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5544332211DDCCBBAATitleSizeDocumentNumberRevDate:SheetofPCM-9375TTLB101-2B1HistoryPageCustom127Thursday,May21,2009TitleSizeDocumentNumberRevDate:SheetofPCM-9375TTLB101-2B1HistoryPageCustom127Thursday,May21,2009TitleSizeDocumentNumberRevDate:SheetofPCM-9375TTLB101-2B1HistoryPageCustom127Thursday,May21,2009PCM-9375RevisionHistoryPCM-9375REV.A101-1PCB:19C693750096BOM:96969375XXEDate:2005/06/061.PCBversion:A101-1P/N:19C6937500PCM-9375REV.A101-2Date:2005/12/211.PCBversion:A101-2P/N:19C69375012.PG11:ConnectSODIMMI2CtoSBSMBUSasaresultofthecarelessbefore.3.PG22:ConnectIT888I2CtoSBSMBUSasaresultofthecarelessbefore.4.PG18:ChangeR289from10Kto0ohm,R283NLto0ohm,anddeleteR286&R294tofixCFcompatibleissue.5.PG21:ChaneLPTconnectorfrom2.0mmto1.27mm.6.PG4/5:Implementthe8051tocontrolthepower-upsquence.7.PG13:AddRCfilterforU15PinH14&K14.1.PCBversion:A101-2P/N:19A6937501PCM-9375REV.A101-2Date:2007/11/29PCM-9375REV.A102-1PCB:19A693750296BOM:96969375XXEDate:2008/01/101.PG17:Addtwoserial470ohmresistorsatpin1pin2ofU18tosolveSCH3114burnedissue.2.PG20:Connectpin58ofU23andU26tosupportoverstandardheavyloadingofUSBport.3.PG23:AudiosignalsreserveresistorsR465~R466beforeconnectwithcn22forSVSS063feedbackcheck.4.PG04:Pin13ofU3addfuseFS5tosolveovertemperatureissuethatcausedbyopen-shorttest.5.PG05:D5D6addfuseFS3FS4topreventburnedcomponentthatcausedbyopen-shorttest.6.PG11:CN7pin197add0ohmresistortoreserveforchoose2.5Vor3.3Vpowersource.ApprovedbyCheckedbyPreparedbyPCM-9375TTLREV.B1-01-1PCB:19A693754096BOM:96969375XXEDate:2008/11PCM-9375IDEtoSATA1.PCM-9375B1-01-2(TTL),a.96!:Old9696937511EaNew96969375E0Eb.PCB:Old19A6937502(PCBPCM-9375A102-1)aNew19A6937540c.PCB:Old19A6937540(PCBPCM-9375B101-1)aNew19A69375412.PCM-9375B1-01-2(LVDS)a.96!:Old9696937541EaNew96969375F0Eb.PCB:Old19A6937512(PCBPCM-9375A202-1)aNew19A6937550c.PCB:Old19A6937550(PCBPCM-9375B101-1)aNew19A69375513.PCM-9375B1-01-1(LVDS)a.96!:Old96969375C0EaNew96969375G0Eb.PCB:New19A69375512.PG21:AddR521forU51-UARTinterface1.PG18:ChangeIDEtoSATA&ReferfromPCM-233AA101-2(RemoveIDEconnandaddIDEtoSATAparts).3.PG21:AddQ19&R294forCOMportenablecontrol.4.PG05,15,20:UpdatetheD5,D6,CN13,CN15,SP1forCISnewfootprint.5.PG04:ChangeCN2CONNfornewfootprint(WF_4P_200_R1_D).6.PG21:AddR523~R528(reserve)forRS422/RS485stabletransmission.7.PG17:AddR282&pulluptoV3.3forODpin(U18.115).8.PG20:AddD21(BAT54)forleakage.9.PG14:UpdatethefootprintforBH1.10.PG17&5:AddR285,R286forreserve.PCM-9375TTLREV.B1-01-2PCB:19A693754196BOM:96969375E0EDate:2009/041.PCBVersion:B101-2P/N:19A69375412.PG04:AddinputCAP(C225,C226,C227,C228,C232,C244)forVT221(U1,U2,U4).3.PG20:ChangetheUSBpowersolutionforpolyswitchfromULissue(DelU23,U26&AddPS1,B23,R473,R474,PS2,B25,R475,R476)4.PG7~15:UpdatetheBGAfootprintforU13,U15(conerPADgrow)5.PG14:ChangeD10toBAS40-50.6.PG14:ChangeBH1(holder)toCN11(wire).7.PG13:ChangeRG1toB70forUSBpower(SVS).8.PG15:ChangeQ8toMMBT2222forcurrentrating..5544332211DDCCBBAATitleSizeDocumentNumberRevDate:SheetofPCM-9375TTLB101-2B1BlockDiagramCustom227Thursday,May21,2009TitleSizeDocumentNumberRevDate:SheetofPCM-9375TTLB101-2B1BlockDiagramCustom227Thursday,May21,2009TitleSizeDocumentNumberRevDate:SheetofPCM-9375TTLB101-2B1BlockDiagramCustom227Thursday,May21,2009AMDGeodeLXPCIBUSLPCSuperI/OSlaveCompactFlashIDEtoSATA(ARC772)AMDGeodeCS5536/CS5535WatchdogCOM1/COM2DDRSDRAMDDR400200pinSODIMMx1CRTConnectorAnalogRGB24BitTTL(DF13-40P)LCDConnectorRJ-45(RTL8100or82551)10/100LANPCItoISABridgeIT8888GPC104ConnectorUSB2.0USB2.0x4AC-Link(ALC202)AC'97CodecLine-inMic-inLine-outMasterIDE/DMA33LPCBusBIOSPS/2KB&MSPCA9554GPIOSMBusLTPCOM3/COM4(SCH3114)SpeakerOutAmpBoxHeader(RTL8100or82551)10/100LAN5544332211DDCCBBAATitleSizeDocumentNumberRevDate:SheetofPCM-9375TTLB101-2B1PageIndexCustom327Thursday,May21,2009TitleSizeDocumentNumberRevDate:SheetofPCM-9375TTLB101-2B1PageIndexCustom327Thursday,May21,2009TitleSizeDocumentNumberRevDate:SheetofPCM-9375TTLB101-2B1PageIndexCustom327Thursday,May21,2009PG01:HistoryPagePG11:DDRSODIMMPG19:VGACON.PG18:IDE/CFConnectorPG23:AC97CODECALC202PG20:USB/PS2CON.DESCRIPTIONPG08:CPU(2)DDRPG06:ClockGen/PCIArbitorPG10:DDRTerminationPG13:CS5536(1)PowerPG21:COM/LPTCON.PG22:PCItoISAPG24:Ethernet8100(1)PG07:CPU(1)PowerPG25:Ethernet82551(1)PG02:BlockDiagramPG17:LPCSIO(SCH3114)PG04:Power(1)PG12:CPU(4)PCIPG09:CPU(3)VGA/LCDPG15:CS5536(3)IDE/LPC/USB/AC97PG16:LPCFWHPG05:Power(2)/Reset/C8051PG14:CS5536(2)PCI/OtherPG03:CoverPage5544332211DDCCBBAAVCC_VT221_0VCC_VT221_1VCC_VT221_2V2.5_VT221V3.3_VT221EN_V2.5_CPUEN_V2.5_CPUVCPU_VT221V3.3V3.3V2.5V_CPUV_CPUVCCVCCVCCVCCVCCVCCVCCV2.5V12VCCV5SBV2.5V2.5_CPUV2.5VCCVCCVCCC51_P55C51_P45PS_ON#14WORKING14C51_P35WORK_AUX14TitleSizeDocumentNumberRevDate:SheetofPCM-9375TTLB101-2B1Power(1)Custom427Thursday,May21,2009TitleSizeDocumentNumberRevDate:SheetofPCM-9375TTLB101-2B1Power(1)Custom427Thursday,May21,2009TitleSizeDocumentNumberRevDate:SheetofPCM-9375TTLB101-2B1Power(1)Custom427Thursday,May21,2009Vout=1.23V*(120K/44.2K)=3.3394VRBIASRREFV3.3/4AVout=1.23V*(RREF/RBIAS)RBIASRREFVout=1.23V*(88.7K/43.2K)=2.5255VVout=1.23V*(RRE