDDMRF24J40-1/MLNCNCNCNCNCNCC1047 pFVINC110.1 μFVINL23.3 nHL18.2 nHVINC21.0 pFL35.6 nHC140.5 pFC1347 pFC120.1 pFC150.5 pFC16NPC172.7 pFPCBAntenna L46.8 nHVINP2 RESETP4 INTP3 WAKEP5 SDIP6 SCKP8 CSP9 CLKOUTOEAVINGNDYVCC12IC2NC7SZ125P5XP7 SDO354C30.01 μFVINR1NPP12 GNDP1 GNDP11 GNDP10 VINVINC11 μFC647 pFVINC447 pFVIN C547 pFVINC1820 pFC1920 pFX1 20.00 MHzC9100 pFC70.01 pFVINC81 μFVINNote: NP = Not Placed.
© 2008 Microchip Technology Inc. Advance Information DS00000A-page 13MRF24J40MA4.0 REGULATORY APPROVALThe MRF24J40MA module has received regulatoryapprovals for modular devices in the United States,Canada and European countries. Modular approvalallows the end user to place the MRF24J40MA moduleinside a finished product and not require testing for anintentional radiator (RF transmitter) provided nochanges or modifications are made to the modulecircuitry. Changes or modifications could void theuser's authority to operate the equipment. The enduser must comply with all of the instructions providedby the Grantee which indicate installation and/oroperating conditions necessary for compliance.The end user may still be responsible for testing theend product for any additional compliancerequirements required with this module installed (forexample: digital device emission, PC peripheralrequirements, etc.) in the specific country that the enddevice will be marketed.Annex F of the IEEE Std. 802.15.4 document has a goodsummary of regulatory requirements in various countriesconcerning IEEE Std. 802.15.4 devices. The standardcan be downloaded from the IEEE Standards web page:http://standards.ieee.org/getieee802/802.15.html.Refer to the specific countries radio regulations fordetails on regulatory compliance. 4.1 United StatesThe MRF24J40MA has received Federal Communica-tions Commission (FCC) CFR47 Telecommunications,Part 15 Subpart C “Intentional Radiators” 15.247 andmodular approval in accordance with FCC PublicNotice DA 00-1407 Released: June 26, 2000, Part 15Unlicensed Modular Transmitter Approval. TheMRF24J40MA module can be integrated into a finishedproduct with obtaining subsequent FCC approvals.The MRF24J40MA module has been labeled with itsown FCC ID number and if the FCC ID is not visiblewhen the module is installed inside another device,then the outside of the finished product into which themodule is installed must also display a label referring tothe enclosed module. This exterior label can usewording such as the following:The user's manual should include the followingstatement:4.1.1 RF EXPOSUREAll transmitters regulated by FCC must comply with RFexposure requirements. OET Bulletin 65 “EvaluatingCompliance with FCC Guidelines for Human Exposureto Radio Frequency Electromagnetic Fields” providesassistance in determining whether proposed or existingtransmitting facilities, operations or devices complywith limits for human exposure to Radio Frequency(RF) fields adopted by the Federal CommunicationsCommission (FCC). The bulletin offers guidelines andsuggestions for evaluating compliance.If appropriate, compliance with exposure guidelines formobile and unlicensed devices can be accomplishedby the use of warning labels and by providing userswith information concerning minimum separationdistances from transmitting structures and properinstallation of antennas.Contains Transmitter Module FCC ID:OA3MRF24J40MA-or-Contains FCC ID: OA3MRF24J40MAThis device complies with Part 15 of the FCC Rules.Operation is subject to the following two conditions:(1) this device may not cause harmful interference,and (2) this device must accept any interferencereceived, including interference that may causeundesired operation.This equipment has been tested and found to complywith the limits for a Class B digital device, pursuant topart 15 of the FCC Rules. These limits are designed toprovide reasonable protection against harmfulinterference in a residential installation. Thisequipment generates, uses and can radiate radiofrequency energy and, if not installed and used inaccordance with the instructions, may cause harmfulinterference to radio communications. However, thereis no guarantee that interference will not occur in aparticular installation. If this equipment does causeharmful interference to radio or television reception,which can be determined by turning the equipment offand on, the user is encouraged to try to correct theinterference by one or more of the following measures:• Reorient or relocate the receiving antenna.• Increase the separation between the equipment and receiver.• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.• Consult the dealer or an experienced radio/TV technician for help.
