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rhothorTMX7I/Oconfiguration:XY2-100TECHNICALDATASHEETGeneraldescriptionTheXY2-100interfaceisusedtosendXandYcoordinatesfromthecontrollertothedeflectionsystem.Itisaserialinterfaceusing20-bitwords,sentwithaspeedof2Mbit/sor100kwords/s.ThisdocumentdescribestheIO-pinconfiguration,thesignaldescriptionandthetimingspecifications.PinconfigurationPinNameSignaldescriptionIn/Out1/14IO1-/IO1+SENDCK:ContinuouslyrunningclockInput2/15IO2-/IO2+SYNC:SynchronisesdatatransferInput3/16IO3-/IO3+CHANNELX:DatatoXaxisInput4/17IO4-/IO4+CHANNELY:DatatoYaxisInput5/18IO5-/IO5+6/19IO6-/IO6+STATUS:DefinesheadstatusOutput7/20IO7-/IO7+13REF_IOReferenceI/O,connectwithGNDofcontrollerboard.www.newson.bePage1of2Revision0703.Specificationsmaychangewithoutnotice.CopyrightNewsonEngineeringnv,2000-2007rhothorTMX7I/Oconfiguration:XY2-100TECHNICALDATASHEETSignaldescription10µs1234567891011121314151617181920SENDCKSYNCCHANNELX/YD00PC2C1C0D15D14D13D12D11D10D09D08D07D06D05D04D03D02D01D00PC2C1C0DATA(CHANNELX,CHANNELY)Thedataofeachaxisconsistof20-bitwords.Thefirst3bitsareusedasacontrolword(C2-C0).Thenext16bitsaredatainformation(D15-D0,offsetbinary)andthelastbitisaparitybit(P,evenparity).C2C1C0datainformation001motorsetpointvalueSYNCThetransferofdataissynchronisedusingasynchronisationsignal.TheSYNCbitgoeshighwhenthefirstbitcanbesent.Itremainshighfor19bitsandgoeslowwhentheparitycanbesent.SENDCKTheclocksignalrunsatafrequencyof2MHz.Whenitgoeshigh,thedatabitchanges.Whenitgoeslow,thedatabitissampledbythedeflectionsystem.STATUSThestatusbitissentbythedeflectionsystem,itisnotsynchronisedwiththeSENDCKinput.TheSTATUSbitis'0'when:-theXaxisposition<maximumpositionerrorand-theYaxisposition<maximumpositionerrorand-theeffectiverotorXcurrent<warningleveland-theeffectiverotorYcurrent<warningleveland-thedigitalregulatorruns.TheSTATUSbitis'1'whenatleastoneoftheseconditionsisfalse.TimingspecificationsClocktodatatimingDescriptionNameMinTypMaxUnitsdata
