410-380 Datasheet 410-380 | P1-P3

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PmodMicroSDReferenceManual

TheDigilentPmodMicroSD(RevisionA)allowssystemboardstoreadfromandwriteto

microSDcards.WithnolimitationonthefilesystemormemorysizeofthemicroSDcard,users

willbeabletostoreandaccesslargeamountsofdatafromtheirsystemboard.

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Features

 MicroSDcardslot

 Storeandaccesslargeamountsofdatafromyoursystemboard

 NolimitationonfilesystemormemorysizeofmicroSDcardused

 1‐bitand4‐bitcommunication

 12‐pinPmodportwithSPIinterface

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FunctionalDescription

ThePmodMicroSDisagreatwaytostoreandaccessinformationonadevicethatcanthenbe

accessedbyoutsidedevicessuchasaphoneorcomputer.

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InterfacingwiththePmod

ThePmodMicroSDisdesignedtocommunicatewiththehostboardprimarilythroughtheSPI

protocol.Bydefault,themicroSDcarditselfisdefinedtobootupinSDmode,butwillenter

intoSPImodewhentheChipSelectline ispulledlow.Theactualtechniqueofwritingtoand

readingfromspecificlocationsonanmicroSDgoesbeyondthescopeofthisdocument,butthe

complexityoftheprocessisnicelyabstractedawaywithinthechipKITSDlibraryand

DigilentPmodSDIPCore.

Apinoutdescriptiontableforthe2×6pinheaderonthePmodMicroSDcanbefoundbelow:

ConnectorJ1‐PinDescriptions

Pin Signal DescriptionPin Signal Description

1 ~CS ChipSelect/Data3 7 DAT1 Data1

2 MOSI MOSI/Command 8 DAT2 Data2

3 MISO MISO/Data0 9 CD CardDetect

4 SCK SerialClock 10 NC NotConnected

5 GND PowerSupplyGround 11 GND PowerSupplyGround

6 VCC PowerSupply(3.3V) 12 VCC PowerSupply(3.3V) 

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AnyexternalpowerappliedtothePmodMicroSDmustbewithinthespecificationsofthe

insertedmicroSDcard.AsdeterminedbytheSDcardassociation,thisvoltagerange mustbe

within2.7to3.6volts.The3.3operatingvoltageonDigilentsystemboardsnicelycomplieswith

thisstandard.

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PhysicalDimensions

Thepinsonthepinheaderarespaced100milapart.ThePCBis1.8incheslongonthesides

paralleltothepinsonthepinheaderand1.8incheslongonthesidesperpendiculartothepin

header.

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https://reference.digil entinc.com/ref erence/pmod/pmodmicrosd/reference‐manual6‐19‐18

P1-P3

410-380

Mfr. #:

Buy 410-380

Manufacturer:

Digilent

Description:

Memory IC Development Tools Pmod MicroSD: microSD Card Slot

Lifecycle:

New from this manufacturer.

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Products related to this Datasheet

410-380