ProductFolderSample &BuyTechnicalDocumentsTools &SoftwareSupport &CommunityDP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISE
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comSIGNAL NAME TYPE PIN # DESCRIPTIONRD-, RD+ I/O 13 Differential re
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20155 Specifications5.1 Absolute Maximum Ratings(1)(2)MIN MAX UNITSup
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com5.5 DC SpecificationsPINPARAMETER TEST CONDITIONS MIN TYP MAX UNI
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20155.6 AC Timing RequirementsPARAMETER DESCRIPTION NOTES MIN TYP MAX
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comAC Timing Requirements (continued)PARAMETER DESCRIPTION NOTES MIN
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015AC Timing Requirements (continued)PARAMETER DESCRIPTION NOTES MIN
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comAC Timing Requirements (continued)PARAMETER DESCRIPTION NOTES MIN
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Figure 5-1. Power-Up TimingFigure 5-2. Reset TimingCopyright © 20
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comFigure 5-3. MII Serial Management TimingFigure 5-4. 100 Mb/s MII
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Figure 5-7. 100BASE-TX Transmit Packet Deassertion TimingFigure 5
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com1.4 Functional Block Diagram2 Introduction Copyright © 2007–2015,
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comFigure 5-10. 100BASE-TX Receive Packet Deassertion TimingFigure 5
T2.17.1T2.17.2T2.17.31 0 1 0 1 0 1 0 1 0 1 11st SFD Bit Decoded0000 Preamble SFD DataRXD[3:0]RX_DVRX_CLKCRSTPRDrT2.15.1T2.15.2TX_CLKTX_ENTXDPMD Output
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comFigure 5-19. 10 Mb/s Heartbeat TimingFigure 5-20. 10 Mb/s Jabber
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Figure 5-24. 100 Mb/s Internal Loopback TimingFigure 5-25. 10 Mb/
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comFigure 5-26. RMII Transmit TimingFigure 5-27. RMII Receive Timing
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Figure 5-30. 100 Mb/s X1 to TX_CLK TimingCopyright © 2007–2015, T
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com6 Detailed Description6.1 OverviewThe device is 10/100 Mbps Ether
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20156.2 Functional Block DiagramCopyright © 2007–2015, Texas Instrume
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com6.3 Feature DescriptionThis section includes information on the v
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20156.3.1.2 Auto-Negotiation Register ControlWhen Auto-Negotiation is
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Table of Contents1 Introduction ...
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comIf the DP83848VYB completes Auto-Negotiation as a result of Paral
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Table 6-2. LED Mode SelectionLED_CFG[1] (bit LED_CFG[0] (bit 5)Mo
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comFigure 6-1. AN Strapping and LED Loading Example6.3.3.2 LED Direc
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20156.3.6 Energy Detect ModeWhen Energy Detect is enabled and there i
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comIf a collision occurs during a receive operation, it is immediate
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Table 6-3. Supported Packet Sizes at ±50ppm ±100ppm For Each Cloc
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comFigure 6-2. Typical MDC/MDIO Read OperationFigure 6-3. Typical MD
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Table 6-5. PHY Address MappingPin # PHYAD Function RXD Function42
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com6.4.6 Half Duplex vs. Full DuplexThe DP83848VYB supports both hal
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20156.5 Programming6.5.1 ArchitectureThis section describes the opera
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com3 Device ComparisonTable 3-1. Device Features ComparisonDEVICE TE
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comTable 6-6. 4B5B Code-Group Encoding/DecodingDATA CODES0 11110 000
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20156.5.1.1.2 ScramblerThe scrambler is required to control the radia
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com6.5.1.2.1 Analog Front EndIn addition to the Digital Equalization
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015In order to ensure quality transmission when employing MLT-3 enco
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comThe DP83848VYB is completely ANSI TP-PMD compliant and includes B
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015In order to maintain synchronization, the descrambler must contin
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com6.5.1.3.1.1 Half Duplex ModeIn Half Duplex mode the DP83848VYB fu
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015When heartbeat is enabled, approximately 1 µs after the transmiss