MRF24J40MADS00000A-page 14 Advance Information © 2008 Microchip Technology Inc.The following statement must be included as aCAUTION statement in manuals and OEM products toalert users of FCC RF Exposure compliance:If the MRF24J40MA module is used in a portableapplication (antenna is less than 20 cm from personsduring operation), the end user is responsible forperforming Specific Absorption Rate (SAR) testing inaccordance with FCC rules 2.1091.4.1.2 HELPFUL WEB SITESFederal Communications Commission (FCC)http://www.fcc.gov.4.2 CanadaThe MRF24J40MA module has been certified for use inCanada under Industry Canada (IC) Radio StandardsSpecification (RSS) RSS-210 and RSS-Gen.From section 7.1.1 RSS-Gen, Issue 2, June 2007,Modular Transmitter Approval:Host devices which contain separately certifiedmodules do not need to be recertified, provided thatthey meet the following conditions:a) The host device, as a stand-alone unitwithout any separately certified modules,complies with all applicable Radio StandardsSpecifications.b) The host device and all the separatelycertified modules it contains jointly meet theRF exposure compliance requirements ofRSS-102, if applicable.c) The host device complies with thecertification labeling requirements of each ofthe modules it contains.From section 5.2, RSS-Gen, Issue 2, June 2007,Equipment Labels:All Category I radio equipment intended for use inCanada shall permanently display on each transmitter,receiver, or inseparable combination thereof, theapplicant's name (i.e., manufacturer's name, trade nameor brand name), model number and certification number.This information shall be affixed in such a manner as notto be removable except by destruction or defacement.The size of the lettering shall be legible without the aid ofmagnification, but is not required to be larger than8-point font size. If the device is too small to meet thiscondition, the information can be included in the usermanual upon agreement with Industry Canada.Label:From section 7.1.6, RSS-Gen, Issue 2, June 2007,Digital Circuits:If the device contains digital circuitry that is not directlyassociated with the radio transmitter, the device shallalso have to comply with ICES-003, Class A or B asappropriate, except for ICES-003 labelingrequirements. The test data obtained (for the ICES-003tests) shall be kept by the manufacturer or importerwhose name appears on the equipment label, andmade available to Industry Canada on request, for aslong as the model is being marketed in Canada.4.2.1 HELPFUL WEB SITES:Industry Canada http://www.ic.gc.ca/Note: Compliance of a module in its finalconfiguration is the responsibility of theapplicant. A host device will not beconsidered certified if the instructionsregarding antenna configuration providedin the original description, of one or moreseparately certified modules it contains,were not followedTo satisfy FCC RF Exposure requirements for mobileand base station transmission devices, a separationdistance of 20 cm or more should be maintainedbetween the antenna of this device and personsduring operation. To ensure compliance, operation atcloser than this distance is not recommended.The antenna(s) used for this transmitter must not beco-located or operating in conjunction with any otherantenna or transmitter.Contains IC: 7693A-24J40MA
© 2008 Microchip Technology Inc. Advance Information DS00000A-page 15MRF24J40MA4.3 EuropeThe MRF24J40MA module has been certified for use inEuropean countries. The following testing has beencompleted:Test standard ETSI EN 300 328 V1.7.1 (2006-10)• Maximum Transmit Power• Maximum EIRP Spectral Density• Frequency Range• Radiated EmissionsTest standards ETSI EN 301 489-1:2008 and ETSI EN301 489-17:2008• Radiated Emissions• Electro-Static Discharge• Radiated RF SusceptibilityA helpful document that can be used as a starting pointin understanding the use of short range devices (SRD)in Europe is the European Radio CommunicationsCommittee (ERC) Recommendation 70-03 E, down-loadable from the European Radio CommunicationsOffice (ERO) http://www.ero.dk.The end user is responsible for ensuring compliancewith harmonized frequencies and labelingrequirements for each country the end device ismarketed and sold.4.3.1 HELPFUL WEB SITES:Radio And Telecommunications Terminal Equipment(R&TTE)http://ec.europa.eu/enterprise/rtte/index_en.htmEuropean Conference of Postal and TelecommunicationsAdministrations (CEPT) http://www.cept.org/European Telecommunications Standards Institute(ETSI) http://www.etsi.org/European Radio Communications Office (ERO)http://www.ero.dk/
MRF24J40MADS00000A-page 16 Advance Information © 2008 Microchip Technology Inc.NOTES:
© 2008 Microchip Technology Inc. Advance Information DS00000A-page 17MRF24J40MA5.0 ELECTRICAL CHARACTERISTICS TABLE 1: RECOMMENDED OPERATING CONDITIONSTABLE 2: CURRENT CONSUMPTION (TA = 25°C, VDD = 3.3V)TABLE 3: RECEIVER AC CHARACTERISTICSTypical values are at TA = 25°C, VDD = 3.3V, LO frequency = 2.445 GHzParameters Min Typ Max UnitsAmbient Operating Temperature -40 — +85 °CSupply Voltage for RF, Analog and Digital Circuits2.4 — 3.6 VSupply Voltage for Digital I/O 2.4 3.3 3.6 VInput High Voltage (VIH) 0.5 x VDD —VDD + 0.3 VInput Low Voltage (VIL) -0.3 — 0.2 x VDD VChip Mode Condition Min Typ Max UnitsSleep — 2 — μATX At maximum output power — 22 — mARX — 18 — mAParameters Condition Min Typ Max UnitsRF Input Frequency Compatible to IEEE Std. 802.15.4-20032.405 — 2.480 GHzRF Sensitivity At antenna input with O-QPSK signal and 3.5 dB front-end loss is assumed—-95—dBmMaximum RF Input +5 — — dBmLO Leakage Measured at balun matching network input at frequency 2.405-2.48 GHz—-60—dBmInput Return Loss External matched to 50 source by a balun matching network-8 -12 — dBNoise Figure(including matching)—8—dBAdjacent Channel Rejection@ +/-5 MHz 30 — — dBAlternate Channel Rejection@ +/-10 MHz 40 — — dBRSSI Range — 50 — dBRSSI Error -5 — 5 dB
MRF24J40MADS00000A-page 18 Advance Information © 2008 Microchip Technology Inc.TABLE 4: TRANSMITTER AC CHARACTERISTICSTypical values are at TA = 25°C, VDD = 3.3V, LO Frequency = 2.445 GHzParameters Condition Min Typ Max UnitsRF Carrier Frequency 2.405 — 2.480 GHzMaximum RF Output Power—0+3dBmRF Output Power Control Range—40—dBTX Gain Control ResolutionProgrammed by register — 1.25 — dBCarrier Suppression — -30 — dBcTX Spectrum Mask for O-QPSK SignalOffset frequency > 3.5 MHz, at 0 dBm output power-33 — — dBm
© 2008 Microchip Technology Inc. Advance Information DS00000A-page 19MRF24J40MA6.0 PACKAGING INFORMATIONFor packaging information, see the XXX.
