34RTL8305SC-DEMO-SCH128P2L-V2

5544332211EEDDCCBBAAPort4SpeedControl,openfor100Mbpsandshortfor10MpbsPort4LinkStatusControl,shortwithjumpertoforcePort4linkPort4DuplexControl,openforfullduplexandshortforhalfduplexT3/9,10R12T3/11,12Note:Port4FlowControl,openforenableandshortfordisablefullduplexflowcontrol1:Thedemoboardis2layerPCBand1sideSMDforRTL8305SC.2:CrystalshuntcapacitorC50andC51shoulduse18pF.3:L5~L8areusedforEMItest,optionalforcustomers.4:R13,IBREFresistershoulduse1.96Kohm.5:J2isforPort4PHYcircuitMIIinterfaceconnector.6:J3isforPort4MACcircuitMIIinterfaceconnector.7:R75andR76isforinternaltest,don'tneedforcustomers.8.R78isusedforPHY2TXENpulldownresister.WhenL2dumpswitchtestshouldnotbeassembled.WhenenableDualMIIfunction,theresistershouldbeassembled.RTL8305SCDemoBoard5portUTPT3/7,8R11T3/5,6R10RTL8305SC5PortSwitchDemoBoardConfigurationResisterAuthor:AlexLinR8T3/13,14Backpressureenable/disable,opentoenableandshorttodisablePort4ModeControl,[11]:UTP/MIIMAC;[10]:100Base-FX;[01]:MIIPHY;[00]:SNIPHYT3/15,16R15105mmPort4EEPROMRTL8305SCPort1SPDDUPLEDPowerACTPort0Transformer&PhoneJackCLOCKMIIPHYCONPort2Port3SDA76mmSCLMIIMACCONCONFIGJUMPERT3/3,4R9Deferenable/disable,opentoenableandshorttodisableDisableDualMII,shorttoenableDualMIIfunctionR13,R14R7R6Broadcaststromcontrolenable/disable,opentodisableandshorttoenableRH1/RH2,RL1/RL2BroadcastInput/Outputdrop,RH1/RH2forinputdropandRL1/RL2foroutputdropRTL8305SCDemoBoardRevisionHistoryFirstrelease1.01.1AddR77forMRXDV_PTXENandR78forPHY2TXENpulldownresisterswhenenablePort4MIIfunctionandDualMIIfunction.2.0Powersolution:C45changeto470pF&R53,R54,R56,L11shortandremovedforimproveEMI.L5,L6,L7,L8changeto1000pF/2KVforimproveEMI.SeperateRV1,RV2circuit,andaddRV4,RV5.RV1-RV5changeto68pF/2KVforimproveEMI.AddC55,C56,C57atDCJackCN1forimproveEMI.J1changeto1*4connectorandadd3.3Vatpin4.J4changeto2*7connectorandremoveEN_DEFERsettingpin.J3.3MDC&J3.4MCIOpinchangetoNCpin.PCBlayoutchangetov.2.0DC7.5V/1AInputBLOCKDIAGRAM2.0RTL8305SCDEMOBOARDRealtekSemiconductorCorp.A14Thursday,August05,2004TitleSizeDocumentNumberRevDate:Sheetof5544332211DDCCBBAACloseto8305SCLayoutNote:DISDUALMIIP4MODE[1]P4MODE[0]P4_FCTRL_STAP4_DUP_STAP4_LNK_STA#MarkonboardP4_SPD_STAPort4MACCircuitMIIPort4PHYCircuitMII3.3VMDCPRXD3PRXD1PRXDVGNDPTXCPTXD3PTXD1PCOLGNDMDIOPRXD2PRXD0PRXCGNDPTXENPTXD2PTXD0GNDMarkonboard3.3VNCMRXD3MRXD1MRXDVGNDMTXCMTXD3MTXD1MCOLGNDNCMRXD2MRXD0MRXCGNDMTXENMTXD2MTXD0GNDMarkonboardEN_BKPRSEN_DEFERAuthor:AlexLinMarkonboardMDCMDIOGND3.3VDIS_BCSTMNote:Layonsolderonlyfortest,don'tneedforcustomerLayoutNote:OnlyforEnableDualMIIfunction.RTL8305SC2.0RTL8305SCDEMOBOARDRealtekSemiconductorCorp.24Thursday,August05,2004BTitleSizeDocumentNumberRevDate:SheetofDUP3_GYMODEENDEFERSDA_MDIOSCL_MDCMRXD3_PTXD3MRXD2_PTXD2MRXD1_PTXD1MRXD0_PTXD0MRXDV_PTXENMRXC_PTXCMCOL_PCOLMTXD3_PRXD3MTXD2_PRXD2MTXD1_PRXD1MTXD0_PRXD0MTXEN_PRXDVMTXC_PRXCPHY2PCOLPHY2PTXD3PHY2PTXD2PHY2PTXD1PHY2PTXD0PHY2PTXENPHY2PTXCPHY2PRXCPHY2PRXDVPHY2PRXD1PHY2PRXD0P4MODE0P4MODE1DISDUALMIIP4DUPSTAP4FLCTRLP4SPDSTAP4LNKSTA#P4MODE1DISDUALMIIP4FLCTRLP4MODE0P4LNKSTA#PHY2PTXCPHY2PTXD2PHY2PRXD2PHY2PRXCPHY2PTXENPHY2PCOLPHY2PRXD3PHY2PRXDVPHY2PRXD0PHY2PTXD0PHY2PTXD3PHY2PRXD1PHY2PTXD1PHY2PRXD2PHY2PRXD3SCL_MDCWPSDA_MDIOMCOL_PCOLMRXDV_PTXENMTXD3_PRXD3MTXEN_PRXDVMRXD2_PTXD2MTXD1_PRXD1MRXD1_PTXD1MTXD0_PRXD0MTXC_PRXCMRXD0_PTXD0MRXC_PTXCMRXD3_PTXD3MTXD2_PRXD2ENDEFERSDA_MDIOSCL_MDCP4DUPSTAP4SPDSTAPHY2PRXD3PHY2PRXDVSPD3_DISARPACT3_EN48P1DUP4_SETGPSPD4_DISVLANACT4_DISFCOFFACT4_DISFCOFFSPD3_DISARPDUP3_GYMODESPD4_DISVLANACT3_EN48P1DUP4_SETGPRXIP1RXIN4TXON0RXIP3TXOP2TXOP0RXIP0RXIP2TXOP1RXIN2RXIN1TXON1TXON3TXOP4RXIN3RXIP4TXON2TXOP3RXIN0TXON4RXIP1RXIN4TXON0RXIP3TXOP2TXOP0RXIP0RXIP2TXOP1RXIN2RXIN1TXON1TXON3TXOP4RXIN3RXIP4TXON2TXOP3RXIN0TXON4EN_AUTOXOVEREN_AUTOXOVERDTEST2DTEST1DTEST2DTEST1MRXDV_PTXENPHY2PTXENDISDUALMIIP4MODE0P4FLCTRLP4DUPSTAP4SPDSTAP4MODE1P4LNKSTA#SDA_MDIOSCL_MDC8305SC_X2(4)8305SC_X1(4)VCTRL(4)SPD0_MAX1536(4)DUP0_AGBACK(4)ACT0_BCINDROP(4)DUP1_GYFULL(4)SPD1_GXFULL(4)ACT1_GYSPD(4)DUP2_GYANEG(4)SPD2_GXANEG(4)ACT2_P4ANEG(4)RESET#(4)ACT4_DISFCOFF(4)DUP4_SETGP(4)ACT3_EN48P1(4)SPD4_DISVLAN(4)DUP3_GYMODE(4)SPD3_DISARP(4)RD0-(3)TD0+(3)RD3-(3)TD4+(3)RD2+(3)RD4-(3)TD4-(3)RD1+(3)TD2+(3)TD3-(3)RD2-(3)TD1-(3)RD0+(3)RD4+(3)RD3+(3)TD0-(3)TD2-(3)RD1-(3)TD1+(3)TD3+(3)AVDD18AVDD18DVDD33DVDD33DVDD33DVDD18DVDD18DVDD18DVDD33DVDD33DVDD33AVDD33DVDD33C20.1uFC70.1uFR9NI-1KJ4CON14A(2.54x2.54mm)1234567891011121314R14NI-1KR7NI-1KJP1JUMPERR75NI-100R12NI-1KC130.1uFC90.1uFC80.1uFC140.1uFR76NI-100R15NI-1KC150.1uFR51.96K(1%)C30.1uFC160.1uFC60.1uFC147uF(DIP)RTL8305SCU2RTL8305SC203023145610891112131415161718197212223242526272829313233343536373839404142434445464748495051525354555657585960616263646566676869707172737475767778798081828384858687888990919293949596979899100103104105106107108109110111112113114115116117118119120121122123124125126127128101102TXON[2]RXIN[4]RXIN[0]RXIP[0]AVDD18AGNDTXOP[0]TXON[0]TXOP[1]AVDD18TXON[1]AGNDRXIP[1]RXIN[1]AVDD18AVDD18RXIN[2]RXIP[2]AGNDTXOP[2]AVDD18AVDD18AVDD18TXON[3]TXOP[3]AGNDRXIP[3]RXIN[3]AVDD18AVDD18RXIP[4]AGNDTXOP[