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com6.5.1.3.9 TransmitterThe encoder begins operation when the Transm
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Table 6-8. Register TableRegister Name Addr Tag Bit 15 Bit 14 Bit
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20154.1 Pin LayoutPTB Package48-Pin HLQFPTop ViewCopyright © 2007–201
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comTable 6-8. Register Table (continued)Register Name Addr Tag Bit 1
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20156.6.1.1 Register DefinitionIn the register definitions under the
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comTable 6-9. Basic Mode Control Register (BMCR), address 0x00h (con
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Table 6-10. Basic Mode Status Register (BMSR), address 0x01h (con
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comTable 6-13. Negotiation Advertisement Register (ANAR), address 0x
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Table 6-13. Negotiation Advertisement Register (ANAR), address 0x
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com6.6.1.1.7 Auto-Negotiation Link Partner Ability Register (ANLPAR)
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20156.6.1.1.8 Auto-Negotiate Expansion Register (ANER)This register c
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comTable 6-17. Auto-Negotiation Next Page Transmit Register (ANNPTR)
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Table 6-18. PHY Status Register (PHYSTS), address 10h (continued)
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com4.2 Package Pin AssignmentsVBH48A PIN # PIN NAME VBH48A PIN # PIN
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com6.6.1.2.2 MII Interrupt Control Register (MICR)This register impl
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Table 6-20. MII Interrupt Status and Misc. Control Register (MISR
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com6.6.1.2.6 100 Mb/s PCS Configuration and Status Register (PCSR)Th
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20156.6.1.2.7 RMII and Bypass Register (RBR)This register configures
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com6.6.1.2.9 PHY Control Register (PHYCR)This register provides cont
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Table 6-26. PHY Control Register (PHYCR), address 0x19h (continue
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comTable 6-27. 10Base-T Status/Control Register (10BTSCR), address 1
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20156.6.1.2.12 Energy Detect Control (EDCR)This register provides con
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com7 Application, Implementation, and LayoutNOTEInformation in the f
1:11:1RJ45NOTE: CENTER TAP IS PULLED TO VDD*PLACE CAPACITORS CLOSE TO THETRANSFORMER CENTER TAPSRD-RD+TD-TD+0.1 PF*0.1 PF*COMMON MODE CHOKESMAY BE REQ
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015SIGNAL TYPE PIN # DESCRIPTIONNAMETXD_0 I 3 MII TRANSMIT DATA: Tra
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comFigure 7-3. Crystal Oscillator CircuitTable 7-1. 25-MHz Oscillato
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015Figure 7-4. Power Feedback Connection7.2.1.3.1 Power Down and Int
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.comTable 7-4. Magnetics RequirementsPARAMETER TYP UNITS CONDITIONTur
Zo= F60¥ErGln F1.98 ×l2 × H + T0.8 × W + TpG Zo= F87¥Er+ (1.41)Glnl5.98H0.8 W + Tp DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 200
Zdiff= 2 × ZoF1 [email protected] Zdiff= 2 × Zo× F1 [email protected] DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20157.2.3 Application CurvesFigure 7-9. Sample 100 Mb/s Waveform (MLT
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com7.3 Layout7.3.1 Layout Guidelines7.3.1.1 PCB Layout Consideration
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20157.3.1.2 PCB Layer StackingTo meet signal integrity and performanc
PHYComponentOptional 0 : or BeadGround PinVdd PinPCB ViaVddPCBVia0.1 PFPlane Coupling ComponentPHY Component Note:Power/ Ground Planes Voided under
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 20158 Device and Documentation Support8.1 Documentation Support8.1.1
DP83848C,DP83848IDP83848VYB, DP83848YBSNLS266E –MAY 2007–REVISED MARCH 2015www.ti.com4.6 LED InterfaceSee Table 6-2 for LED Mode Selection.SIGNAL NAME
PACKAGE OPTION ADDENDUMwww.ti.com10-Sep-2014Addendum-Page 1PACKAGING INFORMATIONOrderable Device Status(1)Package Type PackageDrawingPins PackageQtyEc
PACKAGE OPTION ADDENDUMwww.ti.com10-Sep-2014Addendum-Page 2
IMPORTANT NOTICETexas Instruments Incorporated and its subsidiaries (TI) reserve the right to make corrections, enhancements, improvements and otherch
DP83848C,DP83848IDP83848VYB, DP83848YBwww.ti.comSNLS266E –MAY 2007–REVISED MARCH 2015SIGNAL NAME TYPE PIN # DESCRIPTIONPHYAD0 (COL) S, O, PU 42 PHY AD
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