MRF24J40MADS00000A-page 20 Advance Information © 2008 Microchip Technology Inc.NOTES:
© 2008 Microchip Technology Inc. Advance Information DS00000A-page 21MRF24J40MAAPPENDIX A: REVISION HISTORYRevision A (August 2007)Original data sheet for the MRF24J40MA device.
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© 2008 Microchip Technology Inc. Advance Information DS00000A-page 23MRF24J40MATHE MICROCHIP WEB SITEMicrochip provides online support via our WWW site atwww.microchip.com. This web site is used as a meansto make files and information easily available tocustomers. Accessible by using your favorite Internetbrowser, the web site contains the followinginformation:•Product Support – Data sheets and errata, application notes and sample programs, design resources, user’s guides and hardware support documents, latest software releases and archived software•General Technical Support – Frequently Asked Questions (FAQ), technical support requests, online discussion groups, Microchip consultant program member listing•Business of Microchip – Product selector and ordering guides, latest Microchip press releases, listing of seminars and events, listings of Microchip sales offices, distributors and factory representativesCUSTOMER CHANGE NOTIFICATION SERVICEMicrochip’s customer notification service helps keepcustomers current on Microchip products. Subscriberswill receive e-mail notification whenever there arechanges, updates, revisions or errata related to aspecified product family or development tool of interest.To register, access the Microchip web site atwww.microchip.com, click on Customer ChangeNotification and follow the registration instructions.CUSTOMER SUPPORTUsers of Microchip products can receive assistancethrough several channels:• Distributor or Representative• Local Sales Office• Field Application Engineer (FAE)• Technical Support• Development Systems Information LineCustomers should contact their distributor,representative or field application engineer (FAE) forsupport. Local sales offices are also available to helpcustomers. A listing of sales offices and locations isincluded in the back of this document.Technical support is available through the web siteat: http://support.microchip.com
MRF24J40MADS00000A-page 24 Advance Information © 2008 Microchip Technology Inc.READER RESPONSEIt is our intention to provide you with the best documentation possible to ensure successful use of your Microchip prod-uct. If you wish to provide your comments on organization, clarity, subject matter, and ways in which our documentationcan better serve you, please FAX your comments to the Technical Publications Manager at (480) 792-4150.Please list the following information, and use this outline to provide us with your comments about this document.To: Technical Publications ManagerRE: Reader ResponseTotal Pages Sent ________From: NameCompanyAddressCity / State / ZIP / CountryTelephone: (_______) _________ - _________Application (optional):Would you like a reply? Y NDevice: Literature Number: Questions:FAX: (______) _________ - _________DS00000AMRF24J40MA Family1. What are the best features of this document?2. How does this document meet your hardware and software development needs?3. Do you find the organization of this document easy to follow? If not, why?4. What additions to the document do you think would enhance the structure and subject?5. What deletions from the document could be made without affecting the overall usefulness?6. Is there any incorrect or misleading information (what and where)?7. How would you improve this document?
© 2008 Microchip Technology Inc. Advance Information DS00000A-page 25MRF24J40MAMRF24J40MA PRODUCT IDENTIFICATION SYSTEMTo order or obtain information, e.g., on pricing or delivery, refer to the factory or the listed sales office.PART NO. X/XX XXXPatternPackageTemperatureRangeDevice Device(1) (2) PinLow, PinHigh, VDD range 4.2V to 5.5VMRF24J40MA,( VDD range 2.0V to 5.5VTemperature RangeI= -40°C to +85°C (Industrial)E= -40°C to +125°C (Extended)Package PT = TQFP (Thin Quad Flatpack)Pattern QTP, SQTP, Code or Special Requirements (blank otherwise)Examples:a) MRF24J40MA-I/PT 301 = Industrial temp., TQFP package, Extended VDD limits, QTP pattern #301.b) MRF24J40MA-E/PT = Extended temp., TQFP package, standard VDD limits.Note 1: F = Standard Voltage RangeLF = Wide Voltage Range2: T = in tape and reel TQFPpackages only.
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