Altera CPRI IP Core Manuale Utente

101 Innovation DriveSan Jose, CA 95134www.altera.com UG-01062-6.3User GuideCPRI MegaCore FunctionDocument last updated for Altera Complete Design Suit

1–4 Chapter 1: About This MegaCore FunctionCPRI IP Core FeaturesCPRI MegaCore Function December 2013 Altera CorporationUser Guide Supports the follow

6–2 Chapter 6: SignalsMAP Interface SignalsCPRI MegaCore Function December 2013 Altera CorporationUser Guidemap{23…0}_rx_readyInputRead-ready signal f

Chapter 6: Signals 6–3MAP Interface SignalsDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideMAP Transmitter SignalsThe behavior of man

6–4 Chapter 6: SignalsMAP Interface SignalsCPRI MegaCore Function December 2013 Altera CorporationUser GuideTable 6–2 lists the MAP transmitter interf

Chapter 6: Signals 6–5Auxiliary Interface SignalsDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideAuxiliary Interface SignalsTable 6–3

6–6 Chapter 6: SignalsAuxiliary Interface SignalsCPRI MegaCore Function December 2013 Altera CorporationUser GuideAUX Receiver SignalsTable 6–3 lists

Chapter 6: Signals 6–7Auxiliary Interface SignalsDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideAUX Transmitter SignalsTable 6–4 lis

6–8 Chapter 6: SignalsAuxiliary Interface SignalsCPRI MegaCore Function December 2013 Altera CorporationUser Guideaux_tx_mask_data[64:0]Input[64]cpri_

Chapter 6: Signals 6–9Auxiliary Interface SignalsDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideExtended Rx Status SignalsTable 6–5

6–10 Chapter 6: SignalsCPRI MII SignalsCPRI MegaCore Function December 2013 Altera CorporationUser GuideCPRI MII SignalsTable 6–6 and Table 6–7 list t

Chapter 6: Signals 6–11CPU Interface SignalsDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideCPU Interface Signals Table 6–8 lists the

Chapter 1: About This MegaCore Function 1–5Device Family SupportDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guide Supports synchronou

6–12 Chapter 6: SignalsPhysical Layer SignalsCPRI MegaCore Function December 2013 Altera CorporationUser GuidePhysical Layer SignalsTable 6–9 through

Chapter 6: Signals 6–13Physical Layer SignalsDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideLayer 1 Clock and Reset SignalsTable 6–1

6–14 Chapter 6: SignalsPhysical Layer SignalsCPRI MegaCore Function December 2013 Altera CorporationUser GuideIn Cyclone IV GX devices, channel reconf

Chapter 6: Signals 6–15Physical Layer SignalsDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideTransceiver SignalsTable 6–14 lists the

6–16 Chapter 6: SignalsPhysical Layer SignalsCPRI MegaCore Function December 2013 Altera CorporationUser Guidereconfig_fromgxb_s_rx[16:0] ([4:0] for C

Chapter 6: Signals 6–17Clock and Reset Interface SignalsDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideIn addition to customization

6–18 Chapter 6: SignalsClock and Reset Interface SignalsCPRI MegaCore Function December 2013 Altera CorporationUser Guidepll_clkoutOutputGenerated fro

December 2013 Altera Corporation CPRI MegaCore FunctionUser Guide7. Software InterfaceThe Altera CPRI IP core supports the following sets of registers

7–2 Chapter 7: Software InterfaceCPRI Protocol Interface RegistersCPRI MegaCore Function December 2013 Altera CorporationUser GuideCPRI Protocol Inter

Chapter 7: Software Interface 7–3CPRI Protocol Interface RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guideintr_hw_reset_en[1]

1–6 Chapter 1: About This MegaCore FunctionMegaCore VerificationCPRI MegaCore Function December 2013 Altera CorporationUser GuideMegaCore Verification

