Microchip Technology WINC3400 ATWINC3400-MR210UA User Manual

Atmel Corporation ATWINC3400-MR210UA

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Atmel Corporation

1 Spectrum Pointe Drive

Suite 225

Lake Forest, CA 92630



T: (949)340.6150

F: (949) 707.4027

www.atmel.com

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ATWINC3400DESIGN‐INGUIDELINES

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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.

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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.

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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.

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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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Microchip Technology WINC3400 ATWINC3400-MR210UA User Manual

Atmel Corporation ATWINC3400-MR210UA

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