OV5640-Camera-Module-Hardware-Application-Notes-R1

OV5640CameraModuleHardwareApplicationNotesOV5640CameraModuleHardwareApplicationNotesLastModified:Apr19th,2010DocumentRevision:1.0OmniVisionTechnologies,Inc.reservestherighttomakechangeswithoutfurthernoticetoanyproducthereintoimprovereliability,functionordesign.OmniVisiondoesnotassumeanyliabilityarisingoutoftheapplicationoruseofanyproject,circuitdescribedherein;neitherdoesitconveyanylicenseunderitspatentnortherightofothers.SensordatasheetistheofficialdocumentofOmniVision.Software/hardware/dualcameraapplicatonnotesareapplicationguidelinesforreference.Ifthereareanydifferencebetweensensordatasheetandapplicationnotes,pleasefollowsensordatasheetandkindlyreportthedifferencetoOVTFAE.Thisdocumentcontainsinformationofaproprietarynature.NoneofthisinformationshallbedivulgedtopersonsotherthanOmniVisionTechnologies,Inc.employeeauthorizedbythenatureoftheirdutiestoreceivesuchinformation,orindividualsororganizationsauthorizedbyOmniVisionTechnologies,Inc.1CompanyConfidentialOV5640CameraModuleHardwareApplicationNotesTableofContents1.OV5640CameraModuleReferenceDesign....................................................................................32.OV5640InterfacewithHost............................................................................................................52.1Host1.8VIOand56401.8VIO................................................................................................52.2Host2.8VIOand56401.8VIO................................................................................................52.3Host2.8VIOand56402.8VIO................................................................................................73.OV5640CameraInterfaceReferenceforCameraPhone................................................................83.1PinDefinition.............................................................................................................................83.2PowerSupply.............................................................................................................................84.OV5640CameraOperation............................................................................................................104.1PowerSavingModes...............................................................................................................104.2CameraOperationinPowerDownMode................................................................................104.2.1BatteryOn........................................................................................................................104.2.2WakeupFromPowerDown............................................................................................114.2.3PowerDown.....................................................................................................................114.3CameraOperationinPowerOffMode....................................................................................124.3.1BatteryOn........................................................................................................................124.3.2CameraOn.......................................................................................................................125.SCCBBussharing................................................................................................................146.TimingConsiderationsforPhonePCBDesign..............................................................................156.1SamplewithPCLK..................................................................................................................156.2SamplewithXCLK.................................................................................................................166.3UsingEMI/ESDDevice...........................................................................................................167.HardwareCheckList......................................................................................................................177.1CheckHardwareDesign..........................................................................................................177.1.1ModuleFunction..............................................................................................................177.1.2CheckCameraInterfaceofPhone...................................................................................177.2CheckifCameraModuleisWorking......................................................................................177.3CheckSCCB............................................................................................................................187.4CheckCameraInterface...........................................................................................................187.5SomeTypicalIssues............................................................................................................197.6ImageDirection........................................................................................................