Microchip Technology WINC3400 ATWINC3400-MR210UA User Manual

Atmel Corporation ATWINC3400-MR210UA

Contents

User Manual

Atmel Corporation 1 Spectrum Pointe Drive Suite 225 Lake Forest, CA 92630 T: (949)340.6150 F: (949) 707.4027 www.atmel.com  ATWINC3400DESIGN‐INGUIDELINESAtmelATWINC3400moduleprovidesWi‐FicapabilitiestoaHostProcessor.Thefollowingconnectionsarerequiredfortheproperoperation:‐3.3Vpowersupply,‐VDDIO,‐CHIP_EN,RESETcontrolsignals,‐SPIorSDIOinterface.Itisrecommendedtoinstall0OhmseriesresistorsoninterfacetracesasplaceholdersincasethereisaneedtoaddsomefilteringonthoselinetoreduceinterferencefromtheHostProcessor.Modulecanbeinstalledonaproduct’scarrierboard;inthiscasecarrierboardmusthave20x7(mm)clearancearea(notracesorcopperonanylayer)undermodule’sprintedantenna.Clearancearea20mmdimensionmustbealongthecarrierboardedge.EachmodulehaslabelwithFCCID,howeverproductUserManualmustcontainthefollowingstatement:“This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interferencereceived,includinginterferencethatmaycauseundesiredoperation”.Modulemustbeinstalledintotheendproducttoprovideaseparationdistanceofatleast6.5cmfromallpersonsandmustnotbeco‐locatedoroperatinginconjunctionwithanyotherantennaortransmitter.Ifmodule’slabelisnotvisiblewheninstalled,thenanadditionalpermanentlabelreferringtotheenclosedmodule:“ContainsTransmitterModuleFCCID:2ADHKWINC3400”mustbeused.(2) ThisequipmenthasbeentestedandfoundtocomplywiththelimitsforaclassBdigitaldevice,pursuanttopart15oftheFCCRules.Theselimitsaredesignedtoprovidereasonableprotectionagainstharmfulinterferenceinaresidentialinstallation.Thisequipmentgenerates,usesandcanradiateradiofrequencyenergyandifnotinstalledandusedinaccordancewiththeinstructions,maycauseharmfulinterferencetoradiocommunications.However,thereisnoguaranteethatinterferencewillnotoccurinaparticularinstallation.Ifthisequipmentdoescauseharmfulinterferencetoradioortelevisionreception,whichcanbedeterminedbyturningtheequipmentoffandon,theuserisencouragedtotrytocorrecttheinterferencebyoneormoreofthefollowingmeasures:‐Reorientorrelocatethemodule/product.‐Increasetheseparationbetweentheequipmentandmodule/product.‐Consultthedealeroranexperiencedradio/TVtechnicianforhelp.‐Changesandmodificationsmadetotheequipmentwithouttheapprovalofmanufacturercouldvoidtheuser'sauthoritytooperatethisequipment.

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