7–4 Chapter 7: Software InterfaceCPRI Protocol Interface RegistersCPRI MegaCore Function December 2013 Altera CorporationUser GuideTable 7–6. CPRI_CON

Chapter 7: Software Interface 7–5CPRI Protocol Interface RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guideoperation_mode[1] R

7–6 Chapter 7: Software InterfaceCPRI Protocol Interface RegistersCPRI MegaCore Function December 2013 Altera CorporationUser GuideTable 7–8. CPRI_RX_

Chapter 7: Software Interface 7–7CPRI Protocol Interface RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideFor additional info

7–8 Chapter 7: Software InterfaceCPRI Protocol Interface RegistersCPRI MegaCore Function December 2013 Altera CorporationUser Guideloop_mode[0] RWPhys

Chapter 7: Software Interface 7–9CPRI Protocol Interface RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guiderx_slow_cm_rate[10:

7–10 Chapter 7: Software InterfaceCPRI Protocol Interface RegistersCPRI MegaCore Function December 2013 Altera CorporationUser GuideTable 7–17. CPRI_R

Chapter 7: Software Interface 7–11CPRI Protocol Interface RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideTable 7–21. AUTO_R

7–12 Chapter 7: Software InterfaceCPRI Protocol Interface RegistersCPRI MegaCore Function December 2013 Altera CorporationUser Guidehw_reset_pending[1

Chapter 7: Software Interface 7–13CPRI Protocol Interface RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideTable 7–26. CPRI_T

Chapter 1: About This MegaCore Function 1–7Performance and Resource UtilizationDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideTable

7–14 Chapter 7: Software InterfaceCPRI Protocol Interface RegistersCPRI MegaCore Function December 2013 Altera CorporationUser Guidetx_bitslipboundary

Chapter 7: Software Interface 7–15MAP Interface and AUX Interface Configuration RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser G

7–16 Chapter 7: Software InterfaceMAP Interface and AUX Interface Configuration RegistersCPRI MegaCore Function December 2013 Altera CorporationUser G

Chapter 7: Software Interface 7–17MAP Interface and AUX Interface Configuration RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser G

7–18 Chapter 7: Software InterfaceMAP Interface and AUX Interface Configuration RegistersCPRI MegaCore Function December 2013 Altera CorporationUser G

Chapter 7: Software Interface 7–19MAP Interface and AUX Interface Configuration RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser G

7–20 Chapter 7: Software InterfaceMAP Interface and AUX Interface Configuration RegistersCPRI MegaCore Function December 2013 Altera CorporationUser G

Chapter 7: Software Interface 7–21MAP Interface and AUX Interface Configuration RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser G

7–22 Chapter 7: Software InterfaceEthernet RegistersCPRI MegaCore Function December 2013 Altera CorporationUser GuideEthernet RegistersThis section li

Chapter 7: Software Interface 7–23Ethernet RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guide1 If you turn off the Include MAC

1–8 Chapter 1: About This MegaCore FunctionRelease InformationCPRI MegaCore Function December 2013 Altera CorporationUser GuideRelease InformationTabl

7–24 Chapter 7: Software InterfaceEthernet RegistersCPRI MegaCore Function December 2013 Altera CorporationUser Guiderx_eop[1] ROIndicates that the ne

Chapter 7: Software Interface 7–25Ethernet RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guide mac_check[5] RW Enable check

7–26 Chapter 7: Software InterfaceEthernet RegistersCPRI MegaCore Function December 2013 Altera CorporationUser Guide tx_discard[1] WOIndicates that

Chapter 7: Software Interface 7–27HDLC RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideHDLC RegistersThis section lists the

7–28 Chapter 7: Software InterfaceHDLC RegistersCPRI MegaCore Function December 2013 Altera CorporationUser Guide0x32CHDLC_CONFIG_3HDLC Feature Config

Chapter 7: Software Interface 7–29HDLC RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guide intr_rx_ready_block_en[16] RWIndic

7–30 Chapter 7: Software InterfaceHDLC RegistersCPRI MegaCore Function December 2013 Altera CorporationUser Guide Table 7–74. HDLC_RX_DATA_WAIT—HDL

Chapter 7: Software Interface 7–31HDLC RegistersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideTable 7–79. HDLC_CONFIG_3—HDLC Featur

7–32 Chapter 7: Software InterfaceHDLC RegistersCPRI MegaCore Function December 2013 Altera CorporationUser Guide

December 2013 Altera Corporation CPRI MegaCore FunctionUser Guide8. CPRI IP Core Demonstration TestbenchThe Altera CPRI IP core includes a demonstrati

Chapter 1: About This MegaCore Function 1–9Installation and LicensingDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideAltera verifies

8–2 Chapter 8: CPRI IP Core Demonstration TestbenchCPRI MegaCore Function December 2013 Altera CorporationUser GuideTo generate a testbench that demon

Chapter 8: CPRI IP Core Demonstration Testbench 8–3Test SequenceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideTest SequenceThe non-

8–4 Chapter 8: CPRI IP Core Demonstration TestbenchReset, Frame Synchronization, and InitializationCPRI MegaCore Function December 2013 Altera Corpora

Chapter 8: CPRI IP Core Demonstration Testbench 8–5Running the TestbenchDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideWhen frame sy

8–6 Chapter 8: CPRI IP Core Demonstration TestbenchRunning the TestbenchCPRI MegaCore Function December 2013 Altera CorporationUser Guide

December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideA. Initialization SequenceThis appendix describes the most basic initialization seque

A–2 Appendix A: Initialization SequenceCPRI MegaCore Function December 2013 Altera CorporationUser Guide

December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideB. Implementing CPRI Link AutorateNegotiationThe CPRI IP core supports autorate negot

B–2 Appendix B: Implementing CPRI Link Autorate NegotiationDesign ImplementationCPRI MegaCore Function December 2013 Altera CorporationUser Guidef For

Appendix B: Implementing CPRI Link Autorate Negotiation B–3Configuring the CPRI IP Core for Autorate NegotiationDecember 2013 Altera Corporation CPRI

1–10 Chapter 1: About This MegaCore FunctionInstallation and LicensingCPRI MegaCore Function December 2013 Altera CorporationUser GuideOpenCore Plus E

B–4 Appendix B: Implementing CPRI Link Autorate NegotiationAutorate Negotiation From 9.8304 Gbps in Arria V GT VariationsCPRI MegaCore Function Decemb

Appendix B: Implementing CPRI Link Autorate Negotiation B–5Autorate Negotiation From 9.8304 Gbps in Arria V GT VariationsDecember 2013 Altera Corporat

B–6 Appendix B: Implementing CPRI Link Autorate NegotiationAutorate Negotiation From 9.8304 Gbps in Arria V GT VariationsCPRI MegaCore Function Decemb

December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideC. CPRI Autorate Negotiation TestbenchThe CPRI IP core supports an autorate negotiati

C–2 Appendix C: CPRI Autorate Negotiation TestbenchCPRI MegaCore Function December 2013 Altera CorporationUser GuideFigure C–1. CPRI IP Core Autorate

Appendix C: CPRI Autorate Negotiation Testbench C–3December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideFigure C–3. CPRI IP Core Default A

C–4 Appendix C: CPRI Autorate Negotiation TestbenchTest SequenceCPRI MegaCore Function December 2013 Altera CorporationUser GuideTest SequenceThe test

Appendix C: CPRI Autorate Negotiation Testbench C–5Running the Autorate Negotiation TestbenchDecember 2013 Altera Corporation CPRI MegaCore FunctionUs

C–6 Appendix C: CPRI Autorate Negotiation TestbenchRunning the Autorate Negotiation TestbenchCPRI MegaCore Function December 2013 Altera CorporationUs

Appendix C: CPRI Autorate Negotiation Testbench C–7Running the Autorate Negotiation TestbenchDecember 2013 Altera Corporation CPRI MegaCore FunctionUs

December 2013 Altera Corporation CPRI MegaCore FunctionUser Guide2. Getting StartedYou can customize the CPRI IP core to support a wide variety of app

C–8 Appendix C: CPRI Autorate Negotiation TestbenchRunning the Autorate Negotiation TestbenchCPRI MegaCore Function December 2013 Altera CorporationUs

Appendix C: CPRI Autorate Negotiation Testbench C–9Running the Autorate Negotiation TestbenchDecember 2013 Altera Corporation CPRI MegaCore FunctionUs

C–10 Appendix C: CPRI Autorate Negotiation TestbenchRunning the Autorate Negotiation TestbenchCPRI MegaCore Function December 2013 Altera CorporationU

December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideD. Advanced AxC Mapping ModesThe advanced AxC mapping modes are implemented when map_

D–2 Appendix D: Advanced AxC Mapping ModesAdvanced Mapping Mode Similarities and DifferencesCPRI MegaCore Function December 2013 Altera CorporationUse

Appendix D: Advanced AxC Mapping Modes D–3Advanced Mapping Mode Similarities and DifferencesDecember 2013 Altera Corporation CPRI MegaCore FunctionUse

D–4 Appendix D: Advanced AxC Mapping ModesAdvanced Mapping Mode Similarities and DifferencesCPRI MegaCore Function December 2013 Altera CorporationUse

Appendix D: Advanced AxC Mapping Modes D–5Advanced Mapping Mode Similarities and DifferencesDecember 2013 Altera Corporation CPRI MegaCore FunctionUse

D–6 Appendix D: Advanced AxC Mapping ModesAdvanced Mapping Mode Similarities and DifferencesCPRI MegaCore Function December 2013 Altera CorporationUse

December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideE. Delay Measurement and CalibrationThis appendix describes the delay measurement and

2–2 Chapter 2: Getting StartedMegaWizard Plug-In Manager Design FlowCPRI MegaCore Function December 2013 Altera CorporationUser GuideSpecifying Parame

E–2 Appendix E: Delay Measurement and CalibrationDelay RequirementsCPRI MegaCore Function December 2013 Altera CorporationUser GuideRequirement R-19 s

Appendix E: Delay Measurement and Calibration E–3Single-Hop Delay MeasurementDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guide1 The “R

E–4 Appendix E: Delay Measurement and CalibrationSingle-Hop Delay MeasurementCPRI MegaCore Function December 2013 Altera CorporationUser GuideThe Rx p

Appendix E: Delay Measurement and Calibration E–5Single-Hop Delay MeasurementDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideTable E–

E–6 Appendix E: Delay Measurement and CalibrationSingle-Hop Delay MeasurementCPRI MegaCore Function December 2013 Altera CorporationUser GuideExtended

Appendix E: Delay Measurement and Calibration E–7Single-Hop Delay MeasurementDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideRound-Tr

E–8 Appendix E: Delay Measurement and CalibrationSingle-Hop Delay MeasurementCPRI MegaCore Function December 2013 Altera CorporationUser GuideCalculat

Appendix E: Delay Measurement and Calibration E–9Single-Hop Delay MeasurementDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guide3. Read

E–10 Appendix E: Delay Measurement and CalibrationSingle-Hop Delay MeasurementCPRI MegaCore Function December 2013 Altera CorporationUser Guide6. Calc

Appendix E: Delay Measurement and Calibration E–11Single-Hop Delay MeasurementDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideRx Tran

Chapter 2: Getting Started 2–3MegaWizard Plug-In Manager Design FlowDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideGenerating your c

E–12 Appendix E: Delay Measurement and CalibrationSingle-Hop Delay MeasurementCPRI MegaCore Function December 2013 Altera CorporationUser GuideTable E

Appendix E: Delay Measurement and Calibration E–13Single-Hop Delay MeasurementDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideFigure

E–14 Appendix E: Delay Measurement and CalibrationSingle-Hop Delay MeasurementCPRI MegaCore Function December 2013 Altera CorporationUser GuideFixed T

Appendix E: Delay Measurement and Calibration E–15Single-Hop Delay MeasurementDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideThe CPR

E–16 Appendix E: Delay Measurement and CalibrationSingle-Hop Delay MeasurementCPRI MegaCore Function December 2013 Altera CorporationUser GuideTable E

Appendix E: Delay Measurement and Calibration E–17Single-Hop Delay MeasurementDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideArria V

E–18 Appendix E: Delay Measurement and CalibrationSingle-Hop Delay MeasurementCPRI MegaCore Function December 2013 Altera CorporationUser GuideVariabl

Appendix E: Delay Measurement and Calibration E–19Single-Hop Delay MeasurementDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideThe rx_

E–20 Appendix E: Delay Measurement and CalibrationSingle-Hop Delay MeasurementCPRI MegaCore Function December 2013 Altera CorporationUser Guidecycles

Appendix E: Delay Measurement and Calibration E–21Single-Hop Delay MeasurementDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideRound-T

© 2013 Altera Corporation. All rights reserved. ALTERA, ARRIA, CYCLONE, HARDCOPY, MAX, MEGACORE, NIOS, QUARTUS and STRATIX words and logosare trademar

2–4 Chapter 2: Getting StartedMegaWizard Plug-In Manager Design FlowCPRI MegaCore Function December 2013 Altera CorporationUser GuideSimulating the De

E–22 Appendix E: Delay Measurement and CalibrationSingle-Hop Delay MeasurementCPRI MegaCore Function December 2013 Altera CorporationUser Guiderx_bits

Appendix E: Delay Measurement and Calibration E–23Single-Hop Delay MeasurementDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideRound-T

E–24 Appendix E: Delay Measurement and CalibrationSingle-Hop Delay MeasurementCPRI MegaCore Function December 2013 Altera CorporationUser GuideRound-T

Appendix E: Delay Measurement and Calibration E–25Single-Hop Delay MeasurementDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideRound-T

E–26 Appendix E: Delay Measurement and CalibrationSingle-Hop Delay MeasurementCPRI MegaCore Function December 2013 Altera CorporationUser GuideTo calc

Appendix E: Delay Measurement and Calibration E–27Multi-Hop Delay MeasurementDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideMulti-Ho

E–28 Appendix E: Delay Measurement and CalibrationMulti-Hop Delay MeasurementCPRI MegaCore Function December 2013 Altera CorporationUser GuideTwo-Hop

December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideF. Integrating the CPRI IP Core TimingConstraints in the Full DesignWhen you generate

F–2 Appendix F: Integrating the CPRI IP Core Timing Constraints in the Full DesignCPRI MegaCore Function December 2013 Altera CorporationUser Guideset

Appendix F: Integrating the CPRI IP Core Timing Constraints in the Full Design F–3December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideAft

Chapter 2: Getting Started 2–5Integrating the CPRI IP Core in a DesignDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guide Include MAC b

F–4 Appendix F: Integrating the CPRI IP Core Timing Constraints in the Full DesignCPRI MegaCore Function December 2013 Altera CorporationUser Guide T

December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideG. Porting a CPRI IP Core from thePrevious Version of the SoftwareThis appendix descr

G–2 Appendix G: Porting a CPRI IP Core from the Previous Version of the SoftwareCPRI MegaCore Function December 2013 Altera CorporationUser Guide

December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideAdditional InformationThis chapter provides additional information about the document

Info–2 Additional InformationAdditional InformationDocument Revision HistoryCPRI MegaCore Function December 2013 Altera CorporationUser GuideFebruary

Additional InformationAdditional Information Info–3Document Revision HistoryDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideFebruary

Info–4 Additional InformationAdditional InformationDocument Revision HistoryCPRI MegaCore Function December 2013 Altera CorporationUser GuideMay 2012

Additional InformationAdditional Information Info–5Document Revision HistoryDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideNovember

Info–6 Additional InformationAdditional InformationHow to Contact AlteraCPRI MegaCore Function December 2013 Altera CorporationUser GuideHow to Contac

Additional InformationAdditional Information Info–7Typographic ConventionsDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideItalic Type

2–6 Chapter 2: Getting StartedCompiling and Programming the DeviceCPRI MegaCore Function December 2013 Altera CorporationUser GuideIn addition, before

Info–8 Additional InformationAdditional InformationTypographic ConventionsCPRI MegaCore Function December 2013 Altera CorporationUser Guide

Chapter 2: Getting Started 2–7Instantiating Multiple CPRI IP CoresDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guide You must ensure t

2–8 Chapter 2: Getting StartedInstantiating Multiple CPRI IP CoresCPRI MegaCore Function December 2013 Altera CorporationUser Guide

December 2013 Altera Corporation CPRI MegaCore FunctionUser Guide3. Parameter SettingsYou customize the CPRI IP core by specifying parameters in the C

3–2 Chapter 3: Parameter SettingsPhysical Layer ParametersCPRI MegaCore Function December 2013 Altera CorporationUser GuideOperation Mode ParameterThe

Chapter 3: Parameter Settings 3–3Physical Layer ParametersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideEnable Autorate Negotiation

3–4 Chapter 3: Parameter SettingsData Link Layer ParametersCPRI MegaCore Function December 2013 Altera CorporationUser GuideThe value you specify for

Chapter 3: Parameter Settings 3–5Application Layer ParametersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideInclude HDLC BlockTurn o

December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideContentsChapter 1. About This MegaCore FunctionGeneral Description . . . . . . . .

3–6 Chapter 3: Parameter SettingsApplication Layer ParametersCPRI MegaCore Function December 2013 Altera CorporationUser GuideNumber of Antenna-Carrie

Chapter 3: Parameter Settings 3–7Application Layer ParametersDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideIf you set the map_ac fi

3–8 Chapter 3: Parameter SettingsApplication Layer ParametersCPRI MegaCore Function December 2013 Altera CorporationUser Guide1 Use this option with c

December 2013 Altera Corporation CPRI MegaCore FunctionUser Guide4. Functional DescriptionThe CPRI protocol interface complies with the CPRI Specifica

4–2 Chapter 4: Functional DescriptionArchitecture OverviewCPRI MegaCore Function December 2013 Altera CorporationUser GuideArchitecture OverviewFigure

Chapter 4: Functional Description 4–3Clocking StructureDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideClocking StructureThe CPRI IP

4–4 Chapter 4: Functional DescriptionClocking StructureCPRI MegaCore Function December 2013 Altera CorporationUser GuidemapN_tx_clkfor N in 0..(N_MAP–

Chapter 4: Functional Description 4–5Clocking StructureDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideClock Diagrams for the CPRI IP

4–6 Chapter 4: Functional DescriptionClocking StructureCPRI MegaCore Function December 2013 Altera CorporationUser GuideClock Diagrams for Most CPRI I

Chapter 4: Functional Description 4–7Clocking StructureDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideFigure 4–3 shows the clock dia

iv ContentsContentsCPRI MegaCore Function December 2013 Altera CorporationUser GuideCPRI Communication Link Line Rates . . . . . . . . . . . . . . .

4–8 Chapter 4: Functional DescriptionClocking StructureCPRI MegaCore Function December 2013 Altera CorporationUser GuideFigure 4–4 shows the clocking

Chapter 4: Functional Description 4–9Clocking StructureDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideFigure 4–5 shows the clocking

4–10 Chapter 4: Functional DescriptionClocking StructureCPRI MegaCore Function December 2013 Altera CorporationUser GuideCPRI Communication Link Line

Chapter 4: Functional Description 4–11Reset RequirementsDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideWhen you generate a CPRI IP c

4–12 Chapter 4: Functional DescriptionMAP InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideYou must implement logic to ensure

Chapter 4: Functional Description 4–13MAP InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideThe CPRI IP core communicates with

4–14 Chapter 4: Functional DescriptionMAP InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideConfiguring your IP core with the

Chapter 4: Functional Description 4–15MAP InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideIn the basic mapping mode, AxC con

4–16 Chapter 4: Functional DescriptionMAP InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideYou set the oversampling factor to

Chapter 4: Functional Description 4–17MAP InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guideshown in Figure 4–8, the maximum n

ContentsContents vDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideReverse Loopback Through CPRI Rx and Tx Buffers . . . . . . . . .

4–18 Chapter 4: Functional DescriptionMAP InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideThis value must be no larger than

Chapter 4: Functional Description 4–19MAP InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideThe MAP receiver interface present

4–20 Chapter 4: Functional DescriptionMAP InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideFor descriptions of the signals in

Chapter 4: Functional Description 4–21MAP InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guideis not yet asserted, the mapN Rx b

4–22 Chapter 4: Functional DescriptionMAP InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser Guide1 To ensure IP core control over t

Chapter 4: Functional Description 4–23MAP InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guide1 In advanced mapping modes, the K

4–24 Chapter 4: Functional DescriptionMAP InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser Guide In the CPRI_MAP_OFFSET_RX regist

Chapter 4: Functional Description 4–25MAP InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideMAP transmitter communication on t

4–26 Chapter 4: Functional DescriptionMAP InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideFor descriptions of the signals in

Chapter 4: Functional Description 4–27MAP InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideMAP Transmitter in Synchronous Buf

vi ContentsContentsCPRI MegaCore Function December 2013 Altera CorporationUser GuideAppendix E. Delay Measurement and CalibrationDelay Measurement and

4–28 Chapter 4: Functional DescriptionMAP InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideAsserting the resynchronization si

Chapter 4: Functional Description 4–29MAP InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideOn the CPRI side of the mapN Tx bu

4–30 Chapter 4: Functional DescriptionAuxiliary InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideFigure 4–16 shows an example

Chapter 4: Functional Description 4–31Auxiliary InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideThe CPRI IP core implements

4–32 Chapter 4: Functional DescriptionAuxiliary InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideFigure 4–17 shows the relati

Chapter 4: Functional Description 4–33Auxiliary InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guide1228.8 Mbps Line Rate:Sequen

4–34 Chapter 4: Functional DescriptionAuxiliary InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideAUX Transmitter ModuleThe AU

Chapter 4: Functional Description 4–35Auxiliary InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideThe incoming data on the AUX

4–36 Chapter 4: Functional DescriptionAuxiliary InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideThe CPRI IP core passes the

Chapter 4: Functional Description 4–37Media Independent Interface to an External Ethernet BlockDecember 2013 Altera Corporation CPRI MegaCore Function

December 2013 Altera Corporation CPRI MegaCore FunctionUser Guide1. About This MegaCore FunctionThe Altera® CPRI MegaCore® function implements the Com

4–38 Chapter 4: Functional DescriptionMedia Independent Interface to an External Ethernet BlockCPRI MegaCore Function December 2013 Altera Corporation

Chapter 4: Functional Description 4–39Media Independent Interface to an External Ethernet BlockDecember 2013 Altera Corporation CPRI MegaCore Function

4–40 Chapter 4: Functional DescriptionMedia Independent Interface to an External Ethernet BlockCPRI MegaCore Function December 2013 Altera Corporation

Chapter 4: Functional Description 4–41CPU InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideFigure 4–24 shows an example timin

4–42 Chapter 4: Functional DescriptionCPU InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideEach of the three sources of input

Chapter 4: Functional Description 4–43CPU InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideTable 4–13 summarizes the relevant

4–44 Chapter 4: Functional DescriptionCPU InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser Guideaccess the full control word when

Chapter 4: Functional Description 4–45CPU InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guide4. If the CPRI line rate is greate

4–46 Chapter 4: Functional DescriptionCPU InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideControl Word OrderThe entries in t

Chapter 4: Functional Description 4–47CPU InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideAfter you update the control trans

1–2 Chapter 1: About This MegaCore FunctionGeneral DescriptionCPRI MegaCore Function December 2013 Altera CorporationUser GuideGeneral DescriptionThe

4–48 Chapter 4: Functional DescriptionCPU InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser GuideThe CPRI specification dictates th

Chapter 4: Functional Description 4–49CPU InterfaceDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideYou must write each frame’s data t

4–50 Chapter 4: Functional DescriptionCPU InterfaceCPRI MegaCore Function December 2013 Altera CorporationUser Guide Multicast filtering: if the leas

Chapter 4: Functional Description 4–51CPRI Protocol Interface Layer (Physical Layer)December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideI

4–52 Chapter 4: Functional DescriptionCPRI Protocol Interface Layer (Physical Layer)CPRI MegaCore Function December 2013 Altera CorporationUser GuideT

Chapter 4: Functional Description 4–53CPRI Protocol Interface Layer (Physical Layer)December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideE

4–54 Chapter 4: Functional DescriptionCPRI Protocol Interface Layer (Physical Layer)CPRI MegaCore Function December 2013 Altera CorporationUser Guide

Chapter 4: Functional Description 4–55CPRI Protocol Interface Layer (Physical Layer)December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideD

4–56 Chapter 4: Functional DescriptionCPRI Protocol Interface Layer (Physical Layer)CPRI MegaCore Function December 2013 Altera CorporationUser GuideA

Chapter 4: Functional Description 4–57CPRI Protocol Interface Layer (Physical Layer)December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideT

Chapter 1: About This MegaCore Function 1–3CPRI IP Core FeaturesDecember 2013 Altera Corporation CPRI MegaCore FunctionUser GuideFigure 1–2 shows the

4–58 Chapter 4: Functional DescriptionCPRI Protocol Interface Layer (Physical Layer)CPRI MegaCore Function December 2013 Altera CorporationUser GuideT

Chapter 4: Functional Description 4–59CPRI Protocol Interface Layer (Physical Layer)December 2013 Altera Corporation CPRI MegaCore FunctionUser GuideS

4–60 Chapter 4: Functional DescriptionCPRI Protocol Interface Layer (Physical Layer)CPRI MegaCore Function December 2013 Altera CorporationUser Guidef

December 2013 Altera Corporation CPRI MegaCore FunctionUser Guide5. Testing FeaturesThis chapter describes the following testing features of the CPRI

5–2 Chapter 5: Testing FeaturesPRBS Generation and ValidationCPRI MegaCore Function December 2013 Altera CorporationUser GuideBy default, only an REC

Chapter 5: Testing Features 5–3PRBS Generation and ValidationDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guide1 The MAP interface modu

5–4 Chapter 5: Testing FeaturesAchieving Link Synchronization Without an REC MasterCPRI MegaCore Function December 2013 Altera CorporationUser GuideTo

Chapter 5: Testing Features 5–5Achieving Link Synchronization Without an REC MasterDecember 2013 Altera Corporation CPRI MegaCore FunctionUser Guide4.

5–6 Chapter 5: Testing FeaturesAchieving Link Synchronization Without an REC MasterCPRI MegaCore Function December 2013 Altera CorporationUser Guide

December 2013 Altera Corporation CPRI MegaCore FunctionUser Guide6. SignalsThis chapter describes all the top-level signals of the Altera CPRI